CN203064938U - Construction elevator of building under construction - Google Patents

Abstract

A construction elevator of a building under construction comprises a guide rail bracket, an elevator cage and a motor. The construction elevator is provided with an anti-falling system, and the anti-falling system comprises a rope grabbing device and a safety rope. The rope grabbing device is arranged on the elevator cage of the construction elevator, one end of the safety rope is connected at the set position above the elevator cage, and the safety rope extends from top to bottom, penetrates through the rope grabbing device arranged on the elevator cage and is fixedly connected at the suitable position below the elevator cage. The rope grabbing device is sleeved on the outer side of the safety rope and can ascend and descend freely on the guide rail bracket of the construction elevator along with the elevator cage, and after the rope grabbing device is started, the elevator cage grabs tightly and fixes the safety rope through the rope grabbing device.

Description

A kind of building hoist in building

Technical field

The invention belongs to the construction elevator field.

Background technology

Construction elevator refers to do vertical transport and uses in building operation, the dual-purpose elevator of people's goods of delivery personnel and material, owing to often be attached to the outside of building, so also claim the external application elevator.In recent years, the high-building construction elevator uses more and more general, but because the product safety performance has certain gap with general man lift, the camp site working environment is relatively poor, unit in charge of construction's safety management work is not in place, supervisor manages scarce capacity safely, causes equipment often to have major safety risks.And for construction elevator, be the manned vertical transport equipment of the unique energy in camp site, safety management is improper to cause terraced cage to fall most probably, 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.Falling protector is important on a construction elevator parts, causes safety misadventure owing to a variety of causes often can not be worked falling protector, does not also have other anti-fall safety measure at present on the construction elevator.

Summary of the invention

The present invention seeks in existing construction elevator structure and install under the constant substantially situation, a kind of building hoist is provided, when the falling protector of building hoist lost efficacy, still can prevent falling and rushing to summit of building hoist ladder cage.

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

A kind of building hoist in building; comprise guide rail bracket; the ladder cage; motor; 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 arranged on the terraced cage of described construction elevator; one end of above-mentioned insurance rope is connected the desired location of above-mentioned terraced cage top; an end that is to say above-mentioned insurance rope is connected on the agent structure of top of building or an end of above-mentioned insurance rope is connected and build on the supporting construction that the top agent structure is connected and fixed; above-mentioned insurance rope extends through from the top down and is arranged on grabbing rope device and being fastened on the correct position of above-mentioned terraced cage below on the terraced cage; the correct position of above-mentioned terraced cage below is on the structure that side is built below the terraced cage or on the ground; above-mentioned grab rope device be enclosed within the insurance rope the outside can be with above-mentioned terraced cage free lifting on the guide rail bracket of described construction elevator; 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 construction elevator can provide the space of arranging vertical insurance rope and the space of arranging cant cantilever; fixing above-mentioned supporting construction or cant cantilever can be set on the post of building or beam or floor face or the shear wall; and cant cantilever arrange the insurance rope point of connection; also having also has living space to provide between the scaffold of building and guide rail bracket arranges supporting construction or cant cantilever; the space of the vertical insurance rope of arranging; design plan design cantilever is above terraced cage in addition; extend through the top of terraced cage downwards after the insurance rope is connected on the cantilever and pass the rope device of grabbing that is arranged in the terraced cage; the bottom of passing terraced cage again is fixedly connected on downwards on the basis on ground; we also can install the above-mentioned anti-drop system that two covers or more covers are set at terraced cage; this just can play twice or the anti-falling protection of multiple tracks more; certainly, we can be provided with spring or energy disperser by the end above above-mentioned insurance rope.

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, the inboard of above-mentioned movable slider is provided with described insurance rope, and above-mentioned movable slider can enter to insert fixedly and clamp the slow rope that falls in the slide block.

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

Wherein, described movable slider is connected with stay cord, stay cord can draw in movable slider fixedly in the slide block under external force, movable slider is upspring the compression spring of grabbing the rope device to promote movable slider to enter fixedly in the slide block and is clamped the 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 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.

Wherein, the below of described movable slider is provided with the gas explosion device.

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

Wherein, the top of described insurance rope is connected on damper or energy disperser or spring or the descending lifeline, energy disperser or spring or descending lifeline be fixedly installed on the top of building or the supporting construction that is connected and fixed with building top on.

Wherein, the top of described insurance rope is connected in the building structure of described terraced cage side or the top of described insurance rope is connected on the supporting cantilever that is connected with the building structure of described terraced cage side.

Wherein, after described insurance rope is fastened on correct position behind the terraced cage below, extend a volume insurance rope after for example fixing or be fixed on the below of building structure on the ground, when terraced cage need raise, can unclamp the insurance rope of the below that fixes on the ground or be fixed on building structure and pull out the length that one section insurance rope is used for extending vertical insurance rope, and then be connected and fixed on the ground or on the basis on ground or the below of building structure, because when when the building structure course of building is constructed, the guide rail bracket that is attached at the architectural construction elevator of building must rise, the rise height of construction elevator needs to increase, the fixed end that is used for the top of fixing described insurance rope must rise, and therefore the length of vertical insurance rope is also wanted corresponding increase.

Wherein, after described insurance rope is connected terraced cage top correct position, that is to say that described insurance rope is connected extends a volume insurance rope after the top of building structure or described insurance rope are connected on the supporting construction that is connected and fixed with the building structure top, when terraced cage need raise, can unclamp the insurance rope of the top that is connected building structure or unclamp the insurance rope on the supporting construction that is connected and fixed with building structure top and pull out the length that one section insurance rope is used for extending vertical insurance rope, and then be fastened on the higher top of building structure or the new supporting construction that is connected and fixed with the higher top of building structure on, because when when the building structure course of building is constructed, the guide rail bracket that is attached at the architectural construction elevator of building must rise, the rise height of construction elevator needs to increase, the fixed end that is used for the top of fixing described insurance rope must rise, therefore the length of vertical insurance rope is also wanted corresponding increase, for preventing from insuring coming off of rope, the reinforced safety rope be connected the top of building structure or the supporting construction that is connected and fixed with building structure top on, we also can design, allow an above-mentioned extended volume insurance rope be fixed on above-mentioned building structure the top or with supporting construction that the building structure top is connected and fixed on after extend into described in the floor of building and be fixed on floor face or post or beam or the shear wall and also can play multiple guaranteeing role with the reliability of strengthening being connected, namely when the insurance rope comes off point of connection in above-mentioned supporting construction, still be fixedly connected on and describedly can not come off building architectural, because in that to build space big, we can fully build architectural fixedly insurance rope described so the intensity of main structure body is big, the Yu Zaijian building does not guarantee that terraced cage can not fall thereby the assurance rope can not come off, in addition catch insurance rope moment to above-mentioned point of connection for guaranteeing to grab rope device, grab rope device, the impact of ladder case, we can arrange spring or energy disperser between insurance rope and the point of connection or between insurance rope and the building.

Beneficial effect of the present invention: after using technique scheme, because described terraced cage is provided with and grabs the rope device, described anti-drop system comprises grabs rope device, the insurance rope, the above-mentioned rope device of grabbing is arranged on the terraced cage of described building hoist, one end of above-mentioned insurance rope is connected the top of building structure or an end of above-mentioned insurance rope is connected on the supporting construction that is connected and fixed with the building structure top, above-mentioned insurance rope extends through downwards and is arranged on grabbing rope device and being fixed on the below of building on the terraced cage, above-mentioned grab rope device be enclosed within the outside of insurance rope 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.Above-mentioned 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 building hoist can provide the space of arranging vertical insurance rope and the space of arranging cant cantilever or supporting construction, 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 the point of connection place of the insurance rope on the cant cantilever or on the supporting construction spring or energy disperser are set, 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 or point of connection, after adopting technique scheme in addition, because the insurance rope is to entangle terraced cage downwards, that is to say when terraced cage is upwards rushed to summit, can be held downwards by safety line, this has also just increased another road safety curtain for stoping terraced cage to be rushed to summit.Also have, the principle that anti-drop system of the present invention and existing falling protector adopt is distinct, it can adopt by people control as by stay cord and the compression spring of grabbing the rope device be upspring promote movable slider to enter fixedly in the slide block and clamp the 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 present invention 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; we can find to be provided with scaffold between the terraced cage of existing building and building hoist; 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; between the guide rail bracket of above-mentioned scaffold and building hoist, also have living space to provide in addition supporting construction or cant cantilever are set; the space of the vertical insurance rope of arranging; cant cantilever or supporting construction are to depend on the beam that is fixed at the building side of building; 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 when the falling protector of former building hoist lost efficacy in addition terraced cage rush to summit and thrust guide rail bracket and can automatic or manual operation start when falling grab rope device and allow 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; because the insurance rope is to be attached on the main body of building; even the guide rail bracket slump is born; the ladder cage still can be fixed on the insurance rope by grabbing rope device or grabbing the rope device; can not allow terraced cage fall; certainly we also can technical scheme 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 the protection of multiple fall arrest to the terraced cage of building hoist.In addition, for preventing from insuring coming off of rope, the intensity that is connected and fixed of reinforced safety rope top, we also can design, allow above-mentioned insurance rope be fixed on the supporting construction of top or extend after on the cant cantilever one section insurance rope enter described in the floor of building and the reliability that is fixed on floor face or post or beam or the shear wall to strengthen connecting also can play multiple guaranteeing role, namely the insurance rope come off in above still can be fixedly connected on the supporting construction or during the point of connection on the cant cantilever on the described structure of building building and can not come off, because in that to build space big, we can fully fix the insurance rope in described structure in building so the intensity of main structure body is big, the Yu Zaijian building does not guarantee that terraced cage can not fall thereby the assurance rope can not come off, in addition catch insurance rope moment to above-mentioned point of connection for guaranteeing to grab rope device, grab rope device, the impact of ladder case, we can arrange spring or energy disperser between the point of connection of insurance rope and above-mentioned supporting construction or between the point of connection of insurance rope and building structure.

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 stravismus scheme drawing of grabbing rope device;

Fig. 6 is the stravismus scheme drawing when grabbing the fastening insurance rope of rope device.

The specific embodiment

As shown in Figure 1, a kind of building hoist, comprise guide rail bracket 9 and terraced cage 5, described anti-drop system comprises grabs rope device 6, insurance rope 8, the above-mentioned rope device 6 of grabbing is arranged on the terraced cage 5 of described building hoist, one end of above-mentioned insurance rope 8 be connected building 1 top or the supporting construction 3 that is connected and fixed with building 1 top on, above-mentioned insurance rope 8 extends through downwards and is arranged on the internal void of grabbing rope device 67 on the terraced cage 5 and is fixed on the basis 12 on ground, above-mentioned grab rope device 6 be enclosed within the outside of insurance rope 8 can be on guide rail bracket 9 free lifting, after rope device 6 actions were grabbed in startup when needed, terraced cage 5 was promptly fixed insurance rope 8 by grabbing rope device 6.Insurance rope 8 can prevent that terraced cage 5 from dropping or terraced cage 5 is rushed to summit; space in the existing scaffold 15 that arranges between the terraced cage 5 of building 1 and elevator can provide the space of arranging vertical insurance rope 8 and the space of arranging cant cantilever 16; on the post of building 1 or beam or floor face or the shear wall cantilever mounted support 16 can be set; and cant cantilever 16 arrange the insurance rope 8 point of connection 20; also having also has living space between scaffold 15 and the guide rail bracket 9 provides the space that cant cantilever 16 and vertical layout insurance rope 8 are set; design plan design cant cantilever 16 is above terraced cage in addition; insurance rope 8 is passed down through the top of terraced cage 5 and passes to be arranged on and grab rope device 6 in the terraced cage 5; the bottom of passing terraced cage 5 again is fixedly connected on downwards on the basis 12 on ground; we also can install the anti-drop system that two covers or more covers are set at terraced cage 5; this just can play twice or the anti-falling protection of multiple tracks more; certainly, we can be provided with spring or energy disperser at the pull end point of connection 20 that is subjected to of above-mentioned insurance rope 8.When building upwards needs lift rail frame 9 after the construction and need make terraced cage 5 rise heights, in the position that needs hoisting depth cant cantilever is set, above-mentioned cant cantilever 16 repeated usage that detachably gets off, for example behind dismounting lower cantalever support 16, be installed on the cantilever point 18, 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 be fastened on the point of connection 20 on the cant cantilever 16 that rises to cantilever point 18, 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, after rope device 6 actions are grabbed in startup when needed, 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, cant cantilever or supporting construction are set on the guide rail bracket up, above-mentioned cant cantilever and point of connection 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, utilizing insurance rope 13 to extend the 8 post-tensioning stressed joints of vertical insurance rope is fixed on the 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, by such mode, we just can set out independently anti-drop system at terraced cage 5, and can adjust anti-drop system with the rising of guide rail bracket 9.

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 the attached Fig. 1 of stating, one end of insurance rope is connected on the point of connection 20 of cant cantilever 16 and extends through downwards and is arranged on grabbing rope device 6 and be fixed on the basis on ground on the terraced cage 5, on the above-mentioned cant cantilever 16 can point of connection 20 arrange spring and by spring with insure rope and be connected.

As shown in Figure 3, under normal condition, grab rope device 6 and be arranged on the periphery of insuring rope 8, the insurance rope passes the internal void 7 of grabbing rope device, 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 enter and 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, 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 slide block 27, fixing 29 pairs of movable sliders 31 of slide block, clamped insurance rope 8 when fixedly slide block 27 is exerted pressure, this moment, the gravity 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 enters fixedly slide block 27 more, fixedly in the slide block 35, 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 under the self-locking action that produces of gravity factor 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.Also have, we can be connected with stay cord at movable slider 28, movable slider 31, stay cord can draw in movable slider 28, movable slider 31 fixedly in the slide block under external force, 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 1, 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, this moment, the gravity 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 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, Fig. 5 is the stravismus scheme drawing of grabbing rope device, when rope device 61 is grabbed in use, the shell 66 of grabbing rope device 61 is fixed on the sidewall of terraced cage of building hoist, by the opening 60 on the shell 66 insurance rope 8 is put into the internal void 7 of grabbing rope device 61, insurance rope 8 passes the internal void 7 of grabbing rope device 61, grab rope device 61 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 66 of grabbing rope device 61, movable slider 28, movable slider 31 slidably is arranged on the housing 66 of grabbing rope device 61, insurance rope 8 put into when grabbing rope device 61 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, 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 66 of grabbing rope device 61, 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 63 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 building hoist 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 63 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 61 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 61 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 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 of insurance rope 8.

As shown in Figure 6, Fig. 6 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 61 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 building hoist of grabbing on the rope device 61 can not fall with regard to being fixed on the insurance rope 8.

Claims (10)

1. building hoist in building, comprise guide rail bracket, the ladder cage, it is characterized in that: 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 arranged on the terraced cage of described construction elevator, one end of above-mentioned insurance rope is connected the desired location of above-mentioned terraced cage top, above-mentioned insurance rope extends through from the top down and is arranged on grabbing rope device and being fastened on the correct position of above-mentioned terraced cage below on the terraced cage, above-mentioned grab rope device be enclosed within the insurance rope the outside can be with above-mentioned terraced cage free lifting on the guide rail bracket of described construction elevator, after the rope device action was grabbed in startup, terraced cage was promptly fixed the insurance rope by grabbing rope device.

2. 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, the inboard of above-mentioned movable slider is provided with described insurance rope, and above-mentioned movable slider can insert fixedly and clamp the insurance rope in the slide block.

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

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

5. a kind of building hoist in building as claimed in claim 2, it is characterized in that: the below of described movable slider is provided with the gas explosion device.

6. a kind of building hoist in building as claimed in claim 2 is characterized in that: the shape undulate shape of the one side of the close insurance of described movable slider rope.

7. a kind of building hoist in building as claimed in claim 1, it is characterized in that: the top of described insurance rope is connected on damper or energy disperser or the spring, energy disperser or spring be fixedly installed on the top of building or the supporting construction that is connected and fixed with building top on.

8. a kind of building hoist in building as claimed in claim 1 is characterized in that: the top of described insurance rope is connected in the building structure of described terraced cage side or the top of described insurance rope is connected on the supporting cantilever that is connected with the building structure of described terraced cage side.

9. a kind of building hoist in building as claimed in claim 1 is characterized in that: described insurance rope extends a volume insurance rope after being fastened on correct position behind the terraced cage below.

10. a kind of building hoist in building as claimed in claim 1 is characterized in that: described insurance rope extends a volume insurance rope after being connected terraced cage top correct position.

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