CN206680022U - A kind of non-stop formula unintended car movement protection device - Google Patents

Abstract

The utility model discloses a kind of non-stop formula unintended car movement protection device; the utility model links together open and close door process with UCMP; when elevator door is opened; one guard block being arranged on car is horizontal under the driving of door system to be pushed into the precalculated position for the retention device being arranged on well enclosure and keeps being blocked, and closing the guard block until elevator door can just reset.Once generation car accidental movement, the guard block are limited by the retention device, so as to; car can not be protected by movement before accidental movement occurs for car; without using stop control mode, beneficial to the useful life for extending car, ensure the safe to use of car.

Description

A kind of non-stop formula unintended car movement protection device

Technical field

It the utility model is related to a kind of non-stop formula unintended car movement protection device.

Background technology

Accidental movement of elevator cage is a kind of breakneck phenomenon.Passing in and out car people or thing easily because car is dashed forward So in the mobile gap for being sheared injury between gate metal framework and building door opening, such accident largely should with elevator With happening occasionally.

Prevent car accidental movement so elevator industry is paid close attention to and is directed to researching and solving from technical standpoint very early or make The measure that the movement stops.EN81-2/1:1998/A3 (European bid committee's elevator manufacture and installation safety standard) proposes UCMP Technical requirements, EN81-20/50:2014 have reappraised elevator risk, in EN81-2/1:Carried out on the basis of 1998/A3 Adjustment, apparent composition, synthesis, effect and the technical requirements of each important documents of UCMP.EN81-20/50 at present:2014 are converted into ISO international standards, (elevator manufactures and installation safety standard part 1 ISO8100-1：Passenger lift and cargo lift), (elevator manufactures and installation safety standard part 2 ISO8100-2：Elevator components design principle, calculating and inspection) equally use EN81-20/50:2014 standard contents, it is contemplated that will formally be issued in the end of the year 2017.

China standard GB/T 7588-2003《Elevator manufacture manufacture and safety standard》There is no UCMP requirement, with electricity Ladder needs safe to use, national bid committee repair in No. 23 bulletin of issue in 2015, issuing and implementation GB7588-2003 the 1st Change list, wherein the 9th chapter has increased UCMP technical requirements newly.State General Administration for Quality Supervision issued and implemented TSG on June 8th, 2016 T7007-2016《Elevator type approval test rule》, must be by providing (TSG T7007-2016 annexes, it is specified that UCMP is safety component T type approval test) is carried out.

Since then, UCMP is equipped with as mandatory technical requirements in lift product.

The UCMP of prior art is most to use stop formula technical scheme, is generally divided into three major types.One kind is band redundancy-type system Dynamic device, such as meet the permanent magnetic synchronous traction machine brake of GB7588-2003 standards；Second is stop in hoist ropes (such as traction steel Cord) on rope brake；3rd class is that car stop is in orbit, such as rail clamping device.

Above-mentioned technical proposal is mainly characterized by：1. there is the car that special stop part relies on the movement of brake force stop (such as stop traction sheave, stop hoist ropes, or, car stop is in orbit)；Needed when 2. car is moved by special Detection arrangement monitors movement occur and control stop component actuation to make the mobile stopping of car.

Prior art UCMP workflow：

Car accidental movement → detection subsystem action → stop subsystem action → stop car；

It can be seen that the UCMP of prior art is the system of " making to move stopping ", there are the technical attributes of " post processing ", and it is this Attribute representative car and has begun to accidental movement, can bring certain security threat and psychological shade to car user, together When, can also there is certain damage to car, be unfavorable for security protection with safeguarding.

Utility model content

The utility model is in order to solve the above problems, it is proposed that a kind of non-stop formula unintended car movement protection device, profit Driven with a sliding latch device when car stops by the door opening and closing system part of elevator itself, lock and be arranged on well enclosure Or between the upper and lower retention device on trapped orbit, and this locking is kept during elevator normally stops, until elevator door The guard block is closed to be resetted by driving.In this way, just being taken before may be implemented in the car accidental movement that may occur prevents Measure, it is ensured that car accidental movement will not occur.It can be protected before accidental movement occurs for car, without using stop control Mode processed, beneficial to the useful life for extending car, ensure the safe to use of car.

The purpose of this utility model is to provide a kind of non-stop formula unintended car movement protection device, the drive of the protection device Together with the gate operator interconnection of elevator, the driving part on the door opening and closing system of elevator fills with this technology for dynamic, positioning The part connection put, drives the moving component of the latter to precalculated position.The type of drive is divided into as is illustrated schematically again Several mode.

In order to cause those skilled in the art to be more apparent from this programme, following explanation of nouns is carried out：

Car：Elevator components (the EN81-1 of transporting passengers or other load:1998, GB7588-2003 the 3rd chapters define 3.5)；

Car accidental movement：(term is explained sees No. 1 amendment of GB7588-2003 to unintended car movement 3.18 national bid committees 2015 the 23rd announce)：

In onlocking zone and under door opening state, car leaves the movement of stop without instruction, not comprising caused by loading and unloading It is mobile.

(Unintended car movement protection system are referred to as unintended car movement protection device UCMP) (see No. 1 amendment 9.11 of GB7588-2003)：Prevent car accidental movement or make the mobile device stopped.

To achieve these goals, the utility model adopts the following technical scheme that：

A kind of non-stop formula unintended car movement protection device, including be arranged at car upper fixing element and be set in fixture Interior slider latch, the slider latch can move back and forth with the folding of car door along the bearing of trend of fixture, When car door is opened, the outside Slideslip of slider latch, it is fastened in the block piece being arranged in hoistway wall；

Block piece includes upper stop and lower stop, has space between the upper stop and lower stop, to accommodate slide lock Stop member；

Slider latch is locked between stop and lower stop so that car forms caught state with hoistway wall, relatively Position is constant.

Preferably, the slider latch drives it to follow car door to move by transmission mechanism.

Further, the transmission mechanism is direct-push drive mechanism, and described transmission mechanism one end is connected with railway carriage or compartment door, another End drives slider latch motion.Direct-push drive mechanism has the advantages of being swift in response, and can be moved simultaneously with railway carriage or compartment door, Ensure the promptness that engaging stops.

As a preferred embodiment, the transmission mechanism is connecting rod, the connecting rod is arranged on the door of railway carriage or compartment, by railway carriage or compartment door Drive mechanism drives it to follow railway carriage or compartment door motion.

Certainly, it is straight can be revised as other by those skilled in the art in operation principle of the present utility model for transmission mechanism Transmission type structure is pushed away, such as piston type promotes other modes, and these belong to simply replace, and ought to belong to guarantor of the present utility model Protect scope.

Further, the transmission mechanism is differential type drive mechanism.The advantages of differential type drive mechanism, has for transmission Certain resiliency, preferable Consumer's Experience can be brought, stability and gentle property when increase engaging stops, sedan-chair will not be caused The big vibrations in railway carriage or compartment.

As a preferred embodiment, the transmission mechanism is differential connection rod set, one end of the differential connection rod set It is arranged on the door of railway carriage or compartment, drives it to follow railway carriage or compartment door motion by railway carriage or compartment door drive mechanism, the other end is connected to slide lock by more piece connecting rod In stop member.

Certainly, it is poor can be revised as other by those skilled in the art in operation principle of the present utility model for transmission mechanism Dynamic formula drive mechanism, such as worm-drive, rack other modes, these belong to simply replace, and ought to belong to the utility model Protection domain.

Further, the transmission mechanism is flexible transmission structure.There is flexible transmission structure increase to engage when stopping The advantages of stability and gentle property, it will not operationally cause the big vibrations of car, meanwhile, flexible drive mechanism can be passed through Cooperation complete the operation that turns to or turn back etc., ensure the accuracy resetted.

As a preferred embodiment, the transmission mechanism includes driving-chain and flexible member, the flexible member Slider latch is arranged at towards car center, ensures to pull driving-chain when flexible member is in compressive state, to maintain Slider latch is in non-action position, when car door is opened, is driven chain relaxation, and flexible member is released, and promotes slide lock Stop member is moved to operating position.

Above-mentioned operating position is that slider latch is sticked in block piece, plays the protective effect for preventing car accidental movement State.

Certainly, transmission mechanism can be revised as it by those skilled in the art in operation principle of the present utility model His mode, such as transmission rope, belt, gear other modes, these belong to simply replace, and ought to belong to guarantor of the present utility model Protect scope.

Meanwhile those skilled in the art can increase the element of the offers such as slip, gear steering in these embodiments, this A little changes belong to the simple increase and decrease or replacement made with reference to the common knowledge can of those skilled in the art.

The block piece has multigroup, is set in turn in corresponding to every first floor layer in hoistway wall.

Certainly, the block piece can also be arranged on other structures rigidly connected with hoistway wall such as track.

Further, every group of block piece includes upper stop and lower stop, has space between the upper stop and lower stop, To accommodate slider latch.

Preferably, the slider latch has certain gap with upper stop and lower stop in vertical direction, to disappear Except car because carrying change causes the change of level position.

The gap can be carried out according to factors such as the weight of different elevators, maximal workload, the bearing capacity of block piece, materials Different regulations and change.

Preferably, the slider latch is provided with lockable mechanism, the lockable mechanism in railway carriage or compartment door opening stage, all the time by It is maintained in the predetermined position of the upper stop and lower stop, can locks within stop and lower stop.

As a kind of preferred scheme, the lockable mechanism is slip tapered end.Those skilled in the art can be new in this practicality Transmission mechanism can be revised as to other modes in the operation principle of type, such as pass Draw bar lock other modes, these belong to letter It is single to replace, the scope of protection of the utility model ought to be belonged to.

Further, electric switch is provided with the block piece or car, when slider latch exits block piece completely Limitation when, elevator again normally lifting running.

Such design is not only able to accurately detect slider latch present position, ensures the normal operation of elevator Security, block piece and lift car are hardly damaged, meanwhile, required cost is small, easy for installation, for lift car and elevator The transformation of the borehole wall is small.

Certainly, under the enlightenment of operation principle of the present utility model, electric switch is replaced with into other sensors, such as imaged The equipment such as head, range sensor, above-mentioned work can be also completed, and it is consistent with the effect of such scheme, belong to art technology The simple replacement that personnel are readily apparent that, ought to belong to the scope of protection of the utility model.

As a kind of preferred scheme, the slider latch is slide link, and the fixture is slidably supported, the cunning Dynamic connecting rod is flexibly connected with slidably supported.

Further, the fixture is the closing space with an opening, to accommodate slider latch, and ensures to slide Lock piece is not fallen off in its internal activities.

As a kind of preferred scheme, the fixture is trench structure part, its side slotted, for making slider latch Connect transmission mechanism.

Those skilled in the art completely such as can make car top this fixture and car being made of one structure Structure with a groove etc., but this kind of change belongs to pay the simple alternative of creative work, and its Purpose and effect with it is of the present utility model consistent, the scope of protection of the utility model ought to be belonged to.

Further, all elements in the non-stop formula unintended car movement protection device are two groups, are symmetrical arranged In car both sides, using the central axis of car door as symmetry axis.

Such stability and balance for being designed to ensure that protection device ensures car when elevator is run and when stopping Property.Certainly, calculated, will be protected according to parameters such as car weight, maximum bearing load amount, the bearing capacity of each part and rigidity Device is only arranged to one end and sets or be individually present, and in theory and feasible, the size of its each part, material etc. are with number Measure the change with set location and change, be readily apparent that for those skilled in the art, creative work need not be paid, The scope of protection of the utility model ought to be belonged to.

When car moves to the predetermined area, performs opening door operation, slider latch is as door opening action is to hoistway wall Direction is slided, and is caught among the block piece of borehole wall correspondence position setting, in whole elevator door opening stage, slider latch is all the time It is maintained in the predetermined position of block piece；When car performs door-closing operation, slider latch synchronization action is driven, is exited The limitation of block piece, car continue executing with the lifting action for leaving stop.

Once generation car accidental movement, car move within the allowable clearance that block piece is set.

A kind of elevator device, including above-mentioned protection device.

Compared with prior art, the beneficial effects of the utility model are：

(1) non-stop formula protection：The utility model meets the requirement of UCMP relevant laws and regulations, it is not necessary to stop system, therefore do not deposit In braking procedure, periodic maintenance, the brake clearance adjustment of brake material are not produced, or produce pernicious gas environment because stop rubs Influence；

(2) there is advance preventing：The utility model is associated with car switch door, as long as door acts, the locking dress Protection act can be exercised by putting, rather than the ability stop car when car accidental movement, belong to preventive protection；

(3) it is simple in construction, it is only necessary to the rigidity and strength check of structure to be carried out, without considering the response time (detection of system Response time, brake action response time etc.), brake force (complicated frictional force) etc. calculate, without considering other synthesis；

(4) wide adaptation range：It is unrelated with driving main frame pattern, hoist ropes pattern.Driving main frame has different brakes, touched Originating party formula, the configuration parameter for all having influence on UCMP are required to carry out type approval test；Hoist ropes has different materials, shape, diameter, Any change of use range that rope brake is had influence on as UCMP needs to carry out corresponding type approval test.Therefore this technology is described Feature is consistent especially suitable for installing UCMP additional with elevator with current regulation；

(5) certain interval is reserved between slider latch and block piece, for offsetting caused by car load changes Leveling error.And use and extra-stress easily is formed to the part of its stop subsystem under this operating mode of the UCMP of stop mode, very To being difficult to reset；

(6) without the extra monitoring carried out to car accidental movement, detection means cost and its corresponding pipe are eliminated Manage maintenance cost；

(7) driving source is used as using driving member, door strap, door-plate of door-opened elevator system such as door lifter etc., ensure that The synchronism of action response, reduce separately mechanical interference caused by set of system possibility.

Brief description of the drawings

The Figure of description for forming the part of the application is used for providing further understanding of the present application, and the application's shows Meaning property embodiment and its illustrate be used for explain the application, do not form the improper restriction to the application.

Fig. 1 (a), Fig. 1 (b) are operation principle schematic diagrams of the present utility model when car door is closed and door is opened；

Fig. 2 (a), Fig. 2 (b) are the front view and vertical view of car accidental conditions of the present utility model (when door is closed) Figure；

Fig. 3 (a), Fig. 3 (b) are the front views and vertical view of the present utility model for preventing accidental movement operating mode (when door is opened) Figure；

Fig. 4 (a)-Fig. 4 (d) is that the operation principle of the utility model another kind embodiment when car door is closed and door is opened is shown It is intended to；

Fig. 5 (a)-Fig. 5 (e) is the operation principle schematic diagram of the utility model another kind embodiment；

Wherein：1st, hoistway wall, 2, upper stop, 3, lower stop, 4, transmission mechanism, 4-1, timing belt, 5, drive link, 6, Car, 7, horizontally sliding door, 8, slidably supported, 9, slide tapered end, 10, electric switch, 11, clearance-adjustable, 12, timing belt it is solid Determine device, 13, timing belt motor, 14, driving slide locking head connecting rod, 15, differential connection rod set, 16, compression spring, 17, transmission Restrict (chain).

Embodiment：

The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.

It is noted that described further below is all exemplary, it is intended to provides further instruction to the application.It is unless another Indicate, all technologies used herein and scientific terminology are with usual with the application person of an ordinary skill in the technical field The identical meanings of understanding.

It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.

Modem elevator typically uses horizontal automatically-controlled door door-opening mode, and the open and close process of elevator door is exactly that personnel attempt Enter the process of lift car, once this is also exactly the node that personal injury accident easily occurs for car accidental movement.Therefore, if It can be linked together using described open and close door process with UCMP, when elevator door is opened, a guarantor being arranged on car Part level under the driving of door system is protected to be pushed into the precalculated position for the retention device being arranged on well enclosure and keep quilt Stop, closing the guard block until elevator door can just reset.Once generation car accidental movement, the guard block is by institute Retention device limitation is stated, so as to which car can not be moved.In this way, it can just not prevent the accidental movement of car

The utility model is based on above-mentioned principle, devises a kind of non-stop formula unintended car movement protection device.Illustrate such as Under：

The preventive protection of car accidental movement is realized by one group of locking system.

The locking system includes drives subsystem, locking subsystem and electrical validation subsystem (electrical validation subsystem It is unrelated with the utility model technology, therefore outline)；The drives subsystem exports power by door lifter, passes through timing belt or machinery Lever or rope, the device of wheel composition, triggering locking subsystem lock part (tapered end) action；The locking subsystem includes setting Put and lock part and the retention device (being made up of upper and lower stop member) being arranged on well enclosure precalculated position on car.

Action process：The drives subsystem driving locking subsystem locks component actuation, makes it along the car side of movement To normal direction act and be locked within the upper and lower stop member, the upper and lower stop member be fixed on well enclosure or With on its rigidly connected other structures such as track.In whole elevator door opening stage, the part of locking is maintained at all the time In the predetermined position of the upper and lower stop member.Once generation car accidental movement, car is between the permission of setting is moved Within gap (can by adjust the distance between described upper and lower stop member adjust this gap), you can by it is described lock part and The locking subsystem that the upper and lower stop member is formed is stopped.The part of locking is synchronous with switch gate action, after closing (door of modem elevator is gate driving layer door, has mechanical chain, therefore gate is closed driving layer door and is also switched off), it is described to lock portion Part exits the limitation of the upper and lower stop member, elevator can normal operation (action that part is locked in checking uses safety contact Electric switch is realized).

In a kind of typical embodiment of the application, as shown in Fig. 1 (a), Fig. 1 (b), including one group of locking system, institute Stating locking system includes the drives subsystem, the locking subsystem and electrical validation subsystem (the electrical validation subsystem System is unrelated with the utility model technology, outlines).Such as Fig. 1 (a)), the drives subsystem includes being arranged on the drive above car 6 Motivation structure 4, drive mechanism provide power by car door lifter.Drive mechanism 4 is rigidly connected with drive link 5, drive link 5 One end is connected on gate 7 (or on gate hanging plate), and the other end is rigidly connected with sliding tapered end 9, is opened in this way, realizing gate 7 Close and acted with the level of synchronization for sliding tapered end 9.Under elevator normal condition, gate 7 is driven by door opening machine for elevator to be completed to open and closes Close.Specific action process is set forth below：

After gate 7 is closed, the pass of electric safety device checking gate (unrelated with this patent, it is illustrated that not mark) Close, and signal is sent to the control system of elevator, control system instruction elevator is run up and down.Now, drive mechanism 4, driving connect Bar 5 is maintained at shutdown position, drives and slides tapered end 9 in non-action status；

When gate 7 is opened, drive mechanism 4, drive link 5 drive slip tapered end 9 to act, and slip tapered end 9, which horizontally enters into, to be set Put in the retention device (above stopping 2, lower stop 3) on elevator shaft wall, the retention device is installed in the flat of each stop Layer position, it is symmetrically arranged.Slide tapered end 9 and keep certain gap with the upper vertical direction for stopping 2, lower stop 3, for disappearing Except car because carrying change causes the change of level position；

When car accidental movement occurs, car moves up or down since 0 speed, in very short distance (on described, Gap between lower stop and slip tapered end) it is i.e. (descending by slip tapered end 9 and 2 (up direction movements) of upper stop or lower stop 3 Direction move) form locking subsystem prevented.Because the very short (gap between upper and lower stop and slip tapered end of this distance For：200mm (onlocking zone)/2- tapered ends diameter thickness/2, about 60mm--75mm.In formula, onlocking zone≤200mm), this mistake Journey is because of acceleration very little, therefore car moving process does not form impact to retention device.

UCMP functions are realized using this scheme, it is not necessary to consider that what the stop formula UCMP of following prior art must take into consideration asks Topic：The distance that car is moved before 1. detection subsystem monitors car accidental movement；2. car caused by traction iope slippage Displacement；3. the car displacement in during detecting the subsystem responses time；4. stopping device moves in deboost phase car Dynamic distance.It need to only consider between tapered end 9 and 2 (up direction movements) of upper stop or lower stop 3 (down direction movements) composition Gap.

As described above, among the present embodiment, it is upper to stop that 2 vertical ranges with stopping 3 are onlocking zone (≤200mm), it is sliding The vertical direction height (its structure should determine according to car payload ratings through intensity, Stiffness evaluation) of dynamic tapered end, with 1000Kg sedan-chairs Railway carriage or compartment payload ratings calculate, should >=50mm, therefore (200-50)/2=75 (mm).

No. 1 amendment 9.11.5 of GB7588-2003 regulations, " device should in lower column distance stop car：A) with examining The distance for measuring the stop of car accidental movement is not more than 1.20m；... d) between car sill and layer door lintel or layer door Vertical range between sill and car lintel is not less than 1.0mm ".This embodiment scheme is much higher than wanting for national Specification Ask.

As shown in Fig. 2 (a), Fig. 2 (b) and Fig. 3 (a), Fig. 3 (b), as second of exemplary embodiments of the present utility model, Transmission mechanism uses direct-push.Including one group of locking system, locking system includes drives subsystem, locking subsystem and electrically tested Demonstrate,prove subsystem (electrical validation subsystem is unrelated with the utility model technology, outlines).Drives subsystem includes being arranged on car 6 Drive mechanism 4, the drive mechanism in face provide power by car door lifter.Drive mechanism 4 is rigidly connected with drive link 5, driving One end of connecting rod 5 is connected on gate 7 (or on gate hanging plate), and the other end is rigidly connected with sliding tapered end 9, in this way, realizing Gate 7 switchs to be acted with the level of synchronization for sliding tapered end 9.Under elevator normal condition, gate 7 is opened by door opening machine for elevator driving completion Open and close.Specific action process is set forth below：

After gate 7 is closed, electric safety device verifies the closing of gate, and sends signal to the control system of elevator, Control system instruction elevator is run up and down.Now, drive mechanism 4, drive link 5 are maintained at shutdown position, drive and slide tapered end 9 In non-action status；

When gate 7 is opened, drive mechanism 4, drive link 5 drive slip tapered end 9 to act, and slip tapered end 9, which horizontally enters into, to be set Put in the retention device (above stopping 2, lower stop 3) on elevator shaft wall, the retention device is installed in the flat of each stop Layer position, it is symmetrically arranged.Slide tapered end 9 and keep certain gap with the upper vertical direction for stopping 2, lower stop 3, for disappearing Except car because carrying change causes the change of level position；

The door lifter of car 6 drives driving gate link motion by timing belt 4-1.When car accidental movement occurs, sedan-chair Railway carriage or compartment is moved up or down since 0 speed, and (gap between the upper and lower stop and slip tapered end) is quilt in very short distance Tapered end 9 is slided to be hindered with 2 (up direction movements) of upper stop or the lower locking subsystem for stopping that 3 (down direction movements) are formed Only.Because this distance is very short, this process is because of acceleration very little, therefore car moving process does not form impact to retention device.

As shown in Fig. 4 (a)-Fig. 4 (d), another exemplary embodiment of the present utility model, gate connecting rod 5 and sedan-chair are driven (symmetrical) connection of door 7, under the driving of door lifter, driving gate connecting rod 5 drives the open and close car door of gate 7.Meanwhile drive Dynamic gate connecting rod 5 slides locking head connecting rod 6 with driving and is connected, and driving is slided locking head connecting rod 6 and passed through on hinge and differential connection rod set 15 The elongated hole of setting is connected with differential connection rod set 15.When gate is closed, driving slide locking head connecting rod 6 drive differential connection rod set 15, Slide tapered end 9 to move horizontally to car center position and synchronous with gate, after gate 7 completely closes, slide tapered end 9 and reach non-move Make position, at this moment, elevator being capable of normal operation；

Elevator arrives at a station after parking, and driving gate connecting rod 5 drives gate 7 to open, meanwhile, it is synchronous that locking head connecting rod 6 is slided in driving Moved to enabling direction, driving is slided locking head connecting rod 6 and is connected by the elongated hole set on hinge and 15 with differential connection rod set 15, poor Dynamic connection rod set 15 drives slip tapered end 9 to be moved horizontally to the direction for leaving car center, and gate 7 is opened completely, slides tapered end 9 and arrives Up to operating position (touching safety switch), at this moment, protection car accidental movement device is in operating position；

Slidably supported 8 be that trench structure part is fixed on car, slides the level in slidably supported 8 of tapered end 9 and slides and protect Card does not take off groove, and slidably supported 8 sides slotted, connection rod set 15 is with sliding tapered end 9 using pivot pin be hinged (relative rotation, but not phase To movement).

When car accidental movement occurs, sliding tapered end 9 and the upper and lower locking subsystem for stopping that (2,3) are formed can hinder Keep off the accidental movement of car and be maintained at blocked state.

In order to realize that the accurate of mechanism is proposed with flexible member such as extension spring or compression with elimination gap, the present embodiment in place Spring.

Those skilled in the art can strategically cook up the side of arrangement pointedly personalizedly as described above Case.

As shown in Fig. 5 (a)-Fig. 5 (e), another embodiment of the present utility model, is driven using flexible (rope)

Driving gate connecting rod 5 is connected (symmetrical) with gate 7, and under the driving of door lifter, driving gate connecting rod 5 drives The open and close car door of gate 7.Meanwhile gate connecting rod 5 is driven to be connected with transmission rope 17 (being not limited to steel wire rope).Transmission rope 17 passes through Pulley I, pulley II, pulley III, pulley IV steering or turn back with slide tapered end 9 be connected.When gate is closed, gate is driven Connecting rod 5 pulls transmission rope 17, the connection of transmission rope 17 to slide tapered end 9 and moved horizontally to car center position, and compression spring 16 is pressed Contracting.After gate 7 completely closes, slide tapered end 9 and reach non-action position, at this moment, compression spring 16 keeps compressive state (to set one Individual safeties, ensure that it will not surprisingly be ejected), elevator normal operation；

Elevator arrives at a station after parking, and driving gate connecting rod 5 drives gate 7 to open, and at this moment, transmission rope 17 relaxes, compression spring 16 releases, driving are slided tapered end 9 and moved horizontally to the direction for leaving car center, and gate 7 is opened completely, slide tapered end 9 and reach Operating position (touches safety switch), and at this moment, protection car accidental movement device is in operating position；

Transmission rope 17 sets adjustable apparatus at the both ends of driving gate connecting rod 5 and slip tapered end 9, can by regulation Ensure that lock position, the reset position of the rate of tension of transmission rope 17 and the slip tapered end 9 of its connection are accurate.

Slidably supported 8 be that trench structure part is fixed on car, slides the level in slidably supported 8 of tapered end 9 and slides and protect Card does not take off groove, and one end of transmission rope 17 is connected with sliding one end of tapered end 9, and 9 are moved to dynamic with the release of compression spring 16 Make position (prevention car accidental movement state), (elevator is normally transported to non-action status movement with the pulling of transmission rope 17 Row state)；

Assembly pulley (1,2,3,4) is fixed on the predetermined position of car, and relative motion is kept with gate 7, slip tapered end 9；

When car accidental movement occurs, sliding tapered end 9 and the upper and lower locking subsystem for stopping that (2,3) are formed can hinder Keep off the accidental movement of car and be maintained at blocked state.

It can be seen that from above-mentioned several embodiments and no matter use which kind of embodiment, main feature of the present utility model It is as follows：

A) non-stop formula car accidental movement protection：The laws and regulations requirement of car accidental movement is real by described locking system It is existing, it is a kind of non-brake type accidental movement of elevator cage guard method and device；

B) unintended car movement protection device utilizes the power of elevator itself door lifter；

C) drives subsystem of unintended car movement protection device is passed using the timing belt in example, connecting rod, transmission rope etc. Dynamic method is realized.Importantly, no matter using which kind of method, retention device (slip tapered end) is opened with gate, closing is kept It is synchronous；

B) locking subsystem is made up of the upper and lower stop (part) being arranged on hoistway or elevator rail, according to car Level position can adjust up and down；

D) there is certain gap between locking system and the retention device (upper and lower stop), so as to for offset by In leveling error caused by car load change；

E) without the monitoring carried out to car accidental movement, (elevator parking is opened the door, and locking system enters car accident Mobile guard mode, detected completely without to car accidental movement).

And above-mentioned all embodiments all have advantages below：

A) non-stop formula UCMP：The laws and regulations requirement of accidental movement of elevator cage protection realized by described locking system, Stop system is not needed, therefore braking procedure is not present, does not produce periodic maintenance, the brake clearance adjustment of brake material, or because of system Stop friction and produce the influence of pernicious gas environment；

B) it is preventative：The locking system is associated with car switch door, as long as door acts, the locking system is feasible Make protection act, rather than the ability stop car when car accidental movement, belong to preventive protection.

C) it is simple in construction, it is only necessary to the rigidity and strength check of structure to be carried out, without considering that the response time of system, (detection rang Between seasonable, brake action response time etc.), brake force (complicated frictional force) etc. calculate, without considering the synthesis of subsystem.

D) wide adaptation range：It is unrelated with driving main frame pattern, hoist ropes pattern.Driving main frame has different brakes, touched Originating party formula, the configuration parameter for all having influence on UCMP are required to carry out type approval test；Hoist ropes has different materials, shape, diameter, Any change of use range that rope brake is had influence on as UCMP needs to carry out corresponding type approval test.Therefore this technology is described Feature with elevator especially suitable for installing UCMP (in terms of existing regulation, being required to install UCMP additional with elevator) additional.

E) certain interval is reserved between the locking system and the retention device (upper and lower block), for offsetting due to sedan-chair Leveling error caused by the load change of railway carriage or compartment.And use under this operating mode of the UCMP of stop mode easily to the part of its stop subsystem Extra-stress is formed, or even is difficult to reset.

F) monitoring without being carried out to car accidental movement.The enabling because elevator once stops, the locking system be into Entered the guard mode of car accidental movement, detected completely without to car accidental movement, eliminate detection means into Sheet and its corresponding management service cost；

G) drives subsystem is used as using driving member, door strap, door-plate of door-opened elevator system such as door lifter etc., ensured The synchronism of action response, reduce separately set a set of drive system may caused by mechanical interference.

The preferred embodiment of the application is the foregoing is only, is not limited to the application, for the skill of this area For art personnel, the application can have various modifications and variations.It is all within spirit herein and principle, made any repair Change, equivalent substitution, improvement etc., should be included within the protection domain of the application.

It is not new to this practicality although above-mentioned specific embodiment of the present utility model is described with reference to accompanying drawing The limitation of type protection domain, one of ordinary skill in the art should be understood that on the basis of the technical solution of the utility model, ability Field technique personnel need not pay the various modifications that creative work can make or deformation still in protection model of the present utility model Within enclosing.

Claims (10)

1. a kind of non-stop formula unintended car movement protection device, it is characterized in that：Including being arranged at car upper fixing element and suit In the slider latch in fixture, the slider latch can be past along the bearing of trend of fixture with the folding of car door Multiple motion, when car door is opened, the outside Slideslip of slider latch, is fastened on the block piece being arranged in hoistway wall It is interior；

Block piece includes upper stop and lower stop, has space between the upper stop and lower stop, to accommodate slider latch；

Slider latch is locked between stop and lower stop so that car forms caught state, relative position with hoistway wall It is constant.

2. a kind of non-stop formula unintended car movement protection device as claimed in claim 1, it is characterized in that：The sliding latch Part drives it to follow car door to move by transmission mechanism.

3. a kind of non-stop formula unintended car movement protection device as claimed in claim 2, it is characterized in that：The transmission mechanism For direct-push drive mechanism, described transmission mechanism one end is connected with railway carriage or compartment door, and the other end drives slider latch motion；

Or the transmission mechanism is connecting rod, the connecting rod is arranged on the door of railway carriage or compartment, drives it to follow railway carriage or compartment door fortune by railway carriage or compartment door drive mechanism It is dynamic.

4. a kind of non-stop formula unintended car movement protection device as claimed in claim 2, it is characterized in that：The transmission mechanism For differential type drive mechanism；Or the transmission mechanism is differential connection rod set, one end of the differential connection rod set is arranged on the door of railway carriage or compartment, It is driven to follow railway carriage or compartment door motion by railway carriage or compartment door drive mechanism, the other end is connected on slider latch by more piece connecting rod.

5. a kind of non-stop formula unintended car movement protection device as claimed in claim 2, it is characterized in that：The transmission mechanism For flexible transmission structure；Or

The transmission mechanism includes driving-chain and flexible member, and the flexible member is arranged at slider latch towards car center Position, ensure to pull driving-chain when flexible member is in compressive state, to maintain slider latch to be in non-action position, work as sedan-chair When railway carriage or compartment door is opened, chain relaxation is driven, flexible member is released, and promotes slider latch to be moved to operating position.

6. a kind of non-stop formula unintended car movement protection device as claimed in claim 1, it is characterized in that：

The block piece has multigroup, is set in turn in corresponding to every first floor layer in hoistway wall；

Every group of block piece includes upper stop and lower stop, has space between the upper stop and lower stop, to accommodate slide lock Stop member.

7. a kind of non-stop formula unintended car movement protection device as claimed in claim 6, it is characterized in that：The sliding latch Part has certain gap with upper stop and lower stop in vertical direction, to eliminate car because carrying change causes level position Change；

The gap is adjusted and changed according to the difference of the weight of different elevators, maximal workload, the bearing capacity of block piece, material Become.

8. a kind of non-stop formula unintended car movement protection device as claimed in claim 2, it is characterized in that：The sliding latch Part is provided with lockable mechanism, and the lockable mechanism is maintained at the upper stop and lower stop in railway carriage or compartment door opening stage all the time In predetermined position, it can lock within stop and lower stop.

9. a kind of non-stop formula unintended car movement protection device as claimed in claim 2, it is characterized in that：The block piece or Electric switch is provided with car, when slider latch exits the limitation of block piece completely, elevator normally lifting running again；

Or the fixture is the closing space with an opening, to accommodate slider latch, and ensures slider latch at it Do not fallen off during internal activity；

Or all elements in the non-stop formula unintended car movement protection device are two groups, are symmetricly set in car both sides, Using the central axis of car door as symmetry axis.

10. a kind of elevator device, it is characterized in that：Including protection device as claimed in any one of claims 1-9 wherein.