CN103848305A - Anti-drop system of construction elevator - Google Patents

Abstract

Disclosed is an anti-drop system of a construction elevator. The anti-drop system comprises one or more rope grasping devices and one ore more safety ropes, the rope grasping devices are mounted on a cage of the construction elevator, one end of each safety rope is connected on a ground floor or intermediate floor of a building, each safety rope extends upwards, changes direction through a rotary plate, a rotating wheel, a roller or a steel bar to extend downwards to penetrate the corresponding rope grasping device arranged on the cage and is fixed at an appropriate position below the cage, and the cage can grasp and fix the safety ropes through the rope grasping devices and suspends in the air, or the cage can grasp and fix slow descending ropes through the rope grasping devices so as to descend at a safety 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 that in building operation, doing vertical transport uses, and the dual-purpose elevator of people's goods of delivery personnel and material, owing to being often attached to the outside of building, so also claim external elevator.In recent years, high-building construction elevator uses more and more general, but because product safety performance has certain gap with general man lift, camp site working environment is poor, unit in charge of construction's management of safe operation is not in place, supervisor's Safety Supervision scarce capacity, 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 of the dead group's wound of group occurs.The reason of construction elevator ladder cage high falling comprises: after 1, guide rail bracket raises, on upper limit travel switch block, limit switch, block is not installed in time, after the not timely flat bed of driver's maloperation, terraced cage is rushed to summit, the tie bolt that causes the highest attached wall to put above guide rail bracket standard knot damages, high falling after guide rail bracket fracture; 2, falling protector malfunction.Anti-falling safety device anti-falling safety device is parts important on construction elevator, rely on it to eliminate the generation of terraced cage falling accident, ensures 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, in the time that terraced cage normally moves, gear wheel shaft drives together with the assemblies such as centrifugal block, centrifugal-block, governing spring and screw rod and rotates, and anti-falling safety device also just can not move.In the time that the instantaneous hypervelocity of terraced cage declines or falls, centrifugal-block is under the effect of centnifugal force, and compression governing spring also outwards throws away, and its leg-of-mutton head blocks the boss of Outer Taper, then just drives Outer Taper to rotate together.Now the outside thread of Outer Taper afterbody rotates in afterburning nut, and because afterburning nut is fixed, Outer Taper can only rearward move, and makes like this male cone (strobilus masculinus) of Outer Taper press to tightly the friction lining being glued on housing, when resistance makes terraced cage braking once timing.But often can not work and cause safety misadventure because a variety of causes makes falling protector.On construction elevator, also there is no at present other safe fall-proof measure.

Summary of the invention

The present invention seeks to as ensureing the construction safety in building, lost efficacy while 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, above-mentioned slow one end that falls rope is connected to bottom or the intermediate floor of building, above-mentioned slow fall that rope upwards extends and change direction by rotating disk or runner or cylinder or rod iron extend through downwards and be arranged on grabbing rope device and being fixed on the suitable part in terraced cage below as on ground or the below of building body on 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, start when needed and grab after rope device action, 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 decline 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 per second, the slow rope that falls can prevent that terraced cage from dropping or terraced cage is rushed to summit, space in the scaffold arranging between the terraced cage of existing building and elevator can provide arranges the vertical slow space of rope and the space of layout cant cantilever of falling, on the post of building or beam or floor face or shear wall, cantilever mounted support can be set, and rotating disk is set on cant cantilever, between scaffold and guide rail bracket, also have living space 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 being arranged in terraced cage, be fixedly connected on downwards on the basis on ground through the bottom of terraced cage again, we also can install the anti-drop system that two covers or more covers are set on terraced cage, 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, above-mentioned 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 enter to insert and in fixing slide block, clamp the slow rope that falls.

Wherein, described movable slider has two, on the bottom surface of two movable sliders, is provided with Compress Spring, promotes two movable sliders and enter in fixing slide block when Compress Spring is upspring.

Wherein, described movable slider is connected with stay cord, stay cord can draw in movable slider in fixing slide block under external force, movable slider is controlled by people as is upspring and promoted movable slider and enter in fixing slide block and clamp the slow rope that falls by the Compress Spring that stay cord makes to grab rope device, and movable slider also can be started and be grabbed rope device and Compress Spring is upspring or motor action or hydraulic stem action promote movable slider and enter in fixing slide block and clamp the slow rope that falls by sensor or mechanical device.

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

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

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

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

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

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

Beneficial effect of the present invention: adopt after the technical scheme of anti-drop system of the construction elevator of above-mentioned a kind of building, because being provided with, described terraced cage grabs rope device, above-mentioned slow one end that falls rope is connected to ground or suitable part, as on the basis of the ground floor of the bottom of building or intermediate floor or building or in the structure such as beam or post of intermediate floor, the above-mentioned slow rope that falls is by being fixed on rotating disk on the cantilever on beam or the post in building outside or runner or cylinder or rod iron and changing that direction is upwards extended and changing direction and extend through downwards and be arranged on grabbing rope device and fixing on the ground on terraced cage by being arranged on rotating disk on the cantilever of building top or runner or cylinder or rod iron, above-mentioned grab rope device be enclosed within slow fall 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 terraced cage, in the time of unexpected out of control the falling of terraced cage and when original falling protector lost efficacy, the operator of elevator or take people and start and grab after rope device action, ladder cage is promptly fixed the slow rope that falls by grabbing rope device, prevent like this falling of terraced cage, we also can install the anti-drop system of two covers or more covers on terraced cage, 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 subject to that falls rope, be used for avoiding suddenly stopping uncomfortable sensation or the injury that terraced cage brings to people, also can be used to avoid suddenly to stop the impact damage that terraced cage brings to equipment or structure, after particularly descending lifeline adopts metal ring track in conjunction with the scheme of permanent magnet, effect is more outstanding, be provided with magnet owing to being close to metal ring raceway surface, magnet is fixed in supporting construction, supporting construction is fixed in rotating shaft, rotating shaft is rotatable, in rotating shaft, be provided with the slow rope that falls of a volume, slow fall rope and under the effect of the pulling force of terraced cage, drive rotating shaft rotate and slide on the surface of metal ring track with moving magnet, because magnet produces magnetic field eddy current in rotation process in metal ring track, 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 decline by the slow rope safety under the effect of descending lifeline of falling, due to 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 descent control device in it, and its deceleration performance is rapid and security insurance is reliable.Adopt after technique scheme, to fall rope be to entangle terraced cage downwards in conjunction with cant cantilever due to slow, that is to say when terraced cage is upwards rushed to summit, and can be fallen rope and cant cantilever is held downwards by slow, and 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 and control as upspring and promoted movable slider and enter in fixing slide block and clamp the slow rope that falls by the Compress Spring that stay cord makes to grab rope device, or is started and grabbed rope device and Compress Spring is upspring or motor action or hydraulic stem action promote movable slider and enter in fixing slide block and clamp the slow rope that falls by sensor or mechanical device.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 the layout of work and existing construction space, the present invention all can not impact above-mentioned factor, it makes full use of the idle space of camp site and arranges technical scheme of the present invention, through examining the engineering of building, can find to be provided with scaffold between the terraced cage of existing building and elevator, space in scaffold can provide vertical layout the slow space that falls rope, on the post of building or beam or floor face or shear wall, cantilever mounted support or supporting construction can be set, and in cant cantilever or supporting construction, rotating disk is set, between scaffold and guide rail bracket, also have living space to provide in addition cant cantilever or supporting construction are set, vertical layout delayed the space that falls rope, cant cantilever or supporting construction are to depend on the beam that is fixed on building side, on post or shear wall, and can water the rising of smashing floor with building operation and promote, can not affect structure and the construction of building, the present invention is an independently drop preventer for construction elevator, thereby it can grab rope device and allow terraced cage be fixed on the slow second fall arrest protection of having played existing construction elevator fall arrest on rope of falling by automatic or manual operation start in the time that 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, the even anti-drop system of the 3rd cover or more covers, so just can play multiple drop-proof protection to the terraced cage of construction elevator.

Brief description of the drawings

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

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

Fig. 3 be the embodiment of the present invention 1 grab the schematic diagram of rope device under normal condition.

Fig. 4 is that the rope device of grabbing of the embodiment of the present invention 1 is promptly delaying the schematic diagram falling under rope state.

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

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

Fig. 7 is the stravismus schematic diagram 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 time stravismus schematic diagram.

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

Detailed description of the invention

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, above-mentioned slow one end that falls rope 8 is connected on spring 10 fixing on the cantilever 11 of the second layer of building 1, the above-mentioned slow rope 8 that falls upwards extends through from the point of connection of spring 10 rotating disk 2 being arranged on cantilever 16 and changes direction and extend and extended through downwards and be arranged on grabbing rope device 6 and being fixed on the basis 12 on ground on terraced cage 5 by rotating disk 4 to terraced cage 5, the other slow rope 13 that falls of a volume that is provided with in basis 12, above-mentioned cantilever 16 has been bolted cant cantilever 17, on cant cantilever 17, be provided with rotating disk 4, when needing lift rail frame 9 and need make terraced cage 5 rise height after building 1 upwards being constructed, in the position that needs hoisting depth, cantilever is set, above-mentioned cant cantilever 17 repeated usage that detachably gets off, for example, dismantle lower cantalever support 17 on cantilever 16 after, be arranged on cantilever 18, and rotating disk 19 is set on cantilever 18, then untie, unclamp the slow rope 8 that falls and be fixed on one end of basic 12, 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, then be strained and fixed on basis 12, above-mentioned grab rope device 6 be enclosed within slow fall outside rope 8 can be on guide rail bracket 9 free lifting, start and grab rope device 6 and move when needed, 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 time, we can be after guide rail bracket 9 upwards promotes, cantilever and rotating disk are set on guide rail bracket up, above-mentioned cantilever and rotating disk are arranged on the top of grabbing rope device 6 on terraced cage 5, then untie the slow rope 8 that falls and be fixed on one end of basic 12, utilize slow fall rope 13 extend vertical slow fall the length of rope 8 and entangle post-tensioning on the rotating disk that is just arranged on guide rail bracket top be tightly fixed on basis 12, above-mentioned grab rope device 6 be enclosed within slow fall outside rope 8 can be on guide rail bracket 9 free lifting, by such mode, we just can arrange independently anti-drop system on 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, on cantilever 22, be 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, on guide rail bracket 9, be provided with terraced cage 5 and terraced cage 56, ladder cage 56 is not ignored and is represented in accompanying drawing 1, slow one end that falls rope 8 is connected on spring fixing on the cantilever of the second layer of building 1, the above-mentioned slow rope 8 that falls upwards extends through from the point of connection of spring the rotating disk 2 being arranged on cantilever 16 and changes direction and extend and extended through downwards and be arranged on grabbing rope device 6 and being fixed on the basis on ground on terraced cage 5 by rotating disk 4 to terraced cage 5, above-mentioned cantilever 16 has been bolted cant cantilever 17, on cant cantilever 17, be 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, the slow rope 8 that falls is through the internal void 7 of grabbing rope device 6, grab rope device 6 and comprise movable slider 28, movable slider 31, fixing slide block 27, fixing slide block 29, above-mentioned fixing slide block 27, fixing 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 enter and insert fixing slide block 27, the slow rope 8 that falls of the fixing interior clamping of slide block 29, on movable slider 28, be provided with the cylindric protruding thing 50 and the cylindric protruding thing 51 that are parallel to inclined-plane 37, on movable slider 31, be provided with the cylindric protruding thing 52 and the cylindric protruding thing 53 that are 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, fixing slide block 27 is provided with the slip plane 36 that is parallel to inclined-plane 37, fixing slide block 29 is provided with the slip plane 35 that is parallel to inclined-plane 38, movable slider 28, on the bottom surface of movable slider 31, be provided with Compress Spring 25 and Compress Spring 26, Compress Spring 25 and Compress Spring 26 promote two movable sliders and enter in fixing slide block 27 and fixing slide block 29 while upspringing, in the process advancing, because inserting, above-mentioned cylindric protruding thing 50 and cylindric protruding thing 51 be 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 is very successfully advanced into fixing slide block 27, in fixing slide block 29, and at fixing slide block 27 to movable slider 28, fixing slide block 29 is to movable slider 31, when exerting pressure, clamp the slow rope 8 that falls, the now gravity of terraced cage and downward motion makes slow fall rope 8 and produce pulling force upwards and under the effect of friction force, drive movable slider 28, movable slider 31 more in depth enters fixing slide block 27, in fixing slide block 29, enter fixing slide block 27, fixing slide block 29 is darker, fixing slide block 27, fixing slide block 29 by slip plane 36 and slip plane 35 to movable slider 28, the pressure that movable slider 31 produces is larger, 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 moving downward produces, being fastened on the terraced cage of grabbing on rope device 6 is just fixed on slow fall on rope 8 and can not falls.Also have, we can be connected with stay cord upwards on movable slider 28, movable slider 31, stay cord upwards can draw in movable slider 28, movable slider 31 in fixing slide block under external force, above-mentioned stay cord upwards can enter terraced case by runner or terraced cage provides use, and movable slider 28, movable slider 31 also can be started and be grabbed rope device and Compress Spring is upspring or motor action or hydraulic stem action promote above-mentioned movable slider and enter in above-mentioned fixing slide block and clamp the slow rope 8 that falls by sensor or mechanical device.As shown in Figure 3, described movable slider 28, movable slider 31 are near the shape undulate shape that delays the one side of falling 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 spring 25 of movable slider 31 and Compress Spring 26 are upspring and are advanced in fixing slide block 27 and fixing slide block 29, and at fixing slide block 29 to movable slider 31, when exerting pressure to movable slider 28, clamps fixing slide block 27 the slow rope 8 that falls, now the gravity of terraced cage and the factor that moves downward make slowly to fall rope 8 and produce pulling force upwards and under the effect of friction force, drive movable slider 28, movable slider 31 is more deeply fixed slide block 27, in fixing slide block 29, enter fixing slide block 27, fixing slide block 29 is darker, fixing slide block 27, fixing slide block 29 is to movable slider 28, the pressure that movable slider 31 produces is larger, 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 self-locking action that gravity factor produces under grab rope device 6 and be fixed on slow falling on rope 8, being fastened on the terraced cage of grabbing on rope device 6 is just fixed on slow fall on rope 8 and can not falls.

As shown in Figure 5, slow fall rope 59 and stretch out in descending lifeline 63, 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 in supporting construction 66, supporting construction 66 is fixed in rotating shaft 58, rotating shaft 58 is rotatable, in rotating shaft 58, be provided with the slow rope 60 that falls of a volume, it is slow that to fall the part that rope 60 pulls out descending lifeline 63 be the slow rope 59 that falls, above-mentioned descending lifeline 63 is arranged on floor below building and enters 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 building and coiling by be arranged on affiliated building building above the cantilever design top rotary table that is connected of agent structure change direction to downward-extension, above-mentioned to downward-extension slow fall rope 59 through be fixedly installed on the terraced cage of construction elevator grab rope device after fix on the ground, when normal, the above-mentioned rope device of grabbing can be enclosed within slow periphery of falling rope 59 and carries out lifting action, in the time constructing companion ladder generation stall or fall, the rope device of grabbing being arranged on terraced cage fastens the slow rope 59 that falls, ladder cage is pulled and is slowly fallen rope 60 from the interior extraction of descending lifeline 63 by the slow rope 59 that falls, above-mentionedly slow fall rope 60 and drive rotating shaft 58 to rotate, rotating shaft 58 drives magnet 61 and the magnet 62 in supporting construction 66 to rotate on metal ring track 65, due to magnet 61 and magnet 62 in rotation process at the interior generation of metal ring track 65 magnetic field eddy current, 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 pull slow rope 60 safety under the effect of descending lifeline 63 of falling to decline by the slow rope 59 that falls, another supporting construction 70 is connected with circular orbit 65 and circular orbit 65 is played a supportive role.

As shown in Figure 6, slow fall rope 59 and stretch out in descending lifeline 63, 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 in supporting construction, supporting construction is fixed in rotating shaft 58, rotating shaft 58 is rotatable, in rotating shaft 58, be provided with the slow rope 60 that falls of a volume, it is slow that to fall the part that rope 60 pulls out descending lifeline 63 be the slow rope 59 that falls, slow fall rope 59 and extend out from descending lifeline 63, in the time constructing companion ladder generation stall or fall, the rope device of grabbing being arranged on terraced cage fastens the slow rope 59 that falls, ladder cage is pulled and is slowly fallen rope 60 from the interior extraction of descending lifeline 63 by the slow rope 59 that falls, above-mentionedly slow fall rope 60 and drive rotating shaft 58 to rotate, rotating shaft 58 drives magnet 61 in supporting construction and the magnet of below correspondence to rotate on metal ring track 65, due in above-mentioned two magnet rotation processes at the interior generation of metal ring track 65 magnetic field eddy current, magnetic field eddy current hinders the rapid movement of two blocks of magnet, can make the speed of the magnet 61 of twirl and the magnet of below correspondence quickly fall to safety speed, cage just can pull slow rope 60 safety under the effect of descending lifeline 63 of falling to decline by the slow rope 59 that falls like this, 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 schematic diagram of grabbing rope device, in the time that 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 shell 86, insurance rope 8 is put into the internal void 7 of grabbing rope device 6, insurance rope 8 is through the internal void 7 of grabbing rope device 6, grab rope device 6 and comprise movable slider 28, movable slider 31, fixing slide block 27, fixing slide block 29, above-mentioned fixing slide block 27, fixing slide block 29 is fixed on the housing 86 of grabbing rope device 6, movable slider 28, movable slider 31 is slidably arranged on the housing 86 of grabbing rope device 6, insurance rope 8 is put into while grabbing rope device 6 top that fixing slide block 27 and fixing slide block 29 must be arranged on to terraced case, above-mentioned movable slider 28, movable slider 31 can upwards enter and insert fixing slide block 27, the fixing interior clamping safety rope of slide block 29 rope 8, on movable slider 28, be 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, on movable slider 31, be 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, fixing slide block 27 is provided with the slip plane 36 that is parallel to inclined-plane 37, fixing slide block 29 is provided with the slip plane 83 that is parallel to inclined-plane 38, movable slider 28, on the bottom surface of movable slider 31, be provided with Compress Spring 25 and Compress Spring 26, Compress Spring 25 and Compress Spring 26 promote two movable sliders and enter in fixing slide block 27 and fixing slide block 29 while upspringing, in the process advancing, because inserting, two on above-mentioned movable slider 28 cylindric protruding things are parallel in the grooved tracks on inclined-plane 37, two cylindric protruding things on 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 is very successfully advanced into fixing slide block 27, in fixing slide block 29, and at fixing slide block 27 to movable slider 28, when exerting pressure to movable slider 31, clamps fixing slide block 29 insurance rope 8, when Compress Spring 25 and Compress Spring 26 upspring make movable slider 28 and movable slider 31 slide into above-mentioned fixing slide block 27 and fixing slide block 29 interior after, produce pulling force upwards and under the effect of friction force, drive movable slider 28 because the Action of Gravity Field of construction elevator ladder case and downward motion make to insure rope 8, movable slider 31 more in depth upwards enters fixing slide block 27, in fixing slide block 29, enter fixing slide block 27, fixing slide block 29 is darker, fixing slide block 27, fixing slide block 29 by slip plane 36 and slip plane 83 to movable slider 28, the pressure that movable slider 31 produces is larger, 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 moving downward produces, be fastened on the terraced case of grabbing on rope device 6 be just fixed on insurance rope 8 on and can not fall.Also have, we can be at movable slider 28, on movable slider 31, be connected with stay cord upwards, stay cord upwards can be movable slider 28 under External Force Acting upwards, movable slider 31 draws in fixing slide block, above-mentioned stay cord upwards 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 adopt and make Compress Spring 25, Compress 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 above-mentioned fixing slide block 27, fix in slide block 29 and clamp insurance rope 8.Movable slider 28, movable slider 31 are plane near the one side 82 of insuring rope 8 as shown in Figure 5, and certain above-mentioned movable slider 28, movable slider 31 also can be designed to wave-like to increase and the friction force that insures rope 8 near the one side 82 of insurance rope 8.

As shown in Figure 8, Fig. 8 is the stravismus schematic diagram while grabbing the fastening insurance rope of rope device, movable slider 28, the compressed spring 25 of movable slider 31 and Compress Spring 26 are upspring and are advanced in fixing slide block 27 and fixing slide block 29, and at fixing slide block 29 to movable slider 31, when exerting pressure to movable slider 28, clamps fixing slide block 27 insurance rope 8, now the gravity of terraced case and the factor that moves downward make to insure rope 8 and produce pulling force upwards and under the effect of friction force, drive movable slider 28, movable slider 31 more deeply enters fixing slide block 27, in fixing slide block 29, enter fixing slide block 27, fixing slide block 29 is darker, fixing slide block 27, fixing slide block 29 is to movable slider 28, the pressure that movable slider 31 produces is larger, this has just produced the effect of self-locking, like this insurance rope 8 under the clamping of movable slider 28 and movable slider 31 and gravity factor produce self-locking action under grab rope device 6 be just fixed on insurance rope 8 on, the terraced case that is fastened on the construction elevator of grabbing on rope device 6 is just fixed on insurance rope 8 and can not falls.

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 on insurance rope 108 slave ladder casees 103 described in direction terraced case 103 belows 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 decline with safety speed under the effect of descending lifeline 93, above-mentionedly when normal grab the periphery that rope device 105 can be enclosed within insurance rope 108 and carry out lifting action, in construction elevator generation stall or while falling, the rope device 105 of grabbing being arranged on terraced case 103 fastens insurance rope 108, ladder case 103 pulls to delay by insurance rope 108 and falls rope from the interior extraction of descending lifeline 93, the above-mentioned slow rope that falls drives rotating shaft to rotate, rotating shaft drives the magnet in supporting construction to rotate on metal ring track, because magnet produces magnetic field eddy current in rotation process in metal ring track, 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 pull the slow rope safety under the effect of descending lifeline of falling to decline by insurance rope 108, 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, above-mentioned slow one end that falls rope 108 extends out from the descending lifeline 93 that is arranged on the second floor of building 88, the slow rope 108 that falls extends to rotating disk fixing on cantilever 110 109 places' backward upper extensions of coiling rotating disk 109 and is arranged on rotating disk 89, rotating disk 91, between the inner side of rotating disk 98 and building 88, the above-mentioned slow rope 108 that falls extends and changes direction by rotating disk 101 to terraced case 103 and extend through downwards and be arranged on grabbing rope device 105 and being fixed on the basis 111 on ground on terraced case 103 by being arranged on rotating disk 109 on cantilever 110 and changing that direction is upwards extended and changing direction by the rotating disk 98 on cantilever 97, the other slow rope 112 that falls of a volume that is provided with in basis 111, above-mentioned cantilever 97 has been bolted cant cantilever 102, on cant cantilever 102, be provided with rotating disk 101, when needing lift rail frame 107 and need make terraced case 103 rise height after building 88 upwards being constructed, in the position that needs hoisting depth, cantilever is set, above-mentioned cant cantilever 102 repeated usage that detachably gets off, for example on cantilever 97, dismantle on the cantilever 95 above being arranged on after lower cantalever support 102, rotating disk 96 is set on cantilever 95, then untie, unclamp the slow rope 108 that falls and be fixed on one end of basic 111, 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, then the slow rope 108 that falls of tension is fixed on basis 111, above-mentioned grab rope device 105 be enclosed within slow fall outside rope 108 can be on guide rail bracket 107 free lifting, start and grab rope device 105 and move when needed, 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 time, we can be after guide rail bracket 107 upwards promotes, cantilever and rotating disk are set on guide rail bracket up, above-mentioned cantilever and rotating disk are arranged on the top of grabbing rope device 105 on terraced case 103, then untie the slow rope 108 that falls and be fixed on one end of basic 111, utilize slow fall rope 112 extend vertical slow fall the length of rope 108 and entangle post-tensioning on the rotating disk that is just arranged on guide rail bracket top be tightly fixed on basis 111, above-mentioned grab rope device 105 be enclosed within slow fall outside rope 108 can be on guide rail bracket 107 free lifting, by such mode, we just can arrange independently anti-drop system on 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, on cantilever 92, be 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 rotating disk 91, if rotating disk 98 or cant cantilever 102 are pulled off when terraced case tenesmus, 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, above-mentioned slow one end that falls rope is connected on the bottom or intermediate floor of building, above-mentioned slow fall that rope upwards extends and change direction by rotating disk or runner or cylinder or rod iron extend through downwards and be arranged on grabbing rope device and being fixed on the suitable part in terraced cage below on terraced cage, ladder cage can promptly be fixed and slow fall rope and hover over aerial or terraced cage and can promptly fix and slowly fall rope and decline 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: described in grab rope device and comprise movable slider, fixing slide block, above-mentioned 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 enter to insert and in fixing slide block, clamp the slow rope that falls.

3. the anti-drop system of a kind of construction elevator as claimed in claim 2, is characterized in that: described movable slider has two, on the bottom surface of two movable sliders, is provided with Compress Spring, promotes two movable sliders and enter in fixing slide block when Compress Spring is upspring.

4. the anti-drop system of a kind of construction elevator as claimed in claim 2, is characterized in that: described movable slider is connected with stay cord, and stay cord can draw in movable slider in fixing 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: described movable slider is near the shape undulate shape of slow one side of falling rope.

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 descending lifeline, and above-mentioned damper or energy disperser or spring or descending lifeline are fixedly installed on bottom or 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 metal ring track, the surface of being close to metal ring track is provided with magnet, magnet is fixed in supporting construction, supporting construction is fixed in rotating shaft, rotating shaft can be rotated around bearing, is provided with the slow rope that falls described in a volume in rotating shaft, above-mentionedly slowly falls rope and under the effect of pulling force, drives rotating shaft to rotate and be with moving magnet to slide on 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 metal ring track, the two sides of being close to metal ring track is provided with magnet one and magnet two, magnet one and magnet two are fixed in supporting construction, supporting construction is fixed in rotating shaft, rotating shaft can be rotated around bearing, in rotating shaft, be provided with the slow rope that falls described in a volume, above-mentionedly slowly fall rope and under the effect of pulling force, drive rotating shaft to rotate and be with moving magnet one and magnet two to slide on metal ring track.

9. the anti-drop system of a kind of construction elevator as claimed in claim 6, is characterized in that: described metal ring track is provided with separates 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 wall-attached frame between beam or post or shear wall or guide rail bracket or guide rail bracket and the building of building or on the cantilever of the building of encorbelmenting.

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