CN102992142A

CN102992142A - Building under construction

Info

Publication number: CN102992142A
Application number: CN 201210509510
Authority: CN
Inventors: 吴旭榕
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-12-03
Filing date: 2012-12-03
Publication date: 2013-03-27

Abstract

The invention relates to a building under construction, comprising a construction lift beside the building under construction. The construction lift comprises a guide rail bracket and a ladder cage and is provided with an anti-fall system; the anti-fall system comprises a rope catching device and a secure rope; the rope catching device is arranged on the ladder cage of the construction lift; one end of the secure rope is connected to a bottom layer or an intermediate floor of the building, and the secure rope extends upward and changes direction by virtue of a rotary table, a turning wheel, a roller or a steel bar to extend downward to pass through the rope catching device on the ladder cage to be fixed at an appropriate part below the ladder cage; and the ladder cage can catch and fix the secure rope by virtue of the rope catching device.

Description

A kind of in building

Technical field

The invention belongs to the construction in process field.

Background technology

Construction elevator refers to do vertical transport and uses in building building operation, the dual-purpose elevator of people's goods of delivery personnel and material, owing to often be attached to the outside of building, so also claim 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, supervisor's Safety Supervision scarce capacity causes equipment often to have major safety risks.And for construction elevator, be the manned vertical transport equipment of the unique energy in camp site, the improper terraced cage (also claiming car) that causes most probably of safety management falls, and the accident that the dead group of group hinders occurs.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, high falling after the guide rail bracket fracture; 2, falling protector malfunction.The anti-falling safety device anti-falling safety device is important on a construction elevator parts, rely on it to eliminate the generation of terraced cage falling accident, guarantees occupant's life security.The principle of work of the falling protector of construction elevator is mounted on the transmission base plate of construction elevator ladder cage now, the gear of one end is engaged on the tooth bar of guide rail bracket, when terraced cage normally moves, gear wheel shaft drives the assemblies such as centrifugal block, centrifugal-block, governing spring and screw rod and rotates together, and anti-falling safety device just can not move yet.When the instantaneous hypervelocity of terraced cage descended or falls, centrifugal-block was under the effect of centnifugal force, and the compression governing spring also outwards throws away, and its leg-of-mutton head blocks the boss of Outer Taper, then just drives Outer Taper and rotates together.This moment, the outside thread of Outer Taper afterbody rotated in afterburning nut, because afterburning nut is fixed, Outer Taper can only rearward move, and makes like this male cone (strobilus masculinus) of Outer Taper press to tightly the friction lining that is glued on the housing, when resistance makes terraced cage braking once timing.But owing to often can not working falling protector, a variety of causes causes safety misadventure.On the construction elevator of building, also there is not at present other safe fall-proof measure.

Summary of the invention

The present invention seeks to provides a kind of in building for guaranteeing the construction safety in building, and described building hoist in building still can prevent the falling of terraced cage of building hoist when falling protector lost efficacy.

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

A kind of in building; be included in the other building hoist of building; above-mentioned building hoist comprises guide rail bracket; the ladder cage; described building hoist is provided with anti-drop system; above-mentioned anti-drop system comprises grabs rope device; the insurance rope; the above-mentioned rope device of grabbing is mounted on the terraced cage of described construction elevator; one end of above-mentioned insurance rope is connected on the bottom or intermediate floor of 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 being fixed on the terraced cage suitable part in below such as the ground or the below of building body on the terraced cage; above-mentioned grab rope device be enclosed within the periphery of insurance rope can be on the guide rail bracket of described construction elevator free lifting; after the rope device action is grabbed in startup when needed; the ladder cage can promptly be 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 scaffold that arranges between the terraced cage of existing building and elevator can provide the space of arranging vertical insurance rope and the space of arranging cant cantilever; on the post of building or beam or floor face or the shear wall cantilever mounted support can be set; and at cant cantilever rotating disk is set; also having also has living space between scaffold and the guide rail bracket provides the space that cant cantilever and vertical layout insurance rope are set; design plan design cantilever is above terraced cage in addition; the insurance rope is passed down through the top of terraced cage and passes the rope device of grabbing that is arranged in the terraced cage; the bottom of passing again terraced cage is fixedly connected on downwards on the basis on ground; we also can install the anti-drop system that two covers or more covers are set at terraced cage, and this just can play twice or the anti-falling protection of multiple tracks more.

Wherein, the described rope device of grabbing comprises movable slider, fixing slide block, 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 above-mentioned movable slider can enter to insert fixedly to clamp to delay in the slide block and fall rope.

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

Wherein, described movable slider is connected with stay cord, stay cord can draw in movable slider fixedly in the slide block under external force, movable slider is upspring the Compress 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, and 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 promotion movable slider enter fixedly in the slide block and clamp the insurance rope.

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

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

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

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

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

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

Beneficial effect of the present invention: after adopting technique scheme, because described terraced cage is provided with and grabs the rope device, one end of above-mentioned insurance rope is connected to ground or suitable part, as on the basis of the bottom of building or the ground floor of intermediate floor or building or on the structures such as the beam of intermediate floor or post, above-mentioned 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 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 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 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 at terraced cage the anti-drop system of two covers or more covers, 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 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, 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, be provided with volume insurance rope in the rotating shaft, the insurance rope drives the rotating shaft rotation and slides on the surface of metal ring track with moving magnet 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 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 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 anti-drop system of the present invention and existing falling protector adopt is distinct, it can adopt by people control as by stay cord and the Compress 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 Compress 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 present invention has taken into full account existing design regulation exactly; job specifications; safety standard; operational procedure; the installation of existing construction elevator; the invention design of making after the factors such as layout of work and existing construction space; the present invention all can not impact above-mentioned factor; it takes full advantage of the idle space of camp site and arranges technical scheme of the present invention; through examining the engineering of building; can find between the terraced cage of existing building and elevator, to be provided with scaffold; space in the scaffold can provide 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 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; even the 3rd cover or the anti-drop system of more covers; so just can play to the terraced cage of construction elevator the multiple drop-proof protection, so just can guarantee the use safety at the building hoist of building.

Description of drawings

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

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

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

Fig. 4 is that grabbing of the embodiment of the invention 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 invention 1.

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

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 that the cantilever 11 of the second layer of building 1 is fixed, 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 has been bolted cant cantilever 17, be provided with rotating disk 4 on the cant cantilever 17, when after building 1 is upwards constructed, needing lift rail frame 9 and need make terraced cage 5 rise height, 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, 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 rope 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 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 in building 1, if the concrete strength smash has just been watered not enough the time in building in the top, 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, then untie 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 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, be provided with rotating disk 23 on the 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, side in 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 the guide rail bracket 9, ladder cage 56 is ignored not expression in accompanying drawing 1, one end of insurance rope 8 is connected on the spring that the cantilever of the second layer of building 1 is fixed, 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 has been bolted cant cantilever 17, is provided with rotating disk 4 on the 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, fixing slide block 29 interior clamping safety rope ropes 8, be provided with the cylindric protruding thing 50 and the cylindric protruding thing 51 that are parallel to inclined-plane 37 on the 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 the 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 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 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, 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 Compress Spring is upspring or motor action or hydraulic stem action promote above-mentioned movable slider and enter in the 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, movable slider 31 compressed springs 25 and Compress 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 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 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, be provided with the slow rope 60 that falls of a volume in the 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 be arranged on build in building below floor 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 build in building above and coiling by be arranged on affiliated build 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 building hoist 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 the terraced cage fastens insurance rope 59, the ladder cage falls rope 60 from descending lifeline 63 interior extractions by 59 pullings of insurance rope are slow, 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, since magnet 61 and magnet 62 in rotation process at metal ring track 65 interior generation 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 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, be provided with the slow rope 60 that falls of a volume in the 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 the terraced cage fastens insurance rope 59, the ladder cage falls rope 60 from descending lifeline 63 interior extractions by 59 pullings of insurance rope are slow, 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, since in above-mentioned two magnet rotation processes at metal ring track 65 interior generation 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 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.

Claims

1. one kind in building, be included in the other building hoist of building, above-mentioned building hoist comprises guide rail bracket, the ladder cage, it is characterized in that: described building hoist is provided with anti-drop system, above-mentioned anti-drop system comprises grabs rope device, the insurance rope, the above-mentioned rope device of grabbing is mounted on the terraced cage of described construction elevator, one end of above-mentioned insurance rope is connected on the bottom or intermediate floor of 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 being fixed on the suitable part in terraced cage below on the terraced cage, and terraced cage can promptly be fixed the insurance rope by grabbing rope device.

2. as claimed in claim 1 a kind of in building, 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 above-mentioned movable slider can enter to insert fixedly to clamp to delay in the slide block and fall rope.

3. as claimed in claim 2 a kind of in building, it is characterized in that: described movable slider has two, is provided with Compress Spring on the bottom surface of two movable sliders, promotes two movable sliders when Compress Spring is upspring and enters fixedly in the slide block.

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

5. as claimed in claim 2 a kind of in building, it is characterized in that: described movable slider is near the slow shape undulate shape that falls the one side of rope.

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

7. as claimed in claim 6 a kind of in building, it is characterized in that: described descending lifeline comprises the metal ring track, the surface of being close to the metal ring track is provided with magnet, magnet is fixed on the supporting construction, supporting construction is fixed in the rotating shaft, rotating shaft can center on bearing rotates, and be provided with the slow rope that falls of a volume in the rotating shaft, and the slow rope that falls drives the rotating shaft rotation and is with moving magnet to slide at the metal ring track under the effect of pulling force.

8. as claimed in claim 6 a kind of in building, it is characterized in that: described descending lifeline comprises the metal ring track, the two sides of being close to the metal ring track is provided with magnet one and magnet two, magnet one and magnet two are fixed on the supporting construction, supporting construction is fixed in the rotating shaft, rotating shaft can center on bearing rotates, and be provided with the slow rope that falls of a volume in the rotating shaft, and the slow rope that falls drives the rotating shaft rotation and is with moving magnet one and magnet two to slide at the metal ring track under the effect of pulling force.

9. as claimed in claim 6 a kind of in building, it is characterized in that: described metal ring track is provided with separates the crack.

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