CN115126212A - Lifting type dismantling device for inner wall of overhanging outer frame and dismantling construction method - Google Patents
Lifting type dismantling device for inner wall of overhanging outer frame and dismantling construction method Download PDFInfo
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- CN115126212A CN115126212A CN202210761836.8A CN202210761836A CN115126212A CN 115126212 A CN115126212 A CN 115126212A CN 202210761836 A CN202210761836 A CN 202210761836A CN 115126212 A CN115126212 A CN 115126212A
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- 238000010276 construction Methods 0.000 title claims description 16
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 63
- 239000010959 steel Substances 0.000 claims abstract description 63
- 230000005540 biological transmission Effects 0.000 claims description 19
- 230000000712 assembly Effects 0.000 claims description 9
- 238000000429 assembly Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- 230000005484 gravity Effects 0.000 claims description 4
- 238000003860 storage Methods 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
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- 230000003028 elevating effect Effects 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 2
- 238000005520 cutting process Methods 0.000 description 3
- 238000005034 decoration Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000009435 building construction Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G5/00—Component parts or accessories for scaffolds
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/18—Scaffolds essentially supported by building constructions, e.g. adjustable in height supported by cantilevers or other provisions mounted in openings in the building, e.g. window openings
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Abstract
The invention discloses a lifting type dismantling device for an inner wall of an overhanging outer frame, which comprises a lifting driving device arranged at the top of a building and a hanging box device arranged at a gap between the overhanging outer frame and an outer wall of the building, wherein the hanging box device is connected with the lifting driving device through a main steel wire rope in a driving way, and the lifting driving device comprises a rack, a balancing weight and a driving assembly; the counterweight block is arranged at one end of the frame, the driving assembly is arranged on the frame, and the main steel wire rope is connected with the driving assembly. According to the invention, by utilizing the gap between the cantilever scaffold and the building and adopting a loading mode with small section and large capacity, the steel pipe and the fastener can be vertically placed into the box hanging device, the shielding of the cantilever outer frame is effectively avoided, the disassembly of the interior of the cantilever outer frame is convenient, the material stacking formed by disassembly is reduced, and the quick disassembly operation of workers is convenient by integrally hoisting and stacking the box hanging device.
Description
Technical Field
The invention relates to the technical field of construction of building outer frames, in particular to a lifting type dismounting device for an inner wall of an overhanging outer frame and a dismounting method thereof.
Background
At present, the overhanging scaffold is still the outer scaffold which is most widely applied in the engineering construction process, and more than 95% of buildings need to be erected with the overhanging scaffold for the peripheral construction of the buildings and playing a role in safety protection. The building construction is finished and then needs to be dismantled, if auxiliary hoisting equipment is not available, the building construction needs to be dismantled manually, and conventional manual dismantling is usually carried out by fixing the outdoor end part by adopting an indoor diagonal steel wire rope and cutting and dismantling the outdoor end part from the outer side to the inner side of the building. The following disadvantages and difficulties are noticed in manual outdoor dismantling: firstly, sparks generated by the operation of dismantling and cutting the outer side of a building are easily influenced by outdoor wind power to fall and float, so that an outdoor component is scalded; secondly, the components are inclined to pull by virtue of the internal steel wire rope, and due to the characteristic of flexibility, personnel can operate the cantilever scaffold outdoors very dangerously; thirdly, the outdoor member is influenced by the inclined pulling of the steel wire rope at the moment of cutting and separating, the member tends to deviate indoors, and the operation of personnel and the protection of finished products such as outdoor curtain walls of buildings are not good. Personnel operate very dangerously on outdoor overhanging type scaffold, and the dismantling difficulty of a support frame platform hung outside a building is large, and the potential safety hazard is very large.
If a tower crane or other auxiliary hoisting equipment is used for dismantling the overhanging scaffold. It also causes a great waste of resources. The tower cranes are most often adopted for carrying out successive-layer overhanging demolition, but the demolition time of the method is long, the follow-up peripheral construction, acceptance, indoor decoration and decoration of the building are seriously influenced, meanwhile, the overhanging type scaffold needs to be dismantled by means of the tower cranes for assistance, the time for delaying the yield of the tower cranes is 2-3 months at least, 6-10 tower cranes are used for general projects, and the lease expense and labor expense loss of the tower cranes caused by the method are up to 80-100 ten thousand of capital loss.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a lifting type dismounting device for the inner wall of an overhanging outer frame and a dismounting method thereof, which are reasonable in design, safe and convenient.
The technical scheme of the invention is as follows:
the lifting type dismantling device for the inner wall of the overhanging outer frame comprises a lifting driving device arranged at the top of a building and a hanging box device arranged at a gap between the overhanging outer frame and the outer wall of the building, wherein the hanging box device is connected with the lifting driving device through a main steel wire rope in a driving way, and the lifting driving device comprises a rack, a balancing weight and a driving assembly; the counterweight block is arranged at one end of the frame, the driving assembly is arranged on the frame, and the main steel wire rope is connected with the driving assembly.
Furthermore, the frame comprises a counterweight block mounting frame, a driving component mounting frame and a connecting frame, the counterweight block mounting frame and the driving component mounting frame are connected through the connecting frame, one end of the connecting frame extends outwards to a position between the outer wall of the building and the overhanging outer frame, and fixed pulleys are respectively arranged at the end part of one end of the connecting frame and below the end part; the counterweight block mounting frame is provided with a positioning rod, the counterweight block is arranged on the positioning rod in a penetrating manner, the driving assembly mounting frame is provided with a supporting plate, and the driving assembly is fixedly arranged on the supporting plate.
Further, drive assembly includes driving motor, first reel and second reel, all be equipped with the transmission rim plate on first reel, second reel and the driving motor, first reel and second reel are connected with the driving motor transmission respectively, and connect on the driving motor and set up the overspeed governor, the transmission rim plate includes the rim plate main part, rim plate main part terminal surface sets up a set of cylinder along the equidistance of circumferencial direction, carries out the transmission through the cylinder between the adjacent transmission rim plate.
Furthermore, the box hanging device comprises a box body and pulley assemblies arranged above the box body, the pulley assemblies are connected with the driving assembly through main steel wire ropes, the box body is connected with the pulley assemblies through auxiliary steel wire ropes, lifting lugs for installing auxiliary steel wire rope sleeve locks are arranged on two sides of the box body, and rollers are arranged on one side, close to the building, of the box body.
Furthermore, the box hanging device comprises a box body and box hanging pulleys arranged on two sides of the top of the box body, the box hanging pulleys are directly connected with the main steel wire rope, and rollers are arranged on one side, close to the building, of the box body.
Furthermore, the pulley assembly comprises a first upper pulley, a first lower pulley, a first pulley bracket, a second upper pulley, a second lower pulley, a second pulley bracket and a pulley bracket connecting frame; the first upper pulley and the first lower pulley are arranged in the vertical direction, the first upper pulley and the first lower pulley are movably arranged on the first pulley support respectively, the second upper pulley and the second lower pulley are arranged in the vertical direction, the second upper pulley and the second lower pulley are movably arranged on the second pulley support respectively, and the first pulley support is connected with the second pulley support through a pulley support connecting frame.
Furthermore, rectangular open slots are formed in the positions of the two sides of the box body along the axial direction and used for accommodating the outer frame connecting piece; the middle of the box body is provided with a plurality of square open slots for accommodating external frame pipe fittings.
Furthermore, the top of the driving assembly mounting frame is also provided with a steel wire rope inclined pull frame, one end of each main steel wire rope is led out from the top of the first reel and the bottom of the second reel respectively, the main steel wire rope is led out vertically downwards after being wound around the top of the fixed pulley below the corresponding connecting frame, and the main steel wire rope is obliquely upwards passed through the steel wire rope and obliquely downwards fixed at the other end of the connecting frame after vertically upwards passing through the fixed pulley at one end of the connecting frame after being wound around the top of the fixed pulley at the second upper pulley and the first upper pulley respectively.
The construction method for lifting and dismantling the inner wall of the cantilever outer frame comprises the following steps:
1) lifting driving devices are respectively arranged on the periphery of the top of a building floor, and a box hanging device is hung at a gap between an overhanging outer frame and a building outer wall through a main steel wire rope, and the initial position of the box hanging device is positioned at the upper part of the overhanging outer frame;
2) a constructor removes the cantilever outer frame from the top of the cantilever outer frame, and puts the removed outer frame pipe fittings and the outer frame connecting pieces into the hoisting box device respectively;
3) after the storage of the hanging box device is finished, the hanging box device is vertically hung and placed on a cargo bucket of a hanging box transport vehicle which is pre-parked on the ground through a lifting driving device;
4) wedge-shaped blocks are arranged on the outer vertical surface of the building and at a position higher than the cargo bucket of the hanging box transport vehicle, so that when the hanging box device enters the cargo bucket of the hanging box transport vehicle, the closed end of the hanging box device faces inwards, and the open end of the hanging box device faces outwards;
5) the lifting box transport vehicle slowly moves forwards and is matched with the lifting driving device to horizontally place the lifting box device in the cargo bucket, the lifting box transport vehicle and the lifting driving device stop working, the steel wire ropes on two sides of the box body of the lifting box device are taken down, and the lifting box transport vehicle drives into the next cargo loading point;
6) a transport vehicle with an empty box body is driven into the lower part of a lifting driving device, steel wire ropes are arranged on two sides of the box body of a box hanging device, and the lifting driving device controls a hanging box to ascend to a preset position to stop;
7) the boxes in the hanging box transport vehicle are stacked up and down, the opening directions are consistent, after the boxes are transported to a construction open space, the tipping bucket of the hanging box transport vehicle is lifted, and the outer frame pipe fittings and the outer frame connecting pieces automatically slide out of the boxes under the action of gravity.
Furthermore, four corners of the cargo bucket of the hanging box transport vehicle are respectively provided with L-shaped angle steel in an inserted connection mode, and the L-shaped angle steel is used for limiting the box body of the hanging box device and preventing the box body from being separated from the cargo bucket in the unloading process.
The invention has the following beneficial effects:
1) the device application is encorbelmented the space between formula scaffold frame and the building of encorbelmenting, adopts the loading mode of small-section large capacity, can effectively avoid encorbelmenting sheltering from of outer frame effectively with steel pipe and fastener vertical putting into the hanging box device, conveniently encorbelments the inside dismantlement of outer frame self, has also reduced the dismantlement and the material that forms stacks, through the whole handling of hanging box with stack, convenient workman's quick dismantlement operation.
2) This device adopts a driving motor, drives first reel and second reel simultaneously through the transmission rim plate to realize two main wire rope's synchronous rising and synchronous decline through two main wire rope's reverse winding on first reel and second reel, and effectively avoid when a main wire rope fracture back, the transmission wheel dish still can effectively transmit power for another main wire rope, effectively prevents the high altitude accident of falling of hanging box device and takes place.
3) The hoisting device adopts two independent steel wire ropes for hoisting, the conversion pulley block is prevented from falling, when one steel wire rope is broken, the other steel wire rope can automatically slide into the position above the gravity center of the hoisting box, the safety factor of the hoisting box is increased, and meanwhile, the whole loading and unloading of the hoisting box greatly improve the on-site safety civilized construction level. The device can be circularly used, and is favorable for controlling the construction cost.
4) The device wholly adopts the shaped steel structure, and the whole mill prefabrication production of component, simple manufacture, low cost, reuse. And can carry out the collaborative work with top building hanging flower basket support and counter weight, need not to increase extra installation of workman and dismantlement time, practice thrift the time of encorbelmenting formula scaffold frame ann and tearing open, also practiced thrift the time of tearing open of hanging flower basket simultaneously, saved the time of time limit for work such as follow-up building peripheral construction, acceptance inspection and interior decoration fitment.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of an embodiment of the connection between the lifting driving device and the box hanging device of the present invention;
FIG. 3 is a schematic view of a frame structure of the lift driving apparatus of the present invention;
FIG. 4 is a schematic view of the driving assembly of the present invention;
fig. 5 is a schematic view of the sheave assembly of the present invention;
FIG. 6 is a schematic view of a main rope mounting structure of the present invention;
FIG. 7 is a schematic view of another embodiment of the connection between the lifting driving device and the box hanging device of the present invention;
FIG. 8 is a schematic view of a roller mounting structure of the box hanger apparatus of the present invention;
FIG. 9 is a schematic view of the configuration of the drop box transporter of the present invention;
in the figure: 1. a building; 2. an overhanging outer frame; 3. a lift drive device; 301. a frame; 302. a balancing weight; 303. a drive assembly; 304. a drive assembly mounting bracket; 305. a support plate; 306. a counterweight block mounting frame; 307. positioning a rod; 308. a connecting frame; 309. a steel wire rope inclined pulling frame; 310. a drive motor; 311. a first reel; 312. a second reel; 313. a drive sheave; 314. a fixed pulley; 4. a main wire rope; 5. a box hanging device; 501. a box body; 502. a sheave assembly; 503. lifting lugs; 504. a rectangular open slot; 505. a square open slot; 506. a first upper pulley; 507. a first pulley bracket; 508. a first lower pulley; 509. a pulley bracket connecting frame; 510. a second upper pulley; 511. a second sheave bracket; 512. a second lower pulley; 513. a hanging box pulley; 6. a main wire rope; 7. a roller; 8. a wedge block.
Detailed Description
The invention is further described in the following with reference to the accompanying drawings.
As shown in fig. 1 to 9, the overhanging outer frame inner wall lifting type demolition device includes a building 1, an overhanging outer frame 2, a lifting driving device 3, a frame 301, a counterweight 302, a driving component 303, a driving component mounting frame 304, a supporting plate 305, a counterweight mounting frame 306, a positioning rod 307, a connecting frame 308, a steel wire rope inclined pulling frame 309, a driving motor 310, a first reel 311, a second reel 312, a driving wheel disc 313, a fixed pulley 314, a main steel wire rope 4, a hanging box device 5, a box body 501, a pulley component 502, a lifting lug 503, a rectangular open slot 504, a square open slot 505, a first upper pulley 506, a first pulley support 507, a first lower pulley 508, a pulley support connecting frame 509, a second upper pulley 510, a second pulley support 511, a second lower pulley 512, a hanging box pulley 513, a main steel wire rope 6, a roller 7 and a wedge block 8.
Example 1:
the utility model provides a device is demolishd to outer frame inner wall over-and-under type of encorbelmenting, is including setting up the lift drive 3 at building 1 top, setting up at the hanging box device 5 of the clearance department between outer frame 2 and the building 1 outer wall of encorbelmenting and being used for hanging the main wire rope 4 that the drive links to each other between box device 5 and the lift drive 3.
The lifting driving device 3 comprises a frame 301, a balancing weight 302 and a driving component 303; the counterweight block 302 is arranged at one end of the frame 301 and used for fixing the frame; the driving assembly 303 is arranged on the frame 301, and the main steel wire rope 4 is connected with the driving assembly 303.
The frame 301 comprises a counterweight block mounting frame 306, a driving assembly mounting frame 304 and a connecting frame 308, the counterweight block mounting frame 306 and the driving assembly mounting frame 304 are connected through the connecting frame 308, one end of the connecting frame 308 extends outwards to a position between the outer wall of the building and the overhanging outer frame, and a fixed pulley 314 is respectively arranged at the end part of one end and below the end part; be equipped with locating lever 307 on the balancing weight mounting bracket 306, balancing weight 302 wears to establish on locating lever 307, is equipped with backup pad 305 on the drive assembly mounting bracket 304, and drive assembly 303 is fixed to be set up on backup pad 305.
The driving assembly 303 comprises a driving motor 310, a first reel 311 and a second reel 312, transmission wheel discs 313 are arranged on the first reel 311, the second reel 312 and the driving motor 310, the first reel 311 and the second reel 312 are in transmission connection with the driving motor 310 respectively, a speed limiter is connected and arranged on the driving motor 310, and when one main steel wire is disconnected, the speed limiter can be emergently braked after the suspension box device stalls.
The transmission wheel disc 313 comprises a wheel disc main body, a group of cylinders are arranged on the end face of the wheel disc main body at equal intervals along the circumferential direction, and transmission is carried out between the adjacent transmission wheel discs 313 through the cylinders. The transmission wheel disc 313 has simple structure and low manufacturing cost, can be manufactured on site, and in addition, the transmission wheel disc 313 can be replaced by a bevel gear on the premise of not considering the cost.
The top of the driving assembly mounting frame 304 is further provided with steel wire rope inclined pull frames 309, one ends of two main steel wire ropes 6 are respectively led out from the tops of the first reel 311 and the bottom of the second reel 312 (this is because the first reel 311 and the second reel 312 move reversely under the action of the driving motor 310), and are wound around the tops of the fixed pulleys 314 below the corresponding connecting frames 308 vertically downwards, and after respectively wound around the corresponding second upper pulleys 510 and the corresponding first upper pulleys 506, the fixed pulleys 314 at the end parts of one ends of the connecting frames 308 vertically upwards pass through the tops of the steel wire rope inclined pull frames 309, and then the steel wire rope inclined pull frames 309 are obliquely downwards fixed at the other ends of the connecting frames 308 after obliquely upwards passing through the tops of the steel wire rope inclined pull frames 309.
The box hanging device 5 comprises a box body 501 and pulley assemblies 502 arranged above the box body 501, the pulley assemblies 502 are connected with the driving assembly 303 through main steel wire ropes 4, the box body 501 is connected with the pulley assemblies 502 through auxiliary steel wire ropes 6, lifting lugs 503 for installing the auxiliary steel wire ropes 6 in a locking mode are arranged on two sides of the box body 501, the auxiliary steel wire ropes 6 are sleeved on the lifting lugs 503, and then the lifting lugs are tightened through steel wire rope locking sleeves.
Rectangular open grooves 504 are formed in the two sides of the box body 501 along the axial direction and used for containing external frame connecting pieces; the middle of the box body 501 is provided with a plurality of square open slots 505 for accommodating external frame pipes.
The pulley assembly 502 includes a first upper pulley 506, a first lower pulley 508, a first pulley bracket 507, a second upper pulley 510, a second lower pulley 512, a second pulley bracket 511, and a pulley bracket connection frame 509; the first upper pulley 506 and the first lower pulley 508 are vertically arranged, the first upper pulley 506 and the first lower pulley 508 are respectively and movably arranged on the first pulley bracket 507, the second upper pulley 510 and the second lower pulley 512 are vertically arranged, the second upper pulley 510 and the second lower pulley 512 are respectively and movably arranged on the second pulley bracket 511, and the first pulley bracket 507 and the second pulley bracket 511 are connected by a pulley bracket connecting frame 509. Wherein, the two ends of the pulley bracket connecting frame 509 are movably connected with the first pulley bracket 507 and the second pulley bracket 511, such as: after one main steel wire rope on the right side is broken, the auxiliary steel wire rope 6 can automatically balance the box body of the box hanging device under the action of the first lower pulley 508, and the box body is prevented from overturning.
Example 2:
different from embodiment 1, in embodiment 2, the box hanging device 5 includes a box 501 and box hanging pulleys 513 disposed at two sides of the top of the box 501, and there are no pulley assembly 502 and no secondary wire rope 6, in embodiment 2, the box hanging pulleys 513 are directly connected to the main wire rope 4, and one side of the box 501 near the building 1 is provided with a roller 7.
A lifting type dismantling construction method for an inner wall of an overhanging outer frame comprises the following specific steps:
1) lifting driving devices 3 are respectively arranged on the periphery of the top of a floor of a building 1, a box lifting device 5 is suspended at a gap between an overhanging outer frame 2 and an outer wall of the building 1 through a main steel wire rope 4, and the initial position of the box lifting device 5 is positioned at the upper part of the overhanging outer frame 2;
2) a constructor removes the cantilever outer frame from the top of the cantilever outer frame 2, and puts the removed outer frame pipe fittings and the outer frame connecting pieces into a square open slot 505 and a rectangular open slot 504 of the hanging box device 5 respectively;
3) after the storage of the box hanging device 5 is finished (namely, after the box hanging device 5 is fully stored), the box hanging device 5 is vertically hung and placed on a cargo bucket of a box hanging transport vehicle which is pre-parked on the ground through the lifting driving device 3;
4) wedge blocks are arranged on the outer vertical surface of the building and higher than the position of a cargo bucket of the hanging box transport vehicle, so that when the hanging box device enters the cargo bucket of the hanging box transport vehicle, the closed end of the hanging box device faces inwards, and the open end of the hanging box device faces outwards;
5) the hanging box transport vehicle slowly moves forwards and is matched with the lifting driving device to horizontally place the hanging box device in the cargo bucket (the transport vehicle slowly moves forwards, the hanging box slowly moves downwards until the box body is horizontally laid on the cargo bucket), the hanging box transport vehicle and the lifting driving device stop working, the auxiliary steel wire ropes 6 on two sides of the box body of the hanging box device are taken down, and the hanging box transport vehicle drives into the next loading point (the hanging box transport vehicle sequentially collects the hanging box device along the periphery of the building);
6) a transport vehicle with an empty box body is driven into the lower part of a lifting driving device 3, auxiliary steel wire ropes 6 are arranged on two sides of the box body of a box hanging device, and the lifting driving device 3 controls the lifting of the box hanging device to a preset position to stop;
7) the box bodies in the hanging box transport vehicle are stacked up and down, the opening directions are consistent, after the box bodies are transported to a construction open ground, the tipping buckets of the hanging box transport vehicle are lifted, and the outer frame pipe fittings and the outer frame connecting pieces automatically slide out of the box bodies under the action of gravity. The cargo bucket of the hanging box transport vehicle can be customized, or L-shaped angle steels can be respectively inserted and arranged at four corners of a common cargo bucket (the L-shaped angle steels close to two sides of an outlet of the cargo bucket can be detached before the hanging box device is placed into the cargo bucket, so that the hanging box device is conveniently placed into the cargo bucket), and the hanging box device is used for limiting a box body of the hanging box device and preventing the box body from being separated from the cargo bucket in the unloading process.
The above embodiments are only preferred embodiments of the present invention, and are not intended to limit the technical solutions of the present invention, so long as the technical solutions can be realized on the basis of the above embodiments without creative efforts, and should be considered to fall within the protection scope of the patent claims of the present invention.
Claims (10)
1. The lifting type dismantling device for the inner wall of the overhanging outer frame is characterized by comprising a lifting driving device (3) arranged at the top of a building (1) and a box hanging device (5) arranged at a gap between the overhanging outer frame (2) and the outer wall of the building (1), wherein the box hanging device (5) is in driving connection with the lifting driving device (3) through a main steel wire rope (4), and the lifting driving device (3) comprises a rack (301), a balancing weight (302) and a driving assembly (303); the counterweight block (302) is arranged at one end of the rack (301), the driving component (303) is arranged on the rack (301), and the main steel wire rope (4) is connected with the driving component (303).
2. The inner wall lifting type dismantling device for the overhanging outer frame according to claim 1, wherein the frame (301) comprises a counterweight mounting frame (306), a driving component mounting frame (304) and a connecting frame (308), the counterweight mounting frame (306) and the driving component mounting frame (304) are connected through the connecting frame (308), one end of the connecting frame (308) extends outwards to a position between the outer wall of the building and the overhanging outer frame, and a fixed pulley (314) is respectively arranged at the end part and below the end part of the connecting frame; be equipped with locating lever (307) on balancing weight mounting bracket (306), balancing weight (302) wear to establish on locating lever (307), be equipped with backup pad (305) on drive assembly mounting bracket (304), drive assembly (303) are fixed to be set up on backup pad (305).
3. The device is demolishd to outer frame inner wall over-and-under type of encorbelmenting of claim 2, characterized in that, drive assembly (303) includes driving motor (310), first reel (311) and second reel (312), all be equipped with transmission rim plate (313) on first reel (311), second reel (312) and driving motor (310), first reel (311) and second reel (312) are connected with driving motor (310) transmission respectively, and are connected on driving motor (310) and set up the overspeed governor, transmission rim plate (313) includes the rim plate main part, a set of cylinder is set up along the circumferencial direction equidistant to rim plate main part terminal surface, carries out the transmission through the cylinder between the adjacent transmission rim plate (313).
4. The inner wall lifting type dismantling device for the cantilever external frames according to claim 3, wherein the box hanging device (5) comprises a box body (501) and pulley assemblies (502) arranged above the box body (501), the pulley assemblies (502) and the driving assembly (303) are connected through a main steel wire rope (4), the box body (501) and the pulley assemblies (502) are connected through an auxiliary steel wire rope (6), lifting lugs (503) for the interlocking installation of the auxiliary steel wire rope (6) are arranged on two sides of the box body (501), and rollers (7) are arranged on one side of the box body (501) close to the building (1).
5. The inner wall lifting type dismantling device for the cantilever external frame according to claim 1, wherein the hanging box device (5) comprises a box body (501) and hanging box pulleys (513) arranged at two sides of the top of the box body (501), the hanging box pulleys (513) are directly connected with the main steel wire rope (4), and one side of the box body (501) close to the building (1) is provided with a roller (7).
6. The overhanging outrigger outer frame inner wall elevating demolition mechanism of claim 4 wherein the pulley assembly (502) comprises a first upper pulley (506), a first lower pulley (508), a first pulley bracket (507), a second upper pulley (510), a second lower pulley (512), a second pulley bracket (511) and a pulley bracket connection frame (509); first top sheave (506) and first bottom sheave (508) vertical direction set up, just first top sheave (506) and first bottom sheave (508) activity respectively set up on first pulley support (507), second top sheave (510) and second bottom sheave (512) vertical direction set up, just second top sheave (510) and second bottom sheave (512) activity respectively set up on second pulley support (511), link to each other through pulley support link (509) before first pulley support (507) and second pulley support (511).
7. The inner wall lifting type dismantling device for the cantilever outer frame according to claim 4, wherein two sides of the box body (501) are provided with rectangular open slots (504) along the axial direction for receiving outer frame connecting pieces; the middle of the box body (501) is provided with a plurality of square open grooves (505) for accommodating external frame pipe fittings.
8. The device for lifting and dismantling the inner wall of the cantilever outer frame according to claim 4, wherein a steel wire rope inclined pull frame (309) is further arranged at the top of the drive assembly mounting frame (304), one ends of two main steel wire ropes (6) are respectively led out from the top of the first winding wheel (311) and the bottom of the second winding wheel (312), and are wound from the top of the fixed pulley (314) below the corresponding connecting frame (308) to be downward vertically, and after respectively wound around the second upper pulley (510) and the first upper pulley (506), vertically and upwardly pass through the fixed pulley (314) at one end of the connecting frame (308), obliquely and upwardly penetrate through the top of the steel wire rope inclined pull frame (309), and are obliquely and downwardly fixed at the other end of the connecting frame (308).
9. The construction method for lifting and dismantling the inner wall of the cantilever outer frame is characterized by comprising the following steps:
1) lifting driving devices are respectively arranged on the periphery of the top of a building floor, and a box hanging device is hung at a gap between an overhanging outer frame and a building outer wall through a main steel wire rope, and the initial position of the box hanging device is positioned at the upper part of the overhanging outer frame;
2) a constructor removes the cantilever outer frame from the top of the cantilever outer frame, and puts the removed outer frame pipe fittings and the outer frame connecting pieces into the hoisting box device respectively;
3) after the storage of the hanging box device is finished, the hanging box device is vertically hung and placed on a cargo bucket of a hanging box transport vehicle which is pre-parked on the ground through a lifting driving device;
4) wedge-shaped blocks are arranged on the outer vertical surface of the building and at a position higher than the cargo bucket of the hanging box transport vehicle, so that when the hanging box device enters the cargo bucket of the hanging box transport vehicle, the closed end of the hanging box device faces inwards, and the open end of the hanging box device faces outwards;
5) the lifting box transport vehicle slowly moves forwards and is matched with the lifting driving device to horizontally place the lifting box device in the cargo bucket, the lifting box transport vehicle and the lifting driving device stop working, steel wire ropes on two sides of a box body of the lifting box device are taken down, and the lifting box transport vehicle drives into the next cargo loading point;
6) the transport vehicle with the empty box body is driven into the lower part of the lifting driving device, the steel wire ropes are arranged on two sides of the box body of the box hanging device, and the lifting driving device controls the hanging box to ascend to a preset position and stop;
7) the boxes in the hanging box transport vehicle are stacked up and down, the opening directions are consistent, after the boxes are transported to a construction open space, the tipping bucket of the hanging box transport vehicle is lifted, and the outer frame pipe fittings and the outer frame connecting pieces automatically slide out of the boxes under the action of gravity.
10. The lifting type dismantling construction method for inner walls of overhanging outer frames according to claim 9, characterized in that L-shaped angle steels are inserted and arranged at four corners of a cargo bucket of the hanging box transport vehicle respectively for limiting a box body of the hanging box device and preventing the box body from separating from the cargo bucket in the unloading process.
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| CN115126212B (en) | 2024-07-05 |
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