CN103112765A

CN103112765A - Falling prevention system of construction elevator in building

Info

Publication number: CN103112765A
Application number: CN 201210506543
Authority: CN
Inventors: 吴旭榕
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-12-03
Filing date: 2012-12-03
Publication date: 2013-05-22

Abstract

The invention discloses a falling prevention system of a construction elevator in a building. The falling prevention system comprises a rope catching device and one or more than one security rope, wherein the rope catching device is fixedly mounted on a cage of the construction elevator, one end of the security rope extends out of a descent control device or a speed reducer or a spring mechanism or a damper or a fixed end, the security rope comprises a segment which is arranged from a position above the cage to a position under the cage in an extending mode and fixed at an appropriate position under the cage, and the rope catching device can fasten the security rope to enable the security rope to suspend in the air, or can fasten the security rope to enable the security rope to fall at a safe speed under the action of the descent control device.

Description

A kind of anti-drop system of construction elevator of building

Technical field

The application belongs to a kind of anti-fall technology of construction elevator.

Background technology

Current construction safety problem in building frequently occurs, must be combined with construction elevator in work progress building the building body engineering, construction elevator be construction elevator guide rail bracket by support be connected and fixed in the agent structure of building, construction elevator is done vertical transport and is used in building operation, it is the dual-purpose elevator of people's goods of delivery personnel and material, due to the outside that is attached to building body, so also claim external 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 management of safe operation is not in place, also have supervisor's Safety Supervision scarce capacity, cause 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 in time installed, after the not timely flat bed of driver's maloperation, terraced cage is rushed to summit, cause the tie bolt of the above guide rail bracket standard knot of the highest attached wall point to damage, high falling after the guide rail bracket fracture; 2, falling protector malfunction, anti-falling safety device is parts important on construction elevator, rely on it to eliminate the generation of terraced cage falling accident, guarantee occupant's life security, but cause safety misadventure because a variety of causes often can not be worked falling protector, also there is no at present other safe fall-proof measure on construction elevator.

Summary of the invention

The application's purpose is for guaranteeing the construction safety in building, loses efficacy when falling at existing construction elevator, still can prevent the falling or rush to summit of terraced cage of construction elevator.

For achieving the above object, the application adopts following technical scheme:

a kind of anti-drop system of construction elevator of building, described anti-drop system comprises grabs rope device, one or more insurance rope, the above-mentioned rope device of grabbing is fixed on the terraced cage of described construction elevator, one side of above-mentioned insurance rope extends out from descending lifeline or retarder or spring device or damper or fixed end, the insurance rope comprises that on the slave ladder cage, the described terraced cage of direction below is extended a section of arranging and is fixed on suitable position, terraced cage below, the above-mentioned rope device of grabbing can fasten above-mentioned insurance rope and hovers over the aerial or above-mentioned rope device of grabbing and can fasten above-mentioned insurance rope and descend with safety speed under the effect of above-mentioned descending lifeline, above-mentioned safety speed refers to the acceptable safe descending speed of human body, refer generally to be not more than the descending speed of 2 meters of per seconds, the structure of above-mentioned descending lifeline can be amplified and improve afterwards and adopt with reference to the structure of existing descending lifeline, also can be according to prior art and real space redesign, one side of above-mentioned insurance rope is connected to ground or bottom or the intermediate floor of suitable part as building, above-mentioned insurance rope changes by rotating disk or runner or cylinder or rod iron that direction extends upward or to downward-extension and pass and be arranged on grabbing rope device and fixing on the ground or build on the agent structure of below on terraced cage, one side of above-mentioned insurance rope also can directly be connected to the fixed end of the top of the fixed end of top of building or guide rail bracket, one side of above-mentioned insurance rope also can be connected to by spring or energy disperser or damper the fixed end of the top of the fixed end of top of building or guide rail bracket, the above-mentioned rope device of grabbing is enclosed within the outside of insurance rope and is fixedly connected on terraced cage and can passes through the guide rail bracket free lifting, after the rope device action is grabbed in startup when needed, the ladder cage is promptly fixed the insurance rope by grabbing rope device, the insurance rope can prevent that terraced cage from dropping or terraced cage is rushed to summit, space in the existing scaffold that arranges between the terraced cage of building and elevator can provide the space of arranging vertical insurance rope and the space of arranging supporting construction or cant cantilever, on the post of building or beam or floor face or shear wall, fixed support structure or cant cantilever can be set, and on supporting construction or cant cantilever, rotating disk is set, also having also has living space between scaffold and guide rail bracket provides the space that supporting construction or cant cantilever and vertical layout insurance rope are set, design plan design cant cantilever is above terraced cage in addition, the insurance rope extends through the top of terraced cage downwards and passes the rope device of grabbing that is arranged in terraced cage from cant cantilever, the bottom of passing again terraced cage is fixedly connected on downwards on the basis on ground.

Wherein, described descending lifeline or retarder or spring device or damper or fixed end be arranged on the top floor of building or the supporting construction that is connected and fixed with building top on, above-mentioned insurance rope extends through downwards and is arranged on grabbing rope device and fixing on the ground on terraced cage, after being fastened on ground, extends by described insurance rope a volume insurance rope, when terraced cage need raise, can unclamp the insurance rope that fixes on the ground and pull out one section insurance rope and be used for extending the length of vertical insurance rope, and then be connected and fixed on the ground or on the basis on ground.

wherein, described descending lifeline or retarder or spring device or damper or fixed end are arranged on bottom or the intermediate floor of described building, above-mentioned insurance rope extends upward and changes direction by rotating disk or runner or cylinder or rod iron and extends through downwards and be arranged on grabbing rope device and fixing on the ground on terraced cage, if above-mentioned insurance rope can not directly extend upward and can change direction by rotating disk or runner or cylinder or rod iron and extend upward, described rotating disk or runner or cylinder or rod iron are arranged on the floor of building or the wall-attached frame between beam or post or shear wall or guide rail bracket or guide rail bracket and building or on the cant cantilever of the building of encorbelmenting.

Wherein, the described rope device of grabbing comprises movable slider, fixing slide block, above-mentioned fixedly 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 be in the fixedly below of slide block, and above-mentioned movable slider can enter and insert fixedly clamping safety rope rope in slide block.

wherein, described movable slider has two, be provided with Compress Spring on the bottom surface of two movable sliders, promoting two movable sliders when Compress Spring is upspring enters fixedly in slide block, movable slider is controlled by the people as the Compress Spring of grabbing the rope device is upspring promote movable slider to enter fixedly in slide block and clamp the insurance rope by stay cord, movable slider also can start by sensor or mechanical device grabs the rope device and Compress Spring is upspring or motor action or hydraulic stem action promote movable slider and enter fixedly in slide block and clamp the insurance rope, also can be provided with pressing plate on above-mentioned Compress Spring, pressing plate is connected with stay cord, pull the just rotatable pressing plate of stay cord to remove the pressure of Compress Spring, allow Compress Spring upspring.

Wherein, described movable slider is connected with stay cord, and stay cord can draw in movable slider fixedly in slide block under external force, and stay cord can change direction by runner and extends and be arranged in terraced cage.

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

Wherein, one side described insurance rope be connected in descending lifeline or retarder or spring device or fixed end, descending lifeline or retarder or spring device or fixed end are arranged on bottom or intermediate floor.

wherein, described descending lifeline comprises the metal ring track, be close to the metal ring raceway surface and be provided with magnet, magnet is fixed on supporting construction, supporting construction is fixed in rotating shaft, rotating shaft can be rotated around bearing, be provided with the slow rope that falls of a volume in rotating shaft, the slow rope that falls rotates and slides on the surface of metal ring track with moving magnet in drive rotating shaft under the effect of pulling force, the slow rope that falls of descending lifeline is connected with described insurance rope, in fact can be that slow extension of falling rope is exactly described insurance rope, above-mentionedly slow fall rope and extend to form above-mentioned insurance rope, the slow rope that falls all adopts steel rope or wirerope with the insurance rope, another described metal ring track is provided with separates the crack, also can not arrange and separate the crack.

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 supporting construction, supporting construction is fixed in rotating shaft, rotating shaft can be rotated around bearing, be provided with the slow rope that falls of a volume in rotating shaft, the slow rope that falls rotates and is with moving magnet one and magnet two to slide on the metal ring track in drive rotating shaft under the effect of pulling force, also has design plan, 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 the group of magnets of two pairs, 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 supporting construction, supporting construction is fixed on rotating shaft or cylinder, rotating shaft can be rotated around bearing, be provided with the slow rope that falls of a volume on rotating shaft or cylinder, the slow rope that falls rotates and drives above-mentioned group of magnets and rotate on the metal ring track driving rotating shaft or cylinder under the effect of pulling force, above-mentionedly slow fall rope and extend to form above-mentioned insurance rope.

the application's beneficial effect: after the technical scheme of the anti-drop system of the construction elevator of the above-mentioned a kind of building of employing, because being provided with, described terraced cage grabs the rope device, one end of above-mentioned insurance rope is connected to ground or suitable part, as on the basis of ground floor of building or on the structures such as the beam of intermediate floor or post, above-mentioned insurance rope by being fixed on the building outside beam or the rotating disk on the cantilever on post or runner or cylinder or rod iron change that direction extends upward and change direction by the rotating disk on the cantilever that is arranged on the building top or runner or cylinder or rod iron extends through downwards and be arranged on grabbing rope device and fixing on the ground on terraced cage, above-mentioned grab rope device be enclosed within insurance rope periphery can be on guide rail bracket free lifting, the rope device of grabbing that above-mentioned like this safety rope hitch closes on terraced cage has just formed another drop preventer independently falling protector on original construction elevator, 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 insurance rope by grabbing rope device, prevented 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 pull end that is subjected to of above-mentioned insurance rope, be used for avoiding suddenly stopping uncomfortable sensation or the injury that terraced cage brings to the 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 the metal ring track in conjunction with the scheme of permanent magnet, effect is more outstanding, be provided with magnet owing to being close to the metal ring raceway surface, magnet is fixed on supporting construction, supporting construction is fixed in rotating shaft, rotating shaft is rotatable, be provided with a volume insurance rope in rotating shaft, the insurance rope rotates and slides on the surface of metal ring track with moving magnet in drive rotating shaft under the effect of the pulling force of terraced cage, produce the magnetic field eddy current in the metal ring track in rotation process due to magnet, 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 insurance rope safety under the effect of descending lifeline, 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.After adopting technique scheme, be to entangle terraced cage downwards because the safety rope hitch closes cant cantilever, that is to say when terraced cage is upwards rushed to summit, can be insured rope and cant cantilever are held downwards, and this has also just increased another road safety curtain for stoping terraced cage to be rushed to summit.Also have, the principle that the anti-drop system that the application adopts and existing falling protector adopt is distinct, it can adopt by the people and control as the Compress Spring of grabbing the rope device upspring promote movable slider to enter fixedly in slide block and clamp the insurance rope by stay cord, or starts by sensor or mechanical device and grab the rope device and Compress Spring is upspring or motor action or hydraulic stem action promotion movable slider enter fixedly in slide block and clamp the insurance rope.another beneficial effect of the application 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 to be provided with scaffold between the terraced cage of existing building and elevator, space in scaffold can provide the space of vertical layout insurance rope, on the post of building or beam or floor face or shear wall, cantilever mounted support or supporting construction can be set, and on cant cantilever or supporting construction, rotating disk is set, also having also has living space to provide between scaffold and guide rail bracket arranges cant cantilever or supporting construction, the vertical space of arranging the insurance rope, cant cantilever or supporting construction are to depend on the beam that is fixed on the 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 of construction elevator, thereby it can automatic or manual operation start when the falling protector of former construction elevator lost efficacy grabs rope device and the second fall arrest protection that allows terraced cage be fixed on to have played existing construction elevator fall arrest on the insurance rope, certainly we also can principle according to the present invention arrange the second cover anti-drop system, the 3rd cover or the anti-drop system of more covers even, so just can play to the terraced cage of construction elevator the multiple drop-proof protection.

Description of drawings

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

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

Fig. 3 is the schematic diagram of device under normal condition of restricting of grabbing of the embodiment of the present application 1.

Fig. 4 is that grabbing of the embodiment of the present application 1 restricted device at the schematic diagram of firmly grasping under safety rope strand attitude.

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

Fig. 6 is the schematic top plan view of the descending lifeline of the embodiment of the present application 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 the time the stravismus schematic diagram.

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, insurance rope 8, rotating disk 2, rotating disk 4, described terraced cage 5 is provided with grabs rope device 6, one end of above-mentioned insurance rope 8 is connected on spring 10 fixing on the cantilever 11 of building 1 the second layer, above-mentioned insurance rope 8 extends upward by being arranged on rotating disk 2 on 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 being fixed on the basis 12 on ground on terraced cage 5, the other volume insurance rope 13 that is provided with in basis 12, above-mentioned cantilever 16 has been bolted cant cantilever 17, be provided with rotating disk 4 on cant cantilever 17, when needing lift rail frame 9 and need make terraced cage 5 rise height after building 1 upwards constructed, in the position that needs hoisting depth, cantilever is set, above-mentioned cant cantilever 17 repeated usage that detachably gets off, for example be arranged on cantilever 18 after dismounting lower cantalever support 17 on cantilever 16, and rotating disk 19 is set on cantilever 18, then untie, unclamp the end that insurance rope 8 is fixed in basis 12, utilize insurance rope 13 to extend the length of vertical insurance ropes 8 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 can be on guide rail bracket 9 outside insurance rope 8 free lifting, start when needed and grab rope device 6 actions, ladder cage 5 is promptly fixed insurance rope 8 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 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 end that insurance rope 8 is fixed in basis 12, utilize insurance rope 13 to extend the length of vertical insurance ropes 8 and entangle that on the rotating disk that just is arranged on the guide rail bracket top, post-tensioning is tightly fixed on basis 12, above-mentioned grab rope device 6 be enclosed within can be on guide rail bracket 9 outside insurance rope 8 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, be provided with rotating disk 23 on cantilever 22, 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, be provided with terraced cage 5 and terraced cage 56 on guide rail bracket 9, ladder cage 56 is ignored not expression in accompanying drawing 1, one end of insurance rope 8 is connected on spring fixing on the cantilever of building 1 the second layer, above-mentioned insurance rope 8 extends upward by being arranged on rotating disk 2 on 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 being fixed on the basis on ground on terraced cage 5, above-mentioned cantilever 16 has been bolted cant cantilever 17, be provided with rotating disk 4 on cant cantilever 17.

as shown in Figure 3, under normal condition, grab rope device 6 and be arranged on the periphery of insuring rope 8, 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, above-mentioned fixedly 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 enter and insert fixedly slide block 27, the fixing interior clamping safety rope of slide block 29 rope 8, be provided with the cylindric protruding thing 50 and the cylindric protruding thing 51 that are parallel to inclined-plane 37 on movable slider 28, be provided with the cylindric protruding thing 52 and the cylindric protruding thing 53 that are parallel to inclined-plane 38 on movable slider 31, 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, be provided with Compress Spring 25 and Compress Spring 26 on the bottom surface of movable slider 31, when upspringing, Compress Spring 25 and Compress Spring 26 promote that two movable sliders enter fixedly slide block 27 and fixedly in slide block 29, in the process that advances, 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 very successfully is advanced into fixedly slide block 27, fixedly in 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 insurance rope 8 when exerting pressure, gravity and the downward motion of terraced cage made insurance rope 8 produce pulling force upwards and drive movable slider 28 under the effects of friction force this moment, movable slider 31 more in depth enters fixedly slide block 27, fixedly in slide block 29, enter fixedly slide block 27, fixedly slide block 29 is darker, 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 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 that moves downward produces, being fastened on the terraced cage of grabbing on rope device 6 can not fall with regard to being fixed on insurance rope 8.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 fixedly in 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 Compress Spring is upspring or motor action or hydraulic stem action promote above-mentioned movable slider and enter in above-mentioned fixedly slide block and clamp insurance rope 8.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 spring 25 of movable slider 31 and Compress Spring 26 are upspring and are advanced into fixedly slide block 27 and fixedly in 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 cage made insurance rope 8 produce pulling force upwards and drive movable slider 28 under the effect of friction force with the factor that moves downward this moment, movable slider 31 is more fixing slide block 27, fixedly in slide block 29, enter fixedly slide block 27, fixedly slide block 29 is darker, fixedly slide block 27, fixing 29 pairs of movable sliders 28 of slide block, 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 grab rope device 6 under the self-locking action that produces of gravity factor and be fixed on insurance rope 8 like this, being fastened on the terraced cage of grabbing on rope device 6 can not fall with regard to being fixed on insurance rope 8.

as shown in Figure 5, insurance rope 59 stretches 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 on supporting construction 66, supporting construction 66 is fixed in rotating shaft 58, rotating shaft 58 is rotatable, be provided with the slow rope 60 that falls of a volume in rotating shaft 58, the slow rope 60 that falls is pulled out the part of descending lifeline 63 for insuring rope 59, above-mentioned descending lifeline 63 is arranged at floor below building to enter on the flooring of ground floor or the second layer, insurance 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 insurance rope 59 to downward-extension pass on the terraced cage that is fixedly installed on construction elevator grab rope device after fix on the ground, above-mentionedly when normal grab the periphery that rope device can be enclosed within insurance rope 59 and carry out lifting action, in construction companion ladder generation stall or when falling, the rope device of grabbing that is arranged on terraced cage fastens insurance rope 59, the ladder cage pulls to delay by insurance rope 59 and falls rope 60 from the interior extraction of descending lifeline 63, the above-mentioned slow rope 60 that falls drives rotating shaft 58 rotations, magnet 61 and magnet 62 that rotating shaft 58 drives on supporting construction 66 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, 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 pull slow rope 60 safety under the effect of descending lifeline 63 of falling to descend by insurance rope 59, another supporting construction 70 is connected with circular orbit 65 and circular orbit 65 is played a supportive role.

as shown in Figure 6, insurance rope 59 stretches 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 on supporting construction, supporting construction is fixed in rotating shaft 58, rotating shaft 58 is rotatable, be provided with the slow rope 60 that falls of a volume in rotating shaft 58, the slow rope 60 that falls is pulled out the part of descending lifeline 63 for insuring rope 59, insurance rope 59 extends out from descending lifeline 63, in construction companion ladder generation stall or when falling, the rope device of grabbing that is arranged on terraced cage fastens insurance rope 59, the ladder cage pulls to delay by insurance rope 59 and falls rope 60 from the interior extraction of descending lifeline 63, the above-mentioned slow rope 60 that falls drives rotating shaft 58 rotations, magnet 61 on rotating shaft 58 drive supporting constructions and the magnet of below correspondence 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, 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 pull slow rope 60 safety under the effect of descending lifeline 63 of falling to descend by insurance rope 59 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, when rope device 6 is grabbed in use, the shell 86 of grabbing rope device 6 is fixed on the sidewall of terraced cage 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 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, above-mentioned fixedly 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 cage, above-mentioned movable slider 28, movable slider 31 can upwards enter and insert fixedly slide block 27, the fixing interior clamping safety rope of slide block 29 rope 8, be provided with two cylindric protruding things that are parallel to inclined-plane 37 on movable slider 28, above-mentioned two cylindric protruding things insert and are parallel in the grooved tracks on inclined-plane 37, be provided with two cylindric protruding things that are parallel to inclined-plane 38 on movable slider 31, 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, be provided with Compress Spring 25 and Compress Spring 26 on the bottom surface of movable slider 31, when upspringing, Compress Spring 25 and Compress Spring 26 promote that two movable sliders enter fixedly slide block 27 and fixedly in slide block 29, in the process that advances, 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 very successfully is advanced into fixedly slide block 27, fixedly in 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 Compress Spring 25 and Compress Spring 26 upspring make movable slider 28 and movable slider 31 slide into above-mentioned fixedly slide block 27 and fixedly slide block 29 interior after, because Action of Gravity Field and the downward motion of construction elevator ladder cage makes insurance rope 8 produce pulling force upwards and drive movable slider 28 under the effect of friction force, movable slider 31 more in depth upwards enters fixedly slide block 27, fixedly in slide block 29, enter fixedly slide block 27, fixedly slide block 29 is darker, 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 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 that moves downward produces, being fastened on the terraced cage of grabbing on rope device 6 can not fall with regard to being fixed on insurance rope 8.also have, we can be at movable slider 28, be connected with stay cord upwards on movable slider 31, stay cord upwards can be movable slider 28 under the External Force Acting that makes progress, movable slider 31 draws in fixedly in 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 adopt and make Compress Spring 25, Compress Spring 26 is upspring or motor action or hydraulic stem action or the above-mentioned movable slider 28 of pneumatic action promotion, movable slider 31 enters above-mentioned fixedly slide block 27, fixedly in 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 schematic diagram when 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 into fixedly slide block 27 and fixedly in 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 cage made insurance rope 8 produce pulling force upwards and drive movable slider 28 under the effect of friction force with the factor that moves downward this moment, movable slider 31 more deeply enters fixedly slide block 27, fixedly in slide block 29, enter fixedly slide block 27, fixedly slide block 29 is darker, fixedly slide block 27, fixing 29 pairs of movable sliders 28 of slide block, 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 grab rope device 6 under the self-locking action that produces of gravity factor and just be fixed on insurance rope 8 like this, the terraced cage that is fastened on the construction elevator of grabbing on rope device 6 can not fall with regard to being fixed on 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 construction elevator, 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 the described terraced case of direction 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 descend 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 when falling, the rope device 105 of grabbing that is 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 the rotating shaft rotation, the magnet that rotating shaft drives on supporting construction rotates on the metal ring track, produce the magnetic field eddy current in the metal ring track in rotation process due to magnet, 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 pull the slow rope safety under the effect of descending lifeline of falling to descend 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, an above-mentioned slow end that falls rope 108 extends out from the descending lifeline 93 of the second floor of being arranged on 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 inboard of rotating disk 98 and building 88, the above-mentioned slow rope 108 that falls extends and changes directions 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 directions extend upward and changing directions 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, be provided with rotating disk 101 on cant cantilever 102, when needing lift rail frame 107 and need make terraced case 103 rise height after building 88 upwards 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 the cantilever 95 above being arranged on after dismounting lower cantalever support 102 on cantilever 97, and rotating disk 96 is set on cantilever 95, then untie, 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, 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 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 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 end that rope 108 is fixed in basis 111 that falls, utilize the slow rope 112 that falls to extend and vertically slowly fall the length of rope 108 and entangle that on the rotating disk that just is arranged on the guide rail bracket top, post-tensioning is 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, be provided with rotating disk 91 on cantilever 92, 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 during terraced case tenesmus, rotating disk 98 or cant cantilever 102 are broken, 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

1. the anti-drop system of the construction elevator of a building, it is characterized in that: described anti-drop system comprises grabs rope device, one or more insurance rope, the above-mentioned rope device of grabbing is fixed on the terraced cage of described construction elevator, one side of above-mentioned insurance rope extends out from descending lifeline or retarder or spring device or damper or fixed end, the insurance rope comprises that on the slave ladder cage, the described terraced cage of direction below is extended a section of arranging and is fixed on suitable position, terraced cage below, the above-mentioned rope device of grabbing can fasten above-mentioned insurance rope and hovers over the aerial or above-mentioned rope device of grabbing and can fasten above-mentioned insurance rope and descend with safety speed under the effect of above-mentioned descending lifeline.

2. the anti-drop system of the construction elevator of a kind of building as claimed in claim 1 is characterized in that: described descending lifeline or retarder or spring device or damper or fixed end be arranged on the top floor of building or the supporting construction that is connected and fixed with the building top on.

3. the anti-drop system of the construction elevator of a kind of building as claimed in claim 1, it is characterized in that: described descending lifeline or retarder or spring device or damper or fixed end are arranged on bottom or the intermediate floor of described building, and above-mentioned insurance rope extends upward and passes through rotating disk or runner or cylinder or rod iron to downward-extension.

4. the anti-drop system of the construction elevator of a kind of building as claimed in claim 1, it is characterized in that: the described rope device of grabbing comprises movable slider, fixing slide block, above-mentioned fixedly 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 be in the fixedly below of slide block, and above-mentioned movable slider can enter and insert fixedly clamping safety rope rope in slide block.

5. the anti-drop system of the construction elevator of a kind of building as claimed in claim 4, it is characterized in that: described movable slider has two, be provided with Compress Spring on the bottom surface of two movable sliders, promote two movable sliders when Compress Spring is upspring and enter fixedly in slide block.

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

7. the anti-drop system of the construction elevator of a kind of building as claimed in claim 4, is characterized in that: the shape undulate shape of the one side of the close insurance of described movable slider rope.

8. the anti-drop system of the construction elevator of a kind of building as claimed in claim 1, it is characterized in that: one side described insurance rope be connected in descending lifeline or retarder or spring device or fixed end, descending lifeline or retarder or spring device or fixed end are arranged on bottom or intermediate floor.

9. the anti-drop system of the construction elevator of a kind of building as claimed in claim 8, it is characterized in that: described descending lifeline comprises the metal ring track, be close to the metal ring raceway surface and be provided with magnet, magnet is fixed on supporting construction, supporting construction is fixed in rotating shaft, rotating shaft is rotatable, is provided with the slow rope that falls of a volume in rotating shaft, and the slow rope that falls rotates and slides on the surface of metal ring track with moving magnet in drive rotating shaft under the effect of pulling force.

10. the anti-drop system of the construction elevator of a kind of building as claimed in claim 8, 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 supporting construction, supporting construction is fixed in rotating shaft, rotating shaft is rotatable, is provided with the slow rope that falls of a volume in rotating shaft, and the slow rope that falls rotates and be with moving magnet one and magnet two to slide on the metal ring track in drive rotating shaft under the effect of pulling force.