CN203158960U - Construction hoist for building under construction - Google Patents

Abstract

A construction hoist for a building under construction comprises a guide rail frame, an elevator cage and a motor, wherein a falling protection system is arranged on the construction hoist, and comprises a rope grasping device and a safe rope; the safe rope extends from the above of the elevator cage to the below of the elevator cage, and is fixed at an appropriate position below the elevator cage; and the rope grasping device can tightly fix the safe rope.

Description

A kind of building hoist in building

Technical field

The application belongs to a kind of construction elevator field.

Background technology

Current construction safety problem in building frequently occurs, in work progress, must be combined with construction elevator building the building body engineering, construction elevator be building hoist 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, owing to be attached to the outside of building body, so also claim the external application elevator.In recent years, the high-building construction elevator uses more and more general, but because the product safety performance has certain gap with general man lift, the camp site working environment is relatively poor, unit in charge of construction's safety management work is not in place, also have supervisor to manage scarce capacity safely, 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 that the dead group of group hinders takes place.The reason of construction elevator ladder cage high falling comprises: after 1, guide rail bracket raises, block is not in time installed on upper limit travel switch block, the limit switch, terraced cage is rushed to summit behind the not timely flat bed of driver's maloperation, the tie bolt that causes the highest attached wall to put above guide rail bracket standard knot damages, guide rail bracket fracture back high falling; 2, falling protector malfunction, anti-falling safety device is important on a building hoist parts, rely on it to eliminate the generation of terraced cage falling accident, guarantee occupant's life security, but cause safety misadventure owing to a variety of causes often can not be worked falling protector, also do not have other anti-fall safety measure at present on the building hoist.

Summary of the invention

The application's purpose is for guaranteeing the construction safety in building, a kind of building hoist is provided, and this building hoist lost efficacy when falling at falling protector, still can prevent the falling of terraced cage of above-mentioned building hoist.

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

A kind of building hoist in building, described building hoist is provided with anti-drop system, described anti-drop system comprises grabs rope device, the insurance rope, the above-mentioned rope device of grabbing is fixed on the terraced cage of described building hoist, one side of above-mentioned insurance rope extends out from descending lifeline or retarder or spring device or damper or fixed end, the described terraced cage of above-mentioned insurance rope direction from the terraced cage below is extended and is arranged and be fixed on suitable position, terraced cage below, the above-mentioned rope device of grabbing can fasten above-mentioned insurance rope, one side of above-mentioned insurance rope is connected ground or bottom or the intermediate floor of suitable part as building, above-mentioned insurance rope changes direction by rotating disk or runner or cylinder or rod iron and extends upward or extend downwards and pass and be arranged on grabbing rope device and fix on the ground or build on the agent structure of below on the terraced cage, one side of above-mentioned insurance rope also can directly be connected 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 the fixed end of the top of the fixed end of top of building or guide rail bracket by spring or energy disperser or damper, the above-mentioned rope device of grabbing is enclosed within the outside of insurance rope and is fixedly connected on the 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 the shear wall fixed support structure or cant cantilever can be set, and in supporting construction or cant cantilever rotating disk is set, also having also has living space between scaffold and the 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 the terraced cage from cant cantilever, and the bottom of passing terraced cage again 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 fix on the ground on the terraced cage, after being fastened on the 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 to be directed downwards to extend through by rotating disk or runner or cylinder or rod iron and is arranged on grabbing rope device and fix on the ground on the 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 attached wall frame between beam or post or shear wall or guide rail bracket or guide rail bracket and the building or on the cant cantilever of the building of encorbelmenting.

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

Wherein, described movable slider has two, the bottom surface of two movable sliders is provided with the compression spring, the compression spring promotes two movable sliders when upspringing and enters fixedly in the slide block, movable slider is upspring the compression spring of grabbing the rope device to promote movable slider to enter fixedly in the slide block and is clamped the insurance rope by people control as by stay cord, movable slider also can start by sensor or mechanical device grabs the rope device and the compression spring is upspring or motor action or hydraulic stem action promote movable slider and enter fixedly in the slide block and clamp the insurance rope, also can be provided with pressing plate on the above-mentioned compression spring, pressing plate is connected with stay cord, the just rotatable pressing plate of pulling stay cord is removed the pressure of compression spring, allows the compression spring upspring.

Wherein, described movable slider is connected with stay cord, and stay cord can draw in movable slider fixedly in the slide block under external force, and stay cord can change direction by runner and extend and be arranged in the 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 the 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 the supporting construction, supporting construction is fixed in the rotating shaft, rotating shaft can be rotated around bearing, rotating shaft is provided with the slow rope that falls of a volume, the slow rope that falls drives under the effect of pulling force that rotating shaft is rotated and drive magnet slides on the surface of metal ring track, above-mentionedly slow fall the slow rope that falls that rope extends to form described insurance rope or described descending lifeline and be connected with described insurance rope, in fact can be that above-mentioned slow extension of falling rope is exactly described insurance rope, the slow rope that falls all adopts steel rope or wirerope with the insurance rope, described metal ring track is provided with and separates the crack in addition, also can not arrange to 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 the supporting construction, supporting construction is fixed in the rotating shaft, rotating shaft can be rotated around bearing, rotating shaft is provided with the slow rope that falls of a volume, slow fall that rope drives under the effect of pulling force that rotating shaft is rotated and drive magnet one and magnet two slide at the metal ring track, also has 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 two pairs group of magnets, every pair of group of magnets comprises two blocks of magnet that are symmetrical in the metal ring track, and above-mentioned group of magnets is fixed on the supporting construction, and supporting construction is fixed on rotating shaft or the cylinder, rotating shaft can be rotated around bearing, rotating shaft or cylinder are provided with the slow rope that falls of a volume, and the slow rope that falls drives rotating shaft or cylinder and rotates and drive above-mentioned group of magnets and rotate at the metal ring track under the effect of pulling force, and above-mentioned delaying falls rope and extend to form described insurance rope.

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

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 scheme drawing 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 scheme drawing of firmly grasping under the 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 scheme drawing of grabbing rope device of the embodiment of the present application 1.

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

The specific embodiment

As shown in Figure 1, a kind of building hoist, comprise guide rail bracket 9 and terraced cage 5, described building hoist 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 the 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 the cantilever 16 from the point of connection of spring 10 and changes directions and extend and extend through downwards by rotating disk 4 to terraced cage 5 and be arranged on grabbing rope device 6 and be fixed on the basis 12 on ground on the terraced cage 5, the basis 12 other volume insurance ropes 13 that are provided with, above-mentioned cantilever 16 is connected with cant cantilever 17 by bolt, cant cantilever 17 is provided with rotating disk 4, when building 1 upwards needs lift rail frame 9 after the construction and need make terraced cage 5 rise heights, in the position that needs hoisting depth cantilever is set, above-mentioned cant cantilever 17 repeated usage that detachably gets off, for example behind cantilever 16 dismounting lower cantalever supports 17, be installed on the cantilever 18, and at cantilever 18 rotating disk 19 is set, untie then, unclamp the end that insurance rope 8 is fixed in basis 12, utilize insurance rope 13 to extend the length of vertical insurance rope 8 and entangle rotating disk 19 and rise after cant cantilever 17 on rotating disk 4, be strained and fixed then on basis 12, above-mentioned grab rope device 6 be enclosed within can be on guide rail bracket 9 outside the 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 the guide rail bracket up, above-mentioned cantilever and rotating disk are arranged on the top of grabbing rope device 6 on the terraced cage 5, untie the end that insurance rope 8 is fixed in basis 12 then, utilize insurance rope 13 to extend the length of vertical insurance rope 8 and entangle that post-tensioning is tightly fixed on the basis 12 on the rotating disk that just is arranged on the guide rail bracket top, above-mentioned grab rope device 6 be enclosed within can be on guide rail bracket 9 outside the insurance rope 8 free lifting, by such mode, we just can arrange independently anti-drop system at terraced cage 5, and can adjust anti-drop system with the rising of guide rail bracket 9, cantilever 20 is provided with rotating disk 21 as shown in Figure 1, cantilever 22 is provided with rotating disk 23, multiple stopping when above-mentioned rotating disk 21 and rotating disk 23 also play terraced cage and fall.

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

As shown in Figure 3, under normal condition, grab rope device 6 and be arranged on 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, said fixing slide block 27, fixedly slide block 29 is fixed on the tank wall of terraced cage or grabs on the housing of rope device 6, movable slider 28, movable slider 31 is movably arranged on the tank wall of terraced cage or grabs on the housing of rope device 6, above-mentioned movable slider 28, movable slider 31 can insert fixedly slide block 27, fixedly clamp insurance rope 8 in the slide block 29, movable slider 28 is provided with cylindric protruding thing 50 and the cylindric protruding thing 51 that is parallel to inclined-plane 37, movable slider 31 is provided with cylindric protruding thing 52 and the cylindric protruding thing 53 that is parallel to inclined-plane 38, above-mentioned cylindric protruding thing 50 and cylindric protruding thing 51 insert and are parallel in the grooved tracks on inclined-plane 37, above-mentioned cylindric protruding thing 52 and cylindric protruding thing 53 insert and are parallel in the grooved tracks on inclined-plane 38, grooved tracks is arranged on the tank wall of terraced cage or grabs on the housing of rope device 6, fixedly slide block 27 is provided with the slip plane 36 that is parallel to inclined-plane 37, fixedly slide block 29 is provided with the slip plane 35 that is parallel to inclined-plane 38, movable slider 28, the bottom surface of movable slider 31 is provided with compression spring 25 and compression spring 26, compression spring 25 and compression spring 26 promote when upspringing that two movable sliders enter fixedly slide block 27 and fixedly in the slide block 29, in the process that advances, because above-mentioned cylindric protruding thing 50 and cylindric protruding thing 51 insert and are parallel in the grooved tracks on inclined-plane 37, above-mentioned cylindric protruding thing 52 and cylindric protruding thing 53 insert and are parallel in the grooved tracks on inclined-plane 38, movable slider 28 under the constraint of above-mentioned grooved tracks, movable slider 31 very successfully is advanced into fixedly slide block 27, fixedly in the slide block 29, and at fixing 27 pairs of movable sliders 28 of slide block, fixing 29 pairs of movable sliders 31 of slide block, clamped insurance rope 8 when exerting pressure, this moment, gravity and the downward motion of terraced cage made insurance rope 8 produce pulling force upwards and drive movable slider 28 under the effect of friction force, movable slider 31 more in depth enters fixedly slide block 27, fixedly in the slide block 29, enter fixedly slide block 27, fixedly slide block 29 is more dark, fixedly slide block 27, fixedly slide block 29 is by slip plane 36 and 35 pairs of movable sliders 28 of slip plane, the pressure that movable slider 31 produces is more big, this has just produced the effect of self-locking, insurance rope 8 is under the clamping of movable slider 28 and movable slider 31 and gravity factor like this, under the self-locking action that the factor that moves downward produces, be fastened on the terraced cage of grabbing on the rope device 6 and can not fall with regard to being fixed on the insurance rope 8.Also have, we can be connected with stay cord upwards at movable slider 28, movable slider 31, stay cord upwards can draw in movable slider 28, movable slider 31 fixedly in the slide block under external force, the above-mentioned stay cord that makes progress can enter terraced case by runner or terraced cage provides use, and movable slider 28, movable slider 31 also can start by sensor or mechanical device grabs the rope device and the compression spring is upspring or motor action or hydraulic stem action promote above-mentioned movable slider and enter in the said fixing slide block and clamp 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 springs 25 of movable slider 31 and compression spring 26 are upspring and are advanced into fixedly slide block 27 and fixedly in the slide block 29, and at fixing 29 pairs of movable sliders 31 of slide block, clamped insurance rope 8 when fixedly 27 pairs of movable sliders 28 of slide block are exerted pressure, the gravity of terraced cage makes insurance rope 8 produce pulling force upwards and drive movable slider 28 under the effect of friction force with the factor that moves downward at this moment, movable slider 31 is more fixing slide block 27, fixedly in the slide block 29, enter fixedly slide block 27, fixedly slide block 29 is more dark, fixedly slide block 27, fixing 29 pairs of movable sliders 28 of slide block, the pressure that movable slider 31 produces is more big, this has just produced the effect of self-locking, 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 the insurance rope 8 like this, is fastened on the terraced cage of grabbing on the rope device 6 and can not fall with regard to being fixed on the 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 the supporting construction 66, supporting construction 66 is fixed in the rotating shaft 58, rotating shaft 58 is rotatable, rotating shaft 58 is provided with the slow rope 60 that falls of a volume, the slow rope 60 that falls is pulled out the part of descending lifeline 63 for insuring rope 59, above-mentioned descending lifeline 63 is arranged at floor below the building to go 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 the building and coiling by be arranged on affiliated building building above the cantilever design top rotary table that is connected of agent structure change and be directed downwards extension, the insurance rope 59 of above-mentioned downward extension pass on the terraced cage that is fixedly installed on construction elevator grab rope device after fix on the ground, just often above-mentioned grab rope device can be enclosed within the insurance rope 59 periphery carry out lifting action, in construction companion ladder generation stall or when falling, the rope device of grabbing that is arranged on the terraced cage fastens insurance rope 59, the ladder cage is extracted out in descending lifeline 63 by the slow rope 60 that falls of insurance rope 59 pullings, the above-mentioned slow rope 60 that falls drives rotating shaft 58 rotations, magnet 61 and magnet 62 that rotating shaft 58 drives on the supporting construction 66 rotate at metal ring track 65, because magnet 61 and magnet 62 produce the magnetic field eddy current in metal ring track 65 in rotation process, the magnetic field eddy current hinders the rapid movement of magnet 61 and magnet 62, can make the magnet 61 of twirl and the speed of magnet 62 quickly fall to safety speed, so terraced cage just can descend by slow rope 60 safety under the effect of descending lifeline 63 of falling of insurance rope 59 pullings, and supporting construction 70 is connected with circular orbit 65 and circular orbit 65 is played a supportive role in addition.

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

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

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

Claims (10)

1. building hoist in building, comprise guide rail bracket, terraced cage, it is characterized in that: described building hoist is provided with anti-drop system, described anti-drop system comprises grabs rope device, insurance rope, the described terraced cage of above-mentioned insurance rope direction from the terraced cage below is extended and is arranged and be fixed on suitable position, terraced cage below, and the above-mentioned rope device of grabbing can fasten above-mentioned insurance rope.

2. a kind of building hoist in building as claimed in claim 1 is characterized in that: have descending lifeline or retarder or spring device or damper or fixed end to be arranged on the top floor of building or the supporting construction that is connected and fixed with the building top on.

3. a kind of building hoist in building as claimed in claim 1, it is characterized in that: have descending lifeline or retarder or spring device or damper or fixed end to be arranged on bottom or the intermediate floor of described building, above-mentioned insurance rope extends upward and extends downwards by rotating disk or runner or cylinder or rod iron.

4. a kind of building hoist in building as claimed in claim 1, it is characterized in that: the described rope device of grabbing comprises movable slider, fixing slide block, the said fixing slide block is fixed on the tank wall of terraced cage or grabs on the housing of rope device, movable slider is movably arranged on the tank wall of terraced cage or grabs on the housing of rope device and be in the fixedly below of slide block, and above-mentioned movable slider can insert fixedly and clamp the insurance rope in the slide block.

5. a kind of building hoist in building as claimed in claim 4, it is characterized in that: described movable slider has two, and the bottom surface of two movable sliders is provided with the compression spring, and the compression spring promotes two movable sliders and enters fixedly in the slide block when upspringing.

6. a kind of building hoist in 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 the slide block under external force.

7. a kind of building hoist in 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. a kind of building hoist in 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 the intermediate floor.

9. a kind of building hoist in 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 the supporting construction, supporting construction is fixed in the rotating shaft, and rotating shaft is rotatable, and rotating shaft is provided with the slow rope that falls of a volume, the slow rope that falls drives rotating shaft and rotates and drive magnet and slide on the surface of metal ring track under the effect of pulling force, above-mentioned delaying falls rope and extend to form described insurance rope.

10. a kind of building hoist in 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 the supporting construction, supporting construction is fixed in the rotating shaft, rotating shaft is rotatable, rotating shaft is provided with the slow rope that falls of a volume, the slow rope that falls drives rotating shaft and rotates and drive magnet one and magnet two slides at the metal ring track under the effect of pulling force, above-mentioned delaying falls rope and extend to form described insurance rope.

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