CN2370100Y

CN2370100Y - Anti-drop device for high building integrated lift scaffold

Info

Publication number: CN2370100Y
Application number: CN 97241843
Authority: CN
Inventors: 蒙成榕
Original assignee: Individual
Current assignee: Individual
Priority date: 1997-10-07
Filing date: 1997-10-07
Publication date: 2000-03-22
Anticipated expiration: 2007-10-07

Abstract

The utility model relates to a scaffold for the external wall of a building. When an integrated lift scaffold for a high building lifts and falls in constructing, a loop chain (14) of a lifter is broken or slipped because of accidents to cause the crash of the scaffold body. In an instant, the utility model controls the falling of a lifting ring (15) and makes a spring (27) jack up a toothed cone-shaped clamp (25) to automatically clench a hanger rod (23) which is connected with the main body of the building, so that the crash of the scaffold body is prevented. With novel and simple structure and sensitive and reliable work, the utility model does not influence the normal lift and falling of the scaffold body when arranged in the scaffold body.

Description

Highrise building integral hoisting scaffold falling proof device

The utility model is a highrise building integral hoisting scaffold fall arrest automatic protecting mechanical device.

Highrise building integral hoisting scaffold (Chinese utility application number 88216513.5) in the past few years is used widely and is promoted, but finds in the construction practice that this is not provided with the falling proof device when the support body ascending, descending; Promptly when support body ascending, descending campaign, all effective attachment devices are all removed in support body and the highrise building agent structure, have only lifting heavy frame (12) (sequence number is seen under the Figure of description same) attached on the constructure body structure, also only hang whole by loop chain (14) in elevator (13) motion; When taking place for some reason that loop chain (14) disconnects or elevator (13) damages and causes the loop chain (14) can not self-locking, cause this position support body falling accident during slippage; For guaranteeing this safe handling, prevent that support body from falling, effective falling proof device must be set.

The utility model purpose is to provide a kind of highrise building integral hoisting scaffold that prevents in its ascending, descending campaign to the public, taking place to promote loop chain (14) for some reason disconnects, or elevator (13) damages loop chain (14) slippage, and when causing support body to fall at this in a flash, fast automatic pinning support body prevents the rigid mechanical device that falls.

The utility model is realized by following mechanical mechanism:

It is that suspension ring (15) wire rope (17), suspension rod (23), ladle hoop (22) are formed that the utility model outreaches part by main part pedestal (24) and four.Pedestal (24) is installed on the end heavy frame (18) of former integral hoisting scaffold (seeing Figure of description one for details) by bolt, and making suspension rod (23) insert in pedestal (24) medium pore, suspension rod (23) upper end firmly connects with lifting heavy frame (12) by ladle hoop (22) and bolt; The manipulation of pedestal (24) is drawn (19) is connected with suspension ring (15) bottom through wire rope (17), and the length of adjusting wire rope (17) makes it when loop chain (14) is sling support body, can the pull-up manipulation draw (19) to put in place, promptly finishes whole installations of this utility model.

Before the normal ascending, descending of support body, loop chain (14) tensioning, through suspension ring (15) support body is sling, at this moment buckle the wire rope (17) that connects and be tightened up at suspension ring (15) end, the manipulation that this rope other end connects is drawn (19) promptly to be pulled up and is put in place, at this moment draws (19) rear end through sliding pin (28) band collar (26) and descending putting in place of push rod (23) while; Collar (26) is at pedestal (24) inner chamber compression spring (27), a pair of protrusion pedestal (24) anchor clamps (25) suitable for reading are taken off on leave behind gland (32) top of rod end of push rod (23), the suspension rod (23) that its disengaging is bitten, make it fall by deadweight, spring (27) is compressed the back and forms in the cavity more roomy in the pedestal (24), the epicone mouth of pedestal (24) is glanded (32) again and seals, this can not work to tapered fixture (25) again like this: thereby guaranteed in the normal ascending, descending campaign of support body, pedestal (24) slides freely along suspension rod (23), prevents the misoperation of anchor clamps (25); Also be equiped with dust ring (30) on the gland (32) in addition and prevent that foreign material from falling in pedestal (24) chamber, it is sensitive reliable to guarantee that this utility model is used.

In a single day elevator loop chain (14) disconnection or elevator (13) take place in support body ascending, descending campaign for some reason decrease ring, cause the loop chain (14) can not self-locking (landing), support body occurring falls in a flash, suspension ring (15) fall, wire rope (17) is loose to be directed at operating handle (19) and to lose pulling force and fall, drawn the spring (27) that (19) are compressed in pedestal (24) chamber to upspring immediately, and, ought draw simultaneously (19) are fallen through push rod (29) gland (32) jack-up a pair of tapered steel anchor clamps (25) jack-up clamping suspension rod (23); Make this bite suspension rod (23) by pushing with pedestal (24) chamber inner conical surface to band tooth tapered steel anchor clamps (25), and the increase conical surface extruding force of flashy kinetic energy that falls along with support body and potential energy is big more, thereby force this that toothed steel anchor clamps (25) are effectively stung tight suspension rod (23) rapidly; Because of suspension rod (23) upper end by ladle hoop (22) and bolt with firmly connect attached to the elevator heavy frame (12) on the building main body, and this surely connects by pedestal (24) and support body tapered fixture (25), so the elevator heavy frame (12) that support body is attached on the building main body hangs; Just when elevator loop chain (14) for some reason disconnect or slippage after, lifting heavy frame (12) attached to the building main body has been unloaded, existing moment reprints back the load of support body again by the suspension rod (23) of this utility model and promotes on the heavy frame (12), has realized the function that anti-support body falls.

The utility model mechanism is simple, Installation and Debugging convenient; Package unit only is made up of main body pedestal (24) and four external piece suspension ring (15), wire rope (17), suspension rod (23) and ladle hoop (22), install and all adopt Bolt Connection, debugging only need once be adjusted the length of wire rope (17), and package unit can use with the frame ascending, descending.

Little, in light weight, the easy processing of the utility model volume; Maximum one of this covering device is the heavy 20Kg of pedestal (24), its shell is by the garden shape steel pipe of the high 170mm of diameter 120mm, the steel plate of a wide 200mm of the long 260mm of thick 12mm is welded, pedestal (24) is equipped with a pair of tapered steel anchor clamps (25) in the chamber, a collar (26) and a spring (27), add and only need ask man-hour pedestal (24) inner chamber tapering and this to tapered fixture (25) cone match, collar (26) is slidingly matched at inner chamber, and remaining parts need not fine finishining.

The utility model novel structure, be active in one's movements, reliable operation; The microscler suspension ring of pass key control part (15) of this falling proof device, be sleeved on the hanger (16) of heavy frame at the bottom of the former hoisting frame, the suspension hook that its upper end is raised machine loop chain (14) hangs, the lower end hangs support body hanger (16) thereby can directly transmit the strong stress of loop chain (14), when loop chain (14) disconnects or during slippage, suspension ring (15) promptly fall and are quick on the draw; When the manipulation of pedestal (24) is drawn (19) pull-up, compressed spring (27); (19) are lost pulling force fallen by deadweight to add upper spring (27) jack-up simultaneously,, can fast anchor clamps (25) be pushed to the cooperation conical surface, clamp suspension rod (23) when drawing so this mechanism's reaction becomes very sensitive; Utilized the conical surface relative motion of the powerful kinetic energy of harmful support body attached moment that falls and potential energy by pedestal (24) chamber inner conical surface and a pair of anchor clamps (25), change it into extruding force to anchor clamps (25), make this to the more effective suspension rod (23) that tightly is inserted in wherein of stinging of anchor clamps (25), and when the power of the moment of falling the extruding force that becomes of big change is just big more more, the power of stinging tight suspension rod (23) is just big more, so just can prevent support body to fall rapidly; The manipulation of wire rope (17) pull-up pedestal (24) is drawn (19) when the normal ascending, descending campaign of support body, spring (27) is compressed the parked a pair of anchor clamps in space (25) that form a broad in the pedestal (24), the epicone mouth of pedestal (24) is glanded (32) again and seals, make the suspension rod (23) that is inserted in the pedestal (24) become free state, so guaranteed, during the normal ascending, descending campaign of support body, pedestal (24) slides along suspension rod (23) freely, has realized that this utility model support body of packing into does not influence support body and normally moves; On pedestal (24) topmost gland (32) dust ring is housed in addition, the use of more thoughtful this utility model of assurance is reliable.

It below is the Figure of description serial number name;

12, promote heavy frame 13, elevator 14, loop chain 15, suspension ring 16, hanger

17, wire rope 18, end heavy frame 19, handle draw 22, shroud ring 23, suspension rod

24, pedestal 25, anchor clamps 26, collar 27, spring 28, sliding pin

29, push rod 30, dust ring 31, guide pillar 32, gland 33, supporting-roller shaft

Claims

1, the utility model is a kind of falling proof device of highrise building integral hoisting scaffold.

Highrise building integral hoisting scaffold (Chinese utility patent, application number 88216513.5) is not provided with falling proof device in its construction ascending, descending campaign, in case cause the support body falling accident when elevator loop chain (14) disconnection or slippage take place for some reason; For guaranteeing that the construction safety spy is provided with this utility model, by this rigid mechanical device, moment automatically locks support body, and itself and constructure body structure are linked up, and has realized fall arrest.

The utility model is formed mechanism and be it is characterized in that being made up of main part pedestal (24) and the microscler suspension ring of outer connector (15), wire rope (17), suspension rod (23) and ladle hoop (22).During installation, pedestal (24) is contained at the bottom of the support body on the heavy frame (18) by bolt, its medium pore inserts suspension rod (23), and the upper end connects with lifting heavy frame (12) through shroud ring (22), and (firmly connecting with building because of promoting heavy frame (12)) is that suspension rod (23) also connects with the building jail; The microscler suspension ring of the control of this utility model (15), be sleeved at the bottom of elevator loop chain (14) suspension hook and the support body between the hanger (16) on the heavy frame (18), (being that elevator loop chain (14) hangs support body by suspension ring (15)), suspension ring (15) bottom is drawn through the wire rope (17) and the manipulation of pedestal (24) (19) is connected, and promptly finishes whole installations; Before the normal ascending, descending of support body, loop chain (14) tensioning, through suspension ring (15) support body is sling, the wire rope (17) that suspension ring (15) bottom connects is tightened up, the manipulation that this rope other end connects is drawn (19) promptly to be pulled up and is put in place, at this moment draw (19) with supporting-roller shaft (33) be balance pivot through sliding pin (28), make collar (26) and push rod (23) is descending simultaneously puts in place; Collar (26) is at pedestal (24) inner chamber compression spring (27); Push rod (23) gland (23) of rod end of leaving behind in addition, the anchor clamps (25) of a pair of protrusion pedestal (24) epicone mouth are taken off on the top, the suspension rod (23) that its disengaging is bitten, making it fall at spring (27) by deadweight is compressed in the more roomy cavity of back formation, the epicone mouth of pedestal (24) is glanded (32) again and seals, and this can not work to tapered clamp its (25) again like this, has guaranteed in the normal ascending, descending campaign of support body, pedestal (24) slides freely along suspension rod (23), does not influence the operate as normal of support body.When the support body liter, fall in the motion, in case cause support body to fall when elevator loop chain (14) disconnection or slippage take place for some reason, this in a flash, suspension ring (15) fall, wire rope (17) is lax, causing manipulation to draw (19) to lose pulling force falls, former being drawn is compressed in spring (27) in pedestal (24) chamber to (19), immediately upspring, and with a pair of tapered steel anchor clamps (25) by biting suspension rod (23) with pedestal (24) chamber inner conical surface extruding, and along with the moment kinetic energy that falls of support body and the increase of potential energy, conical surface extruding force is big more, forces steel anchor clamps (25) effectively to sting tight suspension rod (23) locking support body rapidly; Because of suspension rod (23) upper end hangs through ladle hoop (22) and the lifting heavy frame (12) that firmly is connected in the building main body; And when elevator loop chain (14) for some reason disconnect or slippage after, this liftings heavy frame (12) has been unloaded, existing moment reprints back the support body load again on the lifting heavy frame by suspension rod (23), has realized that anti-support body falls.

The utility model main part pedestal (24) is by shell, the last rectangle steel plate of one cylinder steel pipe and top is welded, four jiaos of steel plates are porose, connect with support body by bolt, cylindrical steel tube cavity top is up-small and down-big conical cavity, the bottom is a cylindrical cavity, awl is equipped with a pair of tapered steel anchor clamps (25) in the chamber, (two identical compositions) male cone (strobilus masculinus) cooperates with the chamber awl, interior circle cooperates with suspension rod (23) external diameter, circle uniform arc tooth (through heat treatment) in it, under the anchor clamps (25), adorn a short cylindrical shape steel collar (26) in the cylindrical cavity, (in be welded with the steel sleeve of one section endoporus greater than suspension rod (23) external diameter) translateral sliding pin (28) passes pedestal (24) shell, along cotter way collar (26) can be slided up and down, can loosening or compress down, the spring (27) of dress covers for the underseal of pedestal (24) at last.Pass the sliding pin (28) of pedestal (24) outer wall both sides, be inserted in push rod (29) and manipulation and draw the handle rear end of (19), push rod (29) passes the last rectangle steel plate of pedestal (24) and connects with gland (32) screw rod, and gland is equipped with wiper of rubber on (32); Manipulation is drawn (19) front end is connected with microscler suspension ring (15) bottom through wire rope (17).