CN203158958U - Anti-falling system of construction elevator - Google Patents

Abstract

An anti-falling system of a construction elevator comprises one or more rope catching devices and one or more insurance ropes, wherein the rope catching device is mounted on the elevator cage of the construction elevator; one end of the insurance rope is connected to the bottom floor or the middle floor of a building; the insurance rope extends upwards, changes direction through a rotating disc, a runner, a roller or a steel bar to extend downwards to penetrate through the rope catching device on the elevator cage and is fixed in a proper position below the elevator cage; and the elevator cage can catch and fix the insurance rope through the rope catching device to hover in the air, or catch and fix a slowly descending rope through the rope catching device to descend at a safe speed.

Description

A kind of anti-drop system of construction elevator

Technical field

The invention belongs to the anti-fall technical field of construction elevator.

Background technology

Construction elevator refers to do vertical transport and uses in building operation, the dual-purpose elevator of people's goods of delivery personnel and material, owing to often be attached to the outside of building, so also claim the external application elevator.In recent years, the high-building construction elevator uses more and more general, but because the product safety performance has certain gap with general man lift, the camp site working environment is relatively poor, unit in charge of construction's safety management work is not in place, supervisor manages scarce capacity safely, causes equipment often to have major safety risks.And for construction elevator, be the manned vertical transport equipment of the unique energy in camp site, the improper terraced cage (also claiming car) that causes most probably of safety management falls, and the accident that the dead group of group hinders takes place.The reason of construction elevator ladder cage high falling comprises: after 1, guide rail bracket raises, block is not in time installed on upper limit travel switch block, the limit switch, terraced cage is rushed to summit behind the not timely flat bed of driver's maloperation, the tie bolt that causes the highest attached wall to put above guide rail bracket standard knot damages, guide rail bracket fracture back high falling; 2, falling protector malfunction.The anti-falling safety device anti-falling safety device is important on a construction elevator parts, rely on it to eliminate the generation of terraced cage falling accident, guarantees occupant's life security.The principle of work of the falling protector of construction elevator is mounted on the transmission base plate of construction elevator ladder cage now, the gear of one end is engaged on the tooth bar of guide rail bracket, when terraced cage normally moves, gear wheel shaft drives assemblies such as centrifugal block, centrifugal, governing spring and screw rod and rotates together, and anti-falling safety device just can not move yet.When the instantaneous hypervelocity of terraced cage descended or falls, centrifugal the compression governing spring also outwards threw away under action of centrifugal force, and its leg-of-mutton head blocks the boss of Outer Taper, just drives Outer Taper then and rotates together.This moment, the outside thread of Outer Taper afterbody rotated in afterburning nut, because afterburning nut is fixed, Outer Taper can only rearward move, and makes the male cone (strobilus masculinus) of Outer Taper press to the friction lining that is glued on the housing tightly like this, when resistance makes terraced cage braking once timing.But owing to often can not working falling protector, a variety of causes causes safety misadventure.The anti-fall safety measure that does not also have other at present on the construction elevator.

Summary of the invention

The present invention seeks to guaranteeing the construction safety in building, lost efficacy when falling at the falling protector of existing construction elevator, still can prevent the falling of terraced cage of construction elevator.

For achieving the above object, the present invention adopts following technical scheme:

A kind of anti-drop system of construction elevator; described anti-drop system comprises one or more rope devices of grabbing; one or more the slow rope that falls; rotating disk or runner or cylinder; the above-mentioned rope device of grabbing is mounted on the terraced cage of described construction elevator; an above-mentioned slow end that falls rope is connected bottom or the intermediate floor of building; above-mentioned slow fall that rope extends upward and change to be directed downwards to extend through by rotating disk or runner or cylinder or rod iron be arranged on grabbing rope device and being fixed on the terraced cage suitable part in below such as the ground or the below of building body on the terraced cage; above-mentioned grab rope device be enclosed within slow periphery of falling rope can be on the guide rail bracket of described construction elevator free lifting; after the rope device action is grabbed in startup when needed; the ladder cage is promptly fixed the slow rope that falls and is hovered over aerial or terraced cage and promptly fix and slowly fall rope and descend with safety speed under the effect of descending lifeline by grabbing rope device by grabbing rope device; above-mentioned safety speed refers to the acceptable safe descending speed of human body; refer generally to be no more than the descending speed of 2 meters of per seconds; the slow rope that falls can prevent that terraced cage from dropping or terraced cage is rushed to summit; space in the scaffold that arranges between the terraced cage of existing building and elevator can provide arranges the vertical slow space of rope and the space of arranging cant cantilever of falling; on the post of building or beam or floor face or the shear wall cantilever mounted support can be set; and at cant cantilever rotating disk is set; also have living space between scaffold and the guide rail bracket in addition to provide cant cantilever and the slow space that falls rope of vertical layout are set; design plan design cantilever is above terraced cage in addition; the slow rope that falls is passed down through the top of terraced cage and passes the rope device of grabbing that is arranged in the terraced cage; the bottom of passing terraced cage again is fixedly connected on downwards on the basis on ground; we also can install the anti-drop system that two covers or more covers are set at terraced cage, and this just can play twice or the anti-falling protection of multiple tracks more.

Wherein, the described rope device of grabbing comprises movable slider, fixing slide block, the said fixing slide block is fixed on the tank wall of terraced cage or grabs on the housing of rope device, movable slider is movably arranged on the tank wall of terraced cage or grabs on the housing of rope device, and above-mentioned movable slider can insert fixedly and clamp the slow rope that falls in the slide block.

Wherein, described movable slider has two, and the bottom surface of two movable sliders is provided with the compression spring, and the compression spring promotes two movable sliders when upspringing and enters fixedly in the slide block.

Wherein, described movable slider is connected with stay cord, stay cord can draw in movable slider fixedly in the slide block under external force, movable slider is upspring the compression spring of grabbing the rope device to promote movable slider to enter fixedly in the slide block and is clamped the slow rope that falls by people control as by stay cord, and movable slider also can start by sensor or mechanical device grabs the rope device and the compression spring is upspring or motor action or hydraulic stem action promote movable slider and enter fixedly in the slide block and clamp to delay and fall rope.

Wherein, described movable slider is near slow shape undulate shape or gear-like of falling the one side of rope.

Wherein, the described slow upper end that falls rope is connected on damper or energy disperser or spring or the descending lifeline, and above-mentioned damper or energy disperser or spring or descending lifeline are fixedly installed on bottom or the intermediate floor.

Wherein, described descending lifeline comprises the metal ring track, the surface of being close to the metal ring track is provided with magnet, magnet is fixed on the supporting construction, supporting construction is fixed in the rotating shaft, rotating shaft can be rotated around bearing, and rotating shaft is provided with the described slow rope that falls of a volume, and the above-mentioned slow rope that falls drives under the effect of pulling force that rotating shaft is rotated and drive magnet slides at the metal ring track.

Wherein, described descending lifeline comprises the metal ring track, the two sides of being close to the metal ring track is provided with magnet one and magnet two, magnet one and magnet two are fixed on the supporting construction, supporting construction is fixed in the rotating shaft, rotating shaft can be rotated around bearing, rotating shaft is provided with the slow rope that falls of a volume, slow fall that rope drives under the effect of pulling force that rotating shaft is rotated and drive magnet one and magnet two slide at the metal ring track, also has scheme, described descending lifeline comprises the metal ring track, the two sides of being close to the metal ring track is provided with and is no less than two pairs group of magnets, every pair of group of magnets comprises two blocks of magnet that are symmetrical in the metal ring track, above-mentioned group of magnets is fixed on the supporting construction, and supporting construction is fixed on rotating shaft or the cylinder, and rotating shaft or cylinder can rotate around bearing, be connected with the described slow rope that falls of a volume on rotating shaft or the cylinder, the above-mentioned slow rope that falls drives rotating shaft or cylinder rotation and drives above-mentioned group of magnets and rotates at the metal ring track under the effect of pulling force.

Wherein, described metal ring track is provided with separates the crack, also can not arrange certainly and separate the crack.

Wherein, described rotating disk or runner or cylinder or rod iron are arranged on the beam of building or the attached wall frame between post or shear wall or guide rail bracket or guide rail bracket and the building or on the cantilever of the building of encorbelmenting.

Beneficial effect of the present invention: after adopting the technical scheme of anti-drop system of construction elevator of above-mentioned a kind of building, because described terraced cage is provided with and grabs the rope device, an above-mentioned slow end that falls rope is connected ground or suitable part, as on the basis of the bottom of building or the ground floor of intermediate floor or building or on the structures such as the beam of intermediate floor or post, above-mentioned slow fall rope by being fixed on the building outside beam or the rotating disk on the cantilever on the post or runner or cylinder or rod iron change that direction extends upward and change to be directed downwards to extend through by the rotating disk on the cantilever that is arranged on the building top or runner or cylinder or rod iron and be arranged on grabbing rope device and fix on the ground on the terraced cage, above-mentioned grab rope device be enclosed within slow fall the rope periphery can be on guide rail bracket free lifting, the above-mentioned so slow rope that falls has just formed another drop preventer independently the falling protector on original construction elevator in conjunction with the rope device of grabbing on the terraced cage, when terraced cage suddenly during out of control falling and original falling protector when losing efficacy, the operator of elevator or take the people start grab the rope device action after, the ladder cage is promptly fixed the slow rope that falls by grabbing rope device, prevented falling of terraced cage like this, we also can install the anti-drop system of two covers or more covers at terraced cage, and this just can play twice or the more anti-fall guarantee of multiple tracks.Certainly, we can be provided with damper or spring device or energy disperser or descending lifeline at the above-mentioned slow pull end that is subjected to that falls rope, be used for avoiding stopping suddenly uncomfortable sensation or the injury that terraced cage brings to the people, also can be used to avoid stopping suddenly the impact damage that terraced cage brings for equipment or structure, effect was more outstanding after particularly descending lifeline adopted the metal ring track in conjunction with the scheme of permanent magnet, because being close to the metal ring raceway surface is provided with magnet, magnet is fixed on the supporting construction, supporting construction is fixed in the rotating shaft, rotating shaft is rotatable, rotating shaft is provided with the slow rope that falls of a volume, the slow rope that falls drives under the effect of the pulling force of terraced cage that rotating shaft is rotated and drive magnet slides on the surface of metal ring track, because magnet produces the magnetic field eddy current in the metal ring track in rotation process, the magnetic field eddy current hinders the rapid movement of magnet, can make the speed of the magnet of twirl quickly fall to safety speed, so terraced cage just can descend by the slow rope safety under the effect of descending lifeline of falling, because the scheme that adopts above-mentioned magnet to slow down, the characteristic of its structural safety is given prominence to very much, there is not the problem of the friction member wear out failure of friction-type descending lifeline in it, and its deceleration performance is rapid and security insurance is reliable.After adopting technique scheme, because slow to fall rope be to entangle terraced cage downwards in conjunction with cant cantilever, that is to say when terraced cage is upwards rushed to summit that can be fallen rope and cant cantilever is held downwards by slow, this has also just increased another road safety curtain for stoping terraced cage to be rushed to summit.Also have, the principle that anti-drop system of the present invention and existing falling protector adopt is distinct, it can adopt by people control as by stay cord and the compression spring of grabbing the rope device be upspring promote movable slider to enter fixedly in the slide block and clamp the slow rope that falls, or starts by sensor or mechanical device and to grab the rope device and the compression spring is upspring or motor action or hydraulic stem action promote movable slider and enter fixedly in the slide block and clamp to delay and fall rope.Another beneficial effect of the present invention has taken into full account existing design regulation exactly; job specifications; safety standard; operational procedure; the installation of existing construction elevator; the invention design of making after the factors such as layout of work and existing construction space; the present invention all can not impact above-mentioned factor; it takes full advantage of the idle space of camp site and arranges technical scheme of the present invention; through examining the engineering of building; can find between the terraced cage of existing building and elevator, to be provided with scaffold; space in the scaffold can provide vertical layout the slow space that falls rope; on the post of building or beam or floor face or the shear wall cantilever mounted support or supporting construction can be set; and at cant cantilever or supporting construction rotating disk is set; also having also has living space to provide between scaffold and the guide rail bracket arranges cant cantilever or supporting construction; the vertical layout delayed the space that falls rope; cant cantilever or supporting construction are to depend on the beam that is fixed on the building side; on post or the shear wall; and can water the rising of smashing floor with building operation and promote; can not influence structure and the construction of building; the present invention is an independently drop preventer of construction elevator; thereby it can be grabbed rope device and allow terraced cage be fixed on the slow second road fall arrest protection of having played existing construction elevator fall arrest on the rope of falling by automatic or manual operation start when the falling protector of former construction elevator loses efficacy; certainly we also can principle according to the present invention arrange the second cover anti-drop system; even the 3rd cover or the anti-drop system of more covers, so just can play multiple anti-falling protection to the terraced cage of construction elevator.

Description of drawings

Fig. 1 is the schematic side view of the embodiment of the invention 1 mounting arrangements.

Fig. 2 is the schematic top plan view of the embodiment of the invention 1 mounting arrangements.

Fig. 3 is the scheme drawing of device under normal condition of restricting of grabbing of the embodiment of the invention 1.

Fig. 4 is that the rope device of grabbing of the embodiment of the invention 1 is promptly delaying the scheme drawing that falls under the rope state.

Fig. 5 is the cross-sectional schematic of the descending lifeline of the embodiment of the invention 1.

Fig. 6 is the schematic top plan view of the descending lifeline of the embodiment of the invention 1.

Fig. 7 is the stravismus scheme drawing of grabbing rope device of the embodiment of the present application 1.

Fig. 8 be the embodiment of the present application 1 grab the fastening insurance rope of rope device the time the stravismus scheme drawing.

Fig. 9 is the schematic side view of the embodiment of the present application 2 mounting arrangements.

The specific embodiment

As shown in Figure 1, a kind of construction elevator, comprise guide rail bracket 9 and terraced cage 5, described construction elevator is provided with anti-drop system, above-mentioned anti-drop system comprises grabs rope device 6, the slow rope 8 that falls, rotating disk 2, rotating disk 4, described terraced cage 5 is provided with grabs rope device 6, an above-mentioned slow end that falls rope 8 is connected on the spring 10 fixing on the cantilever 11 of the second layer of building 1, the above-mentioned slow rope 8 that falls extends upward by being arranged on rotating disk 2 on the cantilever 16 from the point of connection of spring 10 and changes directions and extend and extend through downwards by rotating disk 4 to terraced cage 5 and be arranged on grabbing rope device 6 and be fixed on the basis 12 on ground on the terraced cage 5, the basis 12 other slow ropes 13 that fall of a volume that are provided with, above-mentioned cantilever 16 is connected with cant cantilever 17 by bolt, cant cantilever 17 is provided with rotating disk 4, when building 1 upwards needs lift rail frame 9 after the construction and need make terraced cage 5 rise heights, in the position that needs hoisting depth cantilever is set, above-mentioned cant cantilever 17 repeated usage that detachably gets off, for example behind cantilever 16 dismounting lower cantalever supports 17, be installed on the cantilever 18, and at cantilever 18 rotating disk 19 is set, untie then, unclamp the slow end that rope 8 is fixed in basis 12 that falls, utilize slow fall rope 13 extend vertical slow the length of rope 8 is fallen and entangle rotating disk 19 and rise after cant cantilever 17 on rotating disk 4, be strained and fixed then on basis 12, above-mentioned grab rope device 6 be enclosed within slow fall outside the rope 8 can be on guide rail bracket 9 free lifting, start when needed and grab rope device 6 actions, ladder cage 5 is promptly fixed the slow rope 8 that falls by grabbing rope device 6, scaffold 15 is arranged on the avris of building 1, if the top building has just been watered the concrete strength smash not enough the time, we can be after guide rail bracket 9 upwards promotes, cantilever and rotating disk are set on the guide rail bracket up, above-mentioned cantilever and rotating disk are arranged on the top of grabbing rope device 6 on the terraced cage 5, untie the slow end that rope 8 is fixed in basis 12 that falls then, utilize the slow rope 13 that falls to extend and vertically slowly fall the length of rope 8 and entangle that post-tensioning is tightly fixed on the basis 12 on the rotating disk that just is arranged on the guide rail bracket top, above-mentioned grab rope device 6 be enclosed within slow fall outside the rope 8 can be on guide rail bracket 9 free lifting, by such mode, we just can arrange independently anti-drop system at terraced cage 5, and can adjust anti-drop system with the rising of guide rail bracket 9, cantilever 20 is provided with rotating disk 21 as shown in Figure 1, cantilever 22 is provided with rotating disk 23, multiple stopping when above-mentioned rotating disk 21 and rotating disk 23 also play terraced cage and fall.

As shown in Figure 2, the side of building 1 is erected with scaffold 15, scaffold 15 arranged outside have guide rail bracket 9, guide rail bracket 9 is provided with terraced cage 5 and terraced cage 56, ladder cage 56 is ignored not expression in accompanying drawing 1, a slow end that falls rope 8 is connected on the spring fixing on the cantilever of the second layer of building 1, the above-mentioned slow rope 8 that falls extends upward by being arranged on rotating disk 2 on the cantilever 16 from the point of connection of spring and changes directions and extend and extend through downwards by rotating disk 4 to terraced cage 5 and be arranged on grabbing rope device 6 and be fixed on the basis on ground on the terraced cage 5, above-mentioned cantilever 16 is connected with cant cantilever 17 by bolt, and cant cantilever 17 is provided with rotating disk 4.

As shown in Figure 3, under normal condition, grab rope device 6 and be arranged on slow periphery of falling rope 8, slow fall rope 8 and pass the internal void 7 of grabbing rope device 6, grab rope device 6 and comprise movable slider 28, movable slider 31, fixedly slide block 27, fixedly slide block 29, said fixing slide block 27, fixedly slide block 29 is fixed on the tank wall of terraced cage or grabs on the housing of rope device 6, movable slider 28, movable slider 31 is movably arranged on the tank wall of terraced cage or grabs on the housing of rope device 6, above-mentioned movable slider 28, movable slider 31 can insert fixedly slide block 27, fixedly clamp the slow rope 8 that falls in the slide block 29, movable slider 28 is provided with cylindric protruding thing 50 and the cylindric protruding thing 51 that is parallel to inclined-plane 37, movable slider 31 is provided with cylindric protruding thing 52 and the cylindric protruding thing 53 that is parallel to inclined-plane 38, above-mentioned cylindric protruding thing 50 and cylindric protruding thing 51 insert and are parallel in the grooved tracks on inclined-plane 37, above-mentioned cylindric protruding thing 52 and cylindric protruding thing 53 insert and are parallel in the grooved tracks on inclined-plane 38, grooved tracks is arranged on the tank wall of terraced cage or grabs on the housing of rope device 6, fixedly slide block 27 is provided with the slip plane 36 that is parallel to inclined-plane 37, fixedly slide block 29 is provided with the slip plane 35 that is parallel to inclined-plane 38, movable slider 28, the bottom surface of movable slider 31 is provided with compression spring 25 and compression spring 26, compression spring 25 and compression spring 26 promote when upspringing that two movable sliders enter fixedly slide block 27 and fixedly in the slide block 29, in the process that advances, because above-mentioned cylindric protruding thing 50 and cylindric protruding thing 51 insert and are parallel in the grooved tracks on inclined-plane 37, above-mentioned cylindric protruding thing 52 and cylindric protruding thing 53 insert and are parallel in the grooved tracks on inclined-plane 38, movable slider 28 under the constraint of above-mentioned grooved tracks, movable slider 31 very successfully is advanced into fixedly slide block 27, fixedly in the slide block 29, and at fixing 27 pairs of movable sliders 28 of slide block, fixing 29 pairs of movable sliders 31 of slide block, clamped the slow rope 8 that falls when exerting pressure, this moment, gravity and the downward motion of terraced cage made the slow rope 8 that falls produce pulling force upwards and drive movable slider 28 under the effect of friction force, movable slider 31 more in depth enters fixedly slide block 27, fixedly in the slide block 29, enter fixedly slide block 27, fixedly slide block 29 is more dark, fixedly slide block 27, fixedly slide block 29 is by slip plane 36 and 35 pairs of movable sliders 28 of slip plane, the pressure that movable slider 31 produces is more big, this has just produced the effect of self-locking, slow like this rope 8 falls under the clamping of movable slider 28 and movable slider 31 and gravity factor, under the self-locking action that the factor that moves downward produces, be fastened on the terraced cage of grabbing on the rope device 6 and can not fall with regard to being fixed on slow fall on the rope 8.Also have, we can be connected with stay cord upwards at movable slider 28, movable slider 31, stay cord upwards can draw in movable slider 28, movable slider 31 fixedly in the slide block under external force, the above-mentioned stay cord that makes progress can enter terraced case by runner or terraced cage provides use, and movable slider 28, movable slider 31 also can start by sensor or mechanical device grabs the rope device and the compression spring is upspring or motor action or hydraulic stem action promote above-mentioned movable slider and enter in the said fixing slide block and clamp the slow rope 8 that falls.As shown in Figure 3, described movable slider 28, movable slider 31 are near the slow shape undulate shape that falls the one side of rope 8, and movable slider 28 has wavy surface 30, and movable slider 31 has wavy surface 55, and wavy surface 30 and wavy surface 55 coincide.

As shown in Figure 4, movable slider 28, the compressed springs 25 of movable slider 31 and compression spring 26 are upspring and are advanced into fixedly slide block 27 and fixedly in the slide block 29, and at fixing 29 pairs of movable sliders 31 of slide block, clamped the slow rope 8 that falls when fixedly 27 pairs of movable sliders 28 of slide block are exerted pressure, this moment, the gravity of terraced cage made the slow rope 8 that falls produce pulling force upwards and drive movable slider 28 under the effect of friction force with the factor that moves downward, movable slider 31 is more fixing slide block 27, fixedly in the slide block 29, enter fixedly slide block 27, fixedly slide block 29 is more dark, fixedly slide block 27, fixing 29 pairs of movable sliders 28 of slide block, the pressure that movable slider 31 produces is more big, this has just produced the effect of self-locking, the slow like this rope 8 that falls is under the clamping of movable slider 28 and movable slider 31 and grab rope device 6 under the self-locking action that produces of gravity factor and be fixed on slow falling on the rope 8, is fastened on the terraced cage of grabbing on the rope device 6 and can not fall with regard to being fixed on slow fall on the rope 8.

As shown in Figure 5, slow fall rope 59 and in descending lifeline 63, stretch out, descending lifeline 63 comprises metal ring track 65, be close to metal ring track 65 surfaces and be provided with magnet 61 and magnet 62, magnet 61 and magnet 62 are fixed on the supporting construction 66, supporting construction 66 is fixed in the rotating shaft 58, rotating shaft 58 is rotatable, rotating shaft 58 is provided with the slow rope 60 that falls of a volume, the slow rope 60 that falls is pulled out the part of descending lifeline 63 and is the slow rope 59 that falls, above-mentioned descending lifeline 63 is arranged at floor below the building to go on the flooring of ground floor or the second layer, slow fall rope 59 from descending lifeline 63 extend out and by rotating disk or rod iron change direction extend up to above the building and coiling by be arranged on affiliated building building above the cantilever design top rotary table that is connected of agent structure change and be directed downwards extension, above-mentioned downward extension slow fall rope 59 pass on the terraced cage that is fixedly installed on construction elevator grab rope device after fix on the ground, just often the above-mentioned rope device of grabbing can be enclosed within slow periphery of falling rope 59 and carries out lifting action, in construction companion ladder generation stall or when falling, the rope device of grabbing that is arranged on the terraced cage fastens the slow rope 59 that falls, the ladder cage is extracted out in descending lifeline 63 by the slow slow rope 60 that falls of rope 59 pullings that falls, the above-mentioned slow rope 60 that falls drives rotating shaft 58 rotations, magnet 61 and magnet 62 that rotating shaft 58 drives on the supporting construction 66 rotate at metal ring track 65, because magnet 61 and magnet 62 produce the magnetic field eddy current in metal ring track 65 in rotation process, the magnetic field eddy current hinders the rapid movement of magnet 61 and magnet 62, can make the magnet 61 of twirl and the speed of magnet 62 quickly fall to safety speed, so terraced cage just can descend by slow slow rope 60 safety under the effect of descending lifeline 63 of falling of rope 59 pullings of falling, and supporting construction 70 is connected with circular orbit 65 and circular orbit 65 is played a supportive role in addition.

As shown in Figure 6, slow fall rope 59 and in descending lifeline 63, stretch out, descending lifeline 63 comprises metal ring track 65, be close to metal ring track 65 and be provided with magnet 61, the position correspondence that the below of magnet 61 is symmetrical in metal ring track 65 is provided with magnet, two blocks of magnet are fixed on the supporting construction, supporting construction is fixed in the rotating shaft 58, rotating shaft 58 is rotatable, rotating shaft 58 is provided with the slow rope 60 that falls of a volume, the slow rope 60 that falls is pulled out the part of descending lifeline 63 and is the slow rope 59 that falls, slow fall rope 59 and extend out from descending lifeline 63, in construction companion ladder generation stall or when falling, the rope device of grabbing that is arranged on the terraced cage fastens the slow rope 59 that falls, the ladder cage is extracted out in descending lifeline 63 by the slow slow rope 60 that falls of rope 59 pullings that falls, the above-mentioned slow rope 60 that falls drives rotating shaft 58 rotations, magnet 61 on the rotating shaft 58 drive supporting constructions and the magnet of below correspondence rotate at metal ring track 65, owing in metal ring track 65, produce the magnetic field eddy current in above-mentioned two magnet rotation processes, the magnetic field eddy current hinders the rapid movement of two blocks of magnet, can make the speed of the magnet of the magnet 61 of twirl and below correspondence quickly fall to safety speed, cage just can descend by slow slow rope 60 safety under the effect of descending lifeline 63 of falling of rope 59 pullings of falling like this, and supporting construction 70 is connected with circular orbit 65 and circular orbit 65 is played a supportive role.

As shown in Figure 7, Fig. 7 is the stravismus scheme drawing of grabbing rope device, when rope device 6 is grabbed in use, the shell 86 of grabbing rope device 6 is fixed on the sidewall of terraced case of construction elevator, by the opening 80 on the shell 86 insurance rope 8 is put into the internal void 7 of grabbing rope device 6, insurance rope 8 passes the internal void 7 of grabbing rope device 6, grab rope device 6 and comprise movable slider 28, movable slider 31, fixedly slide block 27, fixedly slide block 29, said fixing slide block 27, fixedly slide block 29 is fixed on the housing 86 of grabbing rope device 6, movable slider 28, movable slider 31 slidably is arranged on the housing 86 of grabbing rope device 6, insurance rope 8 put into when grabbing rope device 6 must fixing slide block 27 and fixedly slide block 29 be arranged on the top of terraced case, above-mentioned movable slider 28, movable slider 31 can upwards insert fixedly slide block 27, fixedly clamp insurance rope 8 in the slide block 29, movable slider 28 is provided with two cylindric protruding things that are parallel to inclined-plane 37, above-mentioned two cylindric protruding things insert and are parallel in the grooved tracks on inclined-plane 37, movable slider 31 is provided with two cylindric protruding things that are parallel to inclined-plane 38, above-mentioned two cylindric protruding things insert and are parallel in the grooved tracks on inclined-plane 38, grooved tracks is arranged on the housing 86 of grabbing rope device 6, fixedly slide block 27 is provided with the slip plane 36 that is parallel to inclined-plane 37, fixedly slide block 29 is provided with the slip plane 83 that is parallel to inclined-plane 38, movable slider 28, the bottom surface of movable slider 31 is provided with compression spring 25 and compression spring 26, compression spring 25 and compression spring 26 promote when upspringing that two movable sliders enter fixedly slide block 27 and fixedly in the slide block 29, in the process that advances, because two cylindric protruding things on the above-mentioned movable slider 28 insert and are parallel in the grooved tracks on inclined-plane 37, two cylindric protruding things on the above-mentioned movable slider 31 insert and are parallel in the grooved tracks on inclined-plane 38, movable slider 28 under the constraint of above-mentioned two grooved tracks, movable slider 31 very successfully is advanced into fixedly slide block 27, fixedly in the slide block 29, and at fixing 27 pairs of movable sliders 28 of slide block, clamped insurance rope 8 when fixedly 29 pairs of movable sliders 31 of slide block are exerted pressure, when compression spring 25 and compression spring 26 upspring make movable slider 28 and movable slider 31 slide into said fixing slide block 27 and fixedly in the slide block 29 after, because the gravity effect of construction elevator ladder case and downward motion make insurance rope 8 produce pulling force upwards and drive movable slider 28 under the effects of friction force, movable slider 31 more in depth upwards enters fixedly slide block 27, fixedly in the slide block 29, enter fixedly slide block 27, fixedly slide block 29 is more dark, fixedly slide block 27, fixedly slide block 29 is by slip plane 36 and 83 pairs of movable sliders 28 of slip plane, the pressure that movable slider 31 produces is more big, this has just produced the effect of self-locking, insurance rope 8 is under the clamping of movable slider 28 and movable slider 31 and gravity factor like this, under the self-locking action that the factor that moves downward produces, be fastened on the terraced case of grabbing on the rope device 6 and can not fall with regard to being fixed on the insurance rope 8.Also have, we can be at movable slider 28, be connected with stay cord upwards on the movable slider 31, stay cord upwards can be movable slider 28 under the external force effect that makes progress, movable slider 31 draws in fixedly in the slide block, the above-mentioned stay cord that makes progress extends to the shell of grabbing rope device 6 use is provided outward, movable slider 28, movable slider 31 also can start by mechanical device, for example adopts to make compression spring 25, compression spring 26 is upspring or the action of motor action or hydraulic stem or pneumatic action promote above-mentioned movable slider 28, movable slider 31 enters said fixing slide block 27, fixedly in the slide block 29 and clamp insurance rope 8.Movable slider 28, movable slider 31 are plane near the one side 82 of insurance rope 8 as shown in Figure 5, and certain above-mentioned movable slider 28, movable slider 31 also can be designed to wave-like with the friction force of increase with insurance rope 8 near the one side 82 of insurance rope 8.

As shown in Figure 8, Fig. 8 is the stravismus scheme drawing when grabbing the fastening insurance rope of rope device, movable slider 28, the compressed springs 25 of movable slider 31 and compression spring 26 are upspring and are advanced into fixedly slide block 27 and fixedly in the slide block 29, and at fixing 29 pairs of movable sliders 31 of slide block, clamped insurance rope 8 when fixedly 27 pairs of movable sliders 28 of slide block are exerted pressure, the gravity of terraced case makes insurance rope 8 produce pulling force upwards and drive movable slider 28 under the effect of friction force with the factor that moves downward at this moment, movable slider 31 more deeply enters fixedly slide block 27, fixedly in the slide block 29, enter fixedly slide block 27, fixedly slide block 29 is more dark, fixedly slide block 27, fixing 29 pairs of movable sliders 28 of slide block, the pressure that movable slider 31 produces is more big, this has just produced the effect of self-locking, insurance rope 8 is under the clamping of movable slider 28 and movable slider 31 and grab rope device 6 under the self-locking action that produces of gravity factor and just be fixed on the insurance rope 8 like this, and the terraced case that is fastened on the construction elevator of grabbing on the rope device 6 can not fall with regard to being fixed on the insurance rope 8.

As shown in Figure 9, Fig. 9 is the schematic side view of the embodiment of the present application 2 mounting arrangements, a kind of building hoist, comprise guide rail bracket 107 and terraced case 103, described terraced case 103 is provided with grabs rope device 105, there are the insurance rope 108 described terraced case of direction 103 belows from the terraced case 103 to extend and arrange and be fixed on suitable position, terraced case 103 belows, above-mentioned insurance rope 108 extends out from descending lifeline 93, the above-mentioned rope device 103 of grabbing can fasten above-mentioned insurance rope 108 and descends with safety speed under the effect of descending lifeline 93, just often above-mentioned grab rope device 105 can be enclosed within the insurance rope 108 periphery carry out lifting action, in construction elevator generation stall or when falling, the rope device 105 of grabbing that is arranged on the terraced case 103 fastens insurance rope 108, ladder case 103 is extracted out in descending lifeline 93 by the slow rope that falls of insurance rope 108 pullings, the above-mentioned slow rope that falls drives the rotating shaft rotation, the magnet that rotating shaft drives on the supporting construction rotates at the metal ring track, because magnet produces the magnetic field eddy current in the metal ring track in rotation process, the magnetic field eddy current hinders the rapid movement of magnet, can make the speed of the magnet of twirl quickly fall to safety speed, so terraced case 103 just can descend by the slow rope safety under the effect of descending lifeline of falling of insurance rope 108 pullings, the structure of the descending lifeline 63 described in the explanation of the structure of above-mentioned descending lifeline 93 and above-mentioned Fig. 5 and Fig. 6 is the same, here do not explain in detail, one side of above-mentioned insurance rope 108 extends out from descending lifeline 93, an above-mentioned slow end that falls rope 108 extends out from the descending lifeline 93 of second floor that is arranged on building 88, the slow rope 108 that falls extends to extend upward behind the rotating disk 109 places coiling rotating disk 109 fixing on the cantilever 110 and is arranged on rotating disk 89, rotating disk 91, between the inboard of rotating disk 98 and the building 88, the above-mentioned slow rope 108 that falls extends and changes to be directed downwards to extend through by rotating disk 101 to terraced case 103 and be arranged on grabbing rope device 105 and be fixed on the basis 111 on ground on the terraced case 103 by being arranged on rotating disk 109 on the cantilever 110 and changing that directions extend upward and changing directions by the rotating disk 98 on the cantilever 97, the basis 111 other slow ropes 112 that fall of a volume that are provided with, above-mentioned cantilever 97 is connected with cant cantilever 102 by bolt, cant cantilever 102 is provided with rotating disk 101, when building 88 upwards needs lift rail frame 107 after the construction and need make terraced case 103 rise heights, in the position that needs hoisting depth cantilever is set, above-mentioned cant cantilever 102 repeated usage that detachably gets off, for example on the cantilever 95 above being installed in behind the cantilever 97 dismounting lower cantalever supports 102, at cantilever 95 rotating disk 96 is set, untie then, unclamp the slow end that rope 108 is fixed in basis 111 that falls, utilize slow fall rope 112 extend vertical slow the length of rope 108 is fallen and entangle rotating disk 96 and rise after cant cantilever 102 on rotating disk 101, the slow rope 108 that falls of tension is fixed on the basis 111 then, above-mentioned grab rope device 105 be enclosed within slow fall outside the rope 108 can be on guide rail bracket 107 free lifting, start when needed and grab rope device 105 actions, ladder case 103 is promptly fixed the slow rope 108 that falls by grabbing rope device 105, scaffold 99 is arranged on the avris of building 88, if the top building has just been watered the concrete strength smash not enough the time, we can be after guide rail bracket 107 upwards promotes, cantilever and rotating disk are set on the guide rail bracket up, above-mentioned cantilever and rotating disk are arranged on the top of grabbing rope device 105 on the terraced case 103, untie the slow end that rope 108 is fixed in basis 111 that falls then, utilize the slow rope 112 that falls to extend and vertically slowly fall the length of rope 108 and entangle that post-tensioning is tightly fixed on the basis 111 on the rotating disk that just is arranged on the guide rail bracket top, above-mentioned grab rope device 105 be enclosed within slow fall outside the rope 108 can be on guide rail bracket 107 free lifting, by such mode, we just can arrange independently anti-drop system at terraced case 103, and can adjust anti-drop system with the rising of guide rail bracket 107, cantilever 90 is provided with rotating disk 89 as shown in Figure 9, cantilever 92 is provided with rotating disk 91, multiple stopping when above-mentioned rotating disk 89 and rotating disk 91 also play terraced case and fall, because the slow rope 108 that falls is arranged between building 88 and rotating disk 89 and the rotating disk 91, if rotating disk 98 or cant cantilever 102 were broken when terraced case dropped, rotating disk 89 and rotating disk 91 can continue to become the slow hanging point that falls rope 108 so, can not allow terraced case 103 fall, this has just played multiple stopping and has fallen.

Claims (10)

1. the anti-drop system of a construction elevator, it is characterized in that: described anti-drop system comprises one or more rope devices of grabbing, one or more the slow rope that falls, the above-mentioned rope device of grabbing is mounted on the terraced cage of described construction elevator, an above-mentioned slow end that falls rope is connected on the bottom or intermediate floor of building, above-mentioned slow fall that rope extends upward and change to be directed downwards to extend through by rotating disk or runner or cylinder or rod iron be arranged on grabbing rope device and being fixed on the suitable part in terraced cage below on the terraced cage, terraced cage can promptly be fixed and slowly falls rope and hover over aerial or terraced cage and can promptly fix and slowly fall rope and descend with safety speed by grabbing rope device by grabbing rope device.

2. the anti-drop system of a kind of construction elevator as claimed in claim 1, it is characterized in that: the described rope device of grabbing comprises movable slider, fixing slide block, the said fixing slide block is fixed on the tank wall of terraced cage or grabs on the housing of rope device, movable slider is movably arranged on the tank wall of terraced cage or grabs on the housing of rope device, and above-mentioned movable slider can insert fixedly and clamp the slow rope that falls in the slide block.

3. the anti-drop system of a kind of construction elevator as claimed in claim 2, it is characterized in that: described movable slider has two, and the bottom surface of two movable sliders is provided with the compression spring, and the compression spring promotes two movable sliders and enters fixedly in the slide block when upspringing.

4. the anti-drop system of a kind of construction elevator as claimed in claim 2, it is characterized in that: described movable slider is connected with stay cord, and stay cord can draw in movable slider fixedly in the slide block under external force.

5. the anti-drop system of a kind of construction elevator as claimed in claim 2 is characterized in that: the close slow shape undulate shape that falls the one side of rope of described movable slider.

6. the anti-drop system of a kind of construction elevator as claimed in claim 1, it is characterized in that: the described slow upper end that falls rope is connected on damper or energy disperser or spring or the descending lifeline, and above-mentioned damper or energy disperser or spring or descending lifeline are fixedly installed on bottom or the intermediate floor.

7. the anti-drop system of a kind of construction elevator as claimed in claim 6, it is characterized in that: described descending lifeline comprises the metal ring track, the surface of being close to the metal ring track is provided with magnet, magnet is fixed on the supporting construction, supporting construction is fixed in the rotating shaft, rotating shaft can be rotated around bearing, and rotating shaft is provided with the described slow rope that falls of a volume, and the above-mentioned slow rope that falls drives under the effect of pulling force that rotating shaft is rotated and drive magnet slides at the metal ring track.

8. the anti-drop system of a kind of construction elevator as claimed in claim 6, it is characterized in that: described descending lifeline comprises the metal ring track, the two sides of being close to the metal ring track is provided with magnet one and magnet two, magnet one and magnet two are fixed on the supporting construction, supporting construction is fixed in the rotating shaft, rotating shaft can be rotated around bearing, rotating shaft is provided with the described slow rope that falls of a volume, above-mentionedly slowly falls that rope drives under the effect of pulling force that rotating shaft is rotated and drive magnet one and magnet two slide at the metal ring track.

9. as the anti-drop system of claim 7 or 8 described a kind of construction elevators, it is characterized in that: described metal ring track is provided with separates the crack.

10. the anti-drop system of a kind of construction elevator as claimed in claim 1 is characterized in that: described rotating disk or runner or cylinder or rod iron are arranged on the beam of building or the attached wall frame between post or shear wall or guide rail bracket or guide rail bracket and the building or on the cantilever of the building of encorbelmenting.

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