CN102134026B - Brake-pulling self-rescue falling device in elevator - Google Patents

Abstract

The invention discloses a brake-pulling self-rescue falling device in an elevator. The device is provided with a pull rope which is pulled together with a cable by a counter weight, wherein the pull rope crosses over and is often popped upward to a movable pulley spaced from a hoist cylinder that the cable crosses over, and then extends into an elevator car; the pull rope is easily pulled by trapped people to connect a series of components from the movable pulley to a rocker so that a brake shoe releases pressure contact with a brake wheel coaxial or in transmission with the hoist cylinder, and the elevator car suspended by the cable can move downwards to avoid danger; each pulling operation easily provides a short downward-moving opportunity to the elevator car since the rocker and the like enable the brake shoe to be in pressure contact with the brake wheel if the pulling force is excessively large or the pulling operation is released; and the elevator car is easily pulled to move downwards safely, and excessively fast falling is avoided. The brake-pulling self-rescue falling device in an elevator is cheap and easy to popularize and can serve in fire fighting.

Description

Lead the lock formula building device of saving oneself in the elevator

Affiliated technical field:

The present invention be a kind of when helping the elevator dead electricity by the electromechanical device in the building of saving oneself because of the people in its railway carriage or compartment, also can serve fire-fighting.

Background technology:

Existing known and still publicity often of medium: " if people is when being confined in the dead electricity cage, preferably can only be the stranger such as to exhale to have rescued." but when this situation, exhale and know that the philanthropist has been difficult, kindly know the person of rescuing again and come by the time have, often need delay dozens of minutes, during very easily prolong and give birth to misfortune, especially just more so awful when fire.The U.S.'s 9.11 events and Shanghai fire on the 15th November in 2010 etc. all repeat proof: if be confined in people in the dead electricity elevator building of saving oneself, must subtract many injures and deaths.

Summary of the invention:

[building of easily saving oneself of the people in] the cage in full herewith the invention provides and leads the lock formula building device of saving oneself in a kind of elevator in order to help the manned railway carriage or compartment that is confined in vertical operation.It also easily repacks into and need not electric " dead electricity elevator gravity displaced type continue temporarily operational system " [seeing the separate case application for details] that also easily allows elevator continue the limited repeatedly manned building that falls.

The technical measures that its technical matters of solution of the present invention adopts are when motionless with elevator [be normality]:

Electromagnetic brake useful in the common elevator a pair of main switch bar wherein added to grow to be had the moved end to extend upwardly high not interfere with each other the place to the following member of setting up and existing facility, and the then bottom of a rocking bar that is hinged to live in that this moved end of root restrictor bar of nearer cage, the bottom of this rocking bar is being connected one downwards and the curved boom of the weak point that the direction of another bar of convergence is stretched and in this termination with the end of living be hinged one when it closely becomes to be symmetrical in weak point by this vertical guide that cuts with scissors alive and helps arm to normality its two shape as " ∨ " word shape.Be hinged to live the again then song that is connected from the moved end from that root restrictor bar of cage away from of this other end that helps arm extends through the end of cranking arm come, cooperate to all curved booms and to help arm to be allocated to when being "---" word shape from being " ∨ " word shape, must make this moved end to restrictor bar outwards drive slightly separately that electromagnetic brake declutches.

The movable pulley that the upper end of above-mentioned rocking bar is furnished with is then extended about cage by the elasticity support and connects the top at cable place and exceed about 1 meter than elevator winding drum, the top segmental arc of its race stretches tight actively and walks around a lead, one end of lead is balanced hammer together and drags and weighing down to accompany on one side tiltedly down cable again above winding drum, the easy end of lead then to another other tiltedly walk around down establish be connected in pedestal and be in above the cage and the fixed pulley at more inclined to one side winding drum place again drawdown to cage, its the fag end company's of tying up one draw ring work again is stuck in upper wall in the cage, can each not hinder elevator operation with cable two ends, garden synchronization lifting respectively to the two ends that make lead.

When having the people firmly to drag in the cage to weigh down draw ring, though just can be with lead drags the rocking bar upper end to lower swing the lower end of curved boom upwards swing go to make electromagnetic brake to unclamp---also being the same when not having electricity---and have the people to increase weight to overweighting bob-weight to downslide in the cage therefore the time.When if this slip velocity is too fast, when the people of thing can be alarmed or unclamp draw ring, allows electromagnetic brake recover to stop and stop effect; If this flurried person decontrols draw ring but more weighs down more tightly, then also can make the curved boom of firm one-tenth "---" word shape and help arm to become " eight " word shape, can make electromagnetic brake stop equally stopping.So approximately can slide too fast---and also have elevator that the former anti-breaking cable of establishing must be arranged and the device that weighs down is being escorted! To making the people in the stranded cage also can independently be down to lowermost layer safely.As long as set the easy elimination predicament of " elevator internal door pocket button door opener " [seeing below continuous application] of utmost point Lian Yi for it again.

The invention has the beneficial effects as follows:

1, safety, reliable---both started the new means of livelihood that the people in the stranded cage can effectively save oneself, and guaranteed again that the agreement action [embrace and weigh down draw ring] of saving oneself is extremely simple and easy and move too gently or the too heavy anti-too fast sliding safety performance of falling of former cage that all do not hinder.

2, Lian Yi popularizes---as long as the original electromagnetic brake of elevator is reequiped slightly.

Description of drawings:

Fig. 1 leads the lock formula building device of saving oneself to be located on the elevator that contains electromagnetic brake in the elevator that proposes of a tree name the present invention, when cage is parked in when top along the scheme drawing perpendicular to the vertical guide line of vision of winding drum axis, but cage is drawn to analyse and observe; Fig. 2 is that the A-A of Fig. 1 is to view.Each map scale is 1: 50.

Among the figure: 1, lead; 2, restrictor bar; 3, decide the bone wheel; 4, curved boom; 5, rocking bar; 6, movable pulley; 7, cage; 8, hanging sleeve; 9, draw ring; 10, hang spring; 11, brake wheel; 12, pedestal; 13, cable; 14, winding drum; 15, crank arm; 16, help arm; 17, extension spring; 18, brake shoe; 19, axle; 20, bob-weight; Dotted line is represented rope.

The state of the mechanism that shows with Fig. 1 when dead electricity is normality, is heart line with the 11st, the 14 and No. 19 member axle center that wherein is solidly fixed.That brake shoe 18 that is connected close in both sides centripetal line just holding tightly brake wheel 11 a pair of restrictor bar 2 can by the restrictor bar of original electromagnetic brake refute long or be transformed into to the bar moved end high reach for its set following object not with interference place of original object, and wherein the moved end of nearlyer cage 7 bar with live to be hinged then rocking bar 5 bars towards deviate from the heart and upward extend upper end about cable 13 with the top that is connected plumb line of cage 7 and than winding drum 14, exceed 1 meter, and support with winding drum 14, keeping greater than 0.01 meter extremely suitable distance [in Fig. 1, the axis of all revolving members is all perpendicular to paper] of establishing that the normal bullet of movable pulley 6 sticks up order.Arc is active stretches tight around a lead 1 for table on the movable pulley 6---and allow the end crossing on one side downwards of rope cross winding drum 14 and accompany neat isometric the hanging down of cable 13 correspondent sections again and be balanced hammer 20 and fasten to drag and weighing down.The other end of this lead 1 then towards another other more depart from heart line ground tiltedly stretch to walk around the fixed pulley 3 that is set in pedestal 12 and about and winding drum 14 top equal-height positions down after, be parallel to cable 13 again and dragged that straight section of bob by cage 7, hang down into cage 7 tops, low 0.1 meter of upper wall is tied up and is connected a draw ring 9 in approximately than the railway carriage or compartment---and allow easy-to-draw bob of people in the railway carriage or compartment overlap movable pulley 6 to lead 1 and rely on fixed pulley 3; To rocking bar 5 upper ends to lower swing, be fixed on rocking bar 5 bottoms since then with restrictor bar 2 hinged place normalities tiltedly down stretch to heart line on the upper side the short curved boom 4 of of side then be flapped toward lying type thereupon.One end of these curved boom 4 those pendulum then then always becomes an end that helps arm 16 of symmetrical shape with it substantially live to be hinged with respect to the vertical guide by common hinge axes---and allow its other end follow 15 the termination of cranking arm of turning from the moved end rigidity disjunctor of another root restrictor bar 2 with hinge alive, the curved boom 4 that makes normality with help arm 16 to constitute the state that presents " ∨ " word to change and tend to into "---" word state, support forces this moved end to restrictor bar 2 to drive a pair of brake shoe 18 relatively away from Xiao Xu to loosen brake holding effect to the normality of brake wheel 11, transference brake wheel 11 allows cable 13 carried the people by that and obviously becomes heavy cage 7 and drag an end of bob to move down [should easily have a mind to certainly alleviate the weight of bob-weight 20 and make mechanism's this gesture that often becomes] with adorning one 19 or have the winding drum 14 of reliable drive connection rotatable, putting.When dragging the power of weighing down draw ring 9 big, then can make the curved boom 4 that just has been "---" word shape and help arm 16 changes to become into " eight " word shape, the realization brake holding is drawn close in the anti-moved end of a pair of restrictor bar 2 of dragging.Again if this drags the people who weighs down draw ring 9 to have a mind to or is frightened and when loosing one's grip, curved boom 4 and help arm 16 all must have been gone to realize the brake holding function by " ∨ " shape that is that the elastic reaction of extension spring 17 is replied normality.This shows in this mechanism: all draw rings 9 are effectively dragged all must only easily allow when weighing down cage 7 move down some will never to move down not only too many too fast [also easily in experiment modulation rocking bar 5 choose best length to reach fast but also safe value effect], thus allow effectively cage 7 carry the people when dead electricity also easily from the eminence safe falling.

Above-mentioned member should be easily causes sufficient intensity and due rigidity by iron and steel etc.The present invention allows lead 1, accompanying cable 13 is balanced hammer 20 together and drags and weighing down, allow this lead 1 stride again to walk around by behind the movable pulley 6 that bullet sticks up beyond cable 13 is striden 0.01 meter of the outside face of the winding drum 14 that moves into and the axle center is movable, drawdown goes into to allow the people drag in the cage 7 to change movable pulley 6 original positions, to drive restrictor bar 2 with movable pulley 6 and auxiliary part or other is controlling this function of device that can winding drum 14 rotate, not only can be for being provided with electromagnetic brake, as long as obviously more can be the more advanced electric or hydraulic pressure that is provided with the inventor even common people's the unknown or the elevator service of aerobraking anti-fall device---got final product because allowing the displacement of this movable pulley 6 stir corresponding switch gently.

If allow rocking bar 5 manage to lengthen or fixed pulley 3 and movable pulley 6 all made into assembly pulley, and allow lead 1 have a plurality ofly to walk around back and forth that these are fixed, movable pulley, just can subtract the power of dragging bob draw ring 9 required greatly, make child also easy to operate.For allowing the passenger obtain better buffer protection, also easily cage 7 in eminence hang establish strong elastic hang spring 10 hang the tough cloth of ining succession cause can allow height different easily allow one of them hold the hanging sleeve 8 that is enclosed within the oxter even strides multi-turn ring down under the arm per capita---and establish more overlap these things, so that everyone respectively holds a hanging sleeve 8 under the arm by easily two armpits, uphangs to make health as far as possible; Even so far cage 7 under fall that time bottom is limited hits recessedly, that passenger injured also can reduce greatly---this structure also should easily be promoted in the bus, estimates and easily pays less logical injures and deaths greatly; Holding up of passenger that the station is tired to subtracting greatly at least.

Claims (3)

1. lead the lock formula building device of saving oneself in the elevator, being provided with lead accompanies cable and is balanced hammer together and drags and weighing down, often allow lead stride again to walk around by bullet stick up to cable stride around winding drum the movable pulley and some fixed pulleys of certain distance arranged after, just allow lead and cable all drawdown to cage, allow the people can spur lead, drive the device that pulley and annex go to order about the braking of control winding drum, the cage that makes cable play can descend in-migration to realize saving oneself, it is characterized in that: movable pulley and annex comprise: the axis of movable pulley (6) is established an end that connects rocking bar (5), the other end of rocking bar (5) is hinged to live and follows an end and the curved boom (4) that is being connected again of a restrictor bar (2), the termination of curved boom (4) then helps an end of arm (16) with alive the hinge, helps the other end of arm (16) then to extend through next crank arm (15) from an end disjunctor of another root restrictor bar (2) with the hinge of living again; These two restrictor bars (2) respectively coexist in pairs normal pressure under the elastic force effect of the company's of establishing brake shoe (18) are touching coaxial or the brake wheel (11) of drive connection arranged with winding drum (14); And be balanced hammer (20) simultaneously with cable (13) and often drag the lead (1) that is weighing down to stride to walk around by bullet and stick up to striding the winding drum (14) walked around at a distance of more than 0.01 meter with cable (13), the axle center can extend into the cage (7) of being hung by cable (13) again relative to the movable pulley (6) that move winding drum (14).

2. lead the lock formula building device of saving oneself in the elevator according to claim 1, it is characterized in that: when lead (1) is not affected by the people or led and all pass through movable pulley (6), rocking bar (5), curved boom (4) to the greatest extent the time, help arm (16), crank arm (15) and a pair of restrictor bar (2) makes a pair of brake shoe (18) contact brake wheel (11).

3. lead the lock formula building device of saving oneself in the elevator according to claim 1: it is characterized in that: hang in the manned cage (7) to be provided with and to allow the people hold hanging sleeve (8) in the oxter under the arm.

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