CN114562022B

CN114562022B - Prefabricated balcony slab of assembled and hoisting structure

Info

Publication number: CN114562022B
Application number: CN202210290714.5A
Authority: CN
Inventors: 张雪利
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-23
Filing date: 2022-03-23
Publication date: 2022-10-14
Anticipated expiration: 2042-03-23
Also published as: CN114562022A

Abstract

The application relates to an assembled prefabricated balcony slab and a hoisting structure, which belong to the technical field of assembled buildings and comprise a bottom plate, wherein a reinforcing bar is fixed in the bottom plate, one end of the reinforcing bar penetrates out of the bottom plate and is used for being lapped with a floor slab reinforcing bar, a hoisting groove is formed in the bottom plate, and the hoisting groove is vertically formed; the vertical cell wall that runs through two facies of hoist and mount groove is no less than one to the arrangement of reinforcement in the bottom plate, and this application is through setting aside the hoist and mount groove when prefabricating the balcony board, provides the tie point for the hoist, then pour in the balcony board is fixed time with the floor in same process again, need not other processes and handle the balcony board, have the effect of saving man-hour.

Description

Prefabricated balcony slab of assembled and hoisting structure

Technical Field

The application relates to the technical field of assembly type buildings, in particular to an assembly type prefabricated balcony slab and a hoisting structure.

Background

At present, the assembly type building is a trend of new-age development, the assembly type building does not completely abandon a site pouring link, but most building components are prefabricated in a factory in advance and then transported to a construction site for site assembly, but a small part of building structure still exists and needs to be poured on site.

The prefabricated balcony slab is hoisted through a crane, hoisting points required for hoisting are set in advance when the balcony slab is prefabricated, reinforcing steel bars are bent into a U shape and are embedded into the balcony slab, after the balcony slab is formed, the exposed parts of the embedded reinforcing steel bars are in a hanging ring shape and are used for hoisting the balcony slab through the crane, after the prefabricated balcony slab is hoisted and erected to a specified position, lap joint ribs reserved on the prefabricated balcony slab are in lap joint with the reinforcing steel bars laid in the floor slab, then the balcony slab and the floor slab are integrated and fixed through floor slab pouring, and finally workers cut off the exposed hanging ring-shaped reinforcing steel bars.

In the actual construction process, the inventor thinks that after the prefabricated balcony slab is hoisted, workers are required to cut off exposed hoisting ring-shaped reinforcing steel bars, the workers utilize a cutting machine to carry out on-site cutting, and one more procedure is added, so that the defect of delaying the hoisting construction progress of the integrally-assembled building exists.

Disclosure of Invention

In order to guarantee the construction progress of unit-installment building hoist and mount, this application provides a prefabricated balcony slab of assembled and hoisting structure.

The application provides a prefabricated balcony slab of assembled adopts following technical scheme:

an assembled prefabricated balcony slab comprises a bottom plate, wherein reinforcing bars are fixed in the bottom plate, one ends of the reinforcing bars penetrate through the bottom plate and are used for being in lap joint with reinforcing steel bars of a floor slab, hoisting grooves are formed in the bottom plate, and the hoisting grooves are vertically formed; the reinforcing bar in the bottom plate is not less than one vertical groove wall which penetrates through two opposite vertical groove walls of the hoisting groove.

Through adopting above-mentioned technical scheme, when hoisting equipment hoists the balcony slab, can be connected the reinforcing bar that hoisting equipment and hoisting inslot exposed, then hoist the balcony slab to the assigned position, carry out the overlap joint with the reinforcing bar of balcony slab and the reinforcing bar of floor, pour the balcony slab together when the floor is poured at last fixed, partial concrete when utilizing the floor to pour simultaneously pours the hoisting groove, it is fixed to utilize original process to the balcony slab, still avoided cutting balcony slab to expose this process of reinforcing bar, finally reach and save man-hour, guarantee the effect of assembled engineering progress.

This application still provides a hoisting structure of prefabricated balcony board of assembled adopts following technical scheme:

a hoisting structure of an assembled prefabricated balcony slab comprises a balance beam, wherein at least two groups of lifting equipment are fixed on the balance beam; the balcony slab comprises a bottom plate, a reinforcing bar is fixed in the bottom plate, one end of the reinforcing bar penetrates out of the bottom plate and is used for being lapped with a floor slab reinforcing bar, hoisting grooves are formed in the bottom plate, the number of the hoisting grooves corresponds to the number of hoisting equipment, and the hoisting grooves are vertically formed; the reinforcing bar in the bottom plate is not less than one vertical groove wall which penetrates through two opposite vertical groove walls of the hoisting groove; the lifting equipment is hung on the male platen by the exposed reinforcing bar hook in the hoisting groove.

By adopting the technical scheme, the balance beam is hoisted by a conventional crane, a plurality of groups of hoisting equipment fixed on the balance beam are fixed with the reinforcing bars exposed in the corresponding hoisting grooves, so that the male platen is hoisted, the arrangement of the groups of hoisting equipment plays a role in balancing and stabilizing during hoisting of the male platen, the male platen is hoisted to a specified position, the reinforcing bars of the male platen are lapped with the reinforcing bars of a floor slab, the male platen is cast and fixed together when the floor slab is finally cast, meanwhile, partial concrete during casting of the floor slab is cast in the hoisting grooves, the male platen is fixed by utilizing the original process, the process that the reinforcing bars are exposed outside the male platen is avoided, the work time is saved, and the effect of the assembly type engineering progress is ensured.

Optionally, the lifting device comprises a lifting hook and a chain, one end of the chain is fixedly connected with the balance beam, and the other end of the chain is fixedly connected with the lifting hook; the chain is connected with an anti-bouncing plate in a sliding mode, the anti-bouncing plate slides towards the position close to or far away from the opening of the lifting hook along the length direction of the chain, and the anti-bouncing plate covers the opening of the lifting hook.

By adopting the technical scheme, the high-altitude hoisting needs to pay attention to the vibration of hoisting equipment and the blowing of high-altitude wind, so that the possibility that the lifting hook is separated from the floor slab reinforcement is reduced due to the existence of the springboard, and the safety in construction is improved.

Optionally, a first half plate and a second half plate are arranged between the springboard and the chain, one end of the first half plate is rotatably connected with one end of the second half plate, the other end of the first half plate is magnetically connected with the other end of the second half plate, and the first half plate and the second half plate are enclosed into a ring to clamp the chain.

Through adopting above-mentioned technical scheme, first half board and the half board of second enclose into cyclic annular with the chain centre gripping, adopt the mode of magnetism to inhale can realize the quick installation of the relative chain of first half board and the half board of second, have promoted work efficiency.

Optionally, a positioning pin is arranged on the first half plate, one end of the positioning pin is fixedly connected with the side wall of the first half plate facing the second half plate, and the other end of the positioning pin penetrates through the chain; the positioning needle is arranged along the length direction of the vertical chain.

Through adopting above-mentioned technical scheme, when first half board and second half board produced the gliding trend downwards, on the one hand magnetism inhales and makes first half board and second half board carry out the centre gripping to the chain, and on the other hand runs through the chain through the pilot pin to remove to resist first half board and second half board gliding trend downwards, improve first half board and second half board centre gripping stability on the chain.

Optionally, the first half plate is provided with a non-return assembly, and the non-return assembly applies downward pressure to the anti-bounce plate; the non-return assembly comprises a guide strip plate, a non-return rod, a pressing plate and a torsion spring, the guide strip plate is arranged along the length direction of the chain, one end of the guide strip plate is fixedly connected with the outer wall of the first half plate, and the side wall of the guide strip plate, which is far away from the chain, is rack-shaped; the pressing plate is arranged on the guide strip plate in a sliding manner and slides along the length direction of the guide strip plate; one end of the non-return rod is hinged with the pressing plate, and the other end of the non-return rod is abutted against one rack-shaped side of the guide strip plate; the torsional spring is fixed between the check rod and the pressure plate.

Through adopting above-mentioned technical scheme, the direction slat provides the slip route for the slip of clamp plate, the tip that the clamp plate was kept away from to the non return pole can the butt all the time on the direction slat by the setting up of torsional spring, and the direction slat is just in time for the rack form towards the lateral wall of non return pole, thereby the clamp plate drives the non return pole and can only the downstream, during the rebound, the torsional spring forces the non return pole and takes place the hindrance with the rack, thereby make the unable rebound of clamp plate, unless the workman dials away the non return pole with the hand, make the non return pole not with the direction slat butt, finally only can the subassembly exert the holding down force to preventing the springboard, prevent that the springboard has played the guarantee to construction safety.

Optionally, the balcony slab further comprises a baffle, the baffle is located on one side of the bottom plate and perpendicular to the bottom plate, a limiting pipe is arranged on the chain, one end of the limiting pipe is connected with the chain in a sliding mode, the sliding direction slides along the length direction of the chain, and the other end of the limiting pipe is abutted to the side wall of the baffle, which deviates from the chain.

Through adopting above-mentioned technical scheme, the function that the existence of baffle made the balcony is more perfect, has the baffle on the balcony at the back, so the people stand on the balcony, and the protection that has the baffle can be safer, has had the existence of baffle after, and the bottom plate can be to the direction slope that has the baffle during hoist and mount, and the setting of spacing pipe is to keeping away from the chain to the baffle and put the slope of orientation and play and block the effect.

Optionally, an auxiliary rod is arranged on the limiting pipe in a sliding manner, the auxiliary rod slides along the length direction of the limiting pipe, and the auxiliary rod is arranged vertically; the limiting pipe is matched with the auxiliary rod to limit the baffle plate to move in the direction close to or far away from the chain.

Through adopting above-mentioned technical scheme, the effect of auxiliary rod cooperation spacing pipe to the baffle has formed the centre gripping to stability when having promoted the balcony board hoist and mount once more.

Optionally, the outer wall of the limiting pipe is provided with a sliding groove and a limiting groove, the sliding groove is formed along the length direction of the limiting pipe, the limiting groove is vertically formed and provided with a plurality of limiting grooves, the limiting groove is located on the groove wall of the sliding groove close to the lifting hook, the adjacent limiting grooves are formed at equal intervals, a sliding block is fixed on the auxiliary rod, the sliding block penetrates through the sliding groove to slide inside the limiting pipe and does not separate from the limiting pipe, and the sliding block slides to a designated position and then falls into the limiting groove.

Through adopting above-mentioned technical scheme, the offering of spacing groove and spout, make full use of the inner space of spacing pipe, supply the slider to hold, the slider slides in spacing groove and spout, makes the auxiliary rod location different position departments on spacing pipe to the baffle of the different thickness of centre gripping of being convenient for has promoted the operation convenience.

Optionally, a through hole is formed in the anti-bouncing plate, the chain penetrates through the through hole, a rubber ring is fixed on the anti-bouncing plate, the outer wall of the rubber ring is fixedly connected with the wall of the through hole, and the rubber ring is located between the chain and the anti-bouncing plate.

Through adopting above-mentioned technical scheme, the rubber ring is compared in preventing the springboard softer, when preventing the springboard along chain length direction slip, the existence of rubber ring makes the slip of preventing the springboard more smooth, has reduced the rigidity collision.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the hoisting groove is arranged and matched with the lifting equipment, so that the original embedded exposed reinforcing steel bars do not need to be cut after the balcony slab is hoisted, the floor slab pouring process is directly complied with, the hoisting groove is poured and covered, and the whole working time of the assembly type building installation is saved;

2. due to the arrangement of the anti-jumping plate, the non-return assembly, the first half plate and the second half plate, the phenomena of jumping and falling of hooks are prevented, and the safety of the balcony slab in the hoisting process is improved;

3. the arrangement of the limiting pipe and the auxiliary rod further improves the safety of the balcony slab in the hoisting process.

Drawings

FIG. 1 is a schematic view of an assembled prefabricated balcony slab;

FIG. 2 is a schematic view of the overall structure of a hoisting structure of an assembled prefabricated balcony slab;

FIG. 3 is a schematic view of a portion of the structure at the protruding check assembly;

fig. 4 is a schematic view of a part of the structure at the position of the auxiliary rod.

In the figure, 1, a bottom plate; 11. reinforcing bars; 12. hoisting the groove; 13. a baffle plate; 2. a balance beam; 3. a lifting device; 31. a chain; 32. a hook; 4. a springboard is prevented; 41. a through hole; 42. a rubber ring; 5. a first half-plate; 51. a positioning pin; 6. a second half-plate; 7. a check assembly; 71. a guide slat; 72. a check rod; 73. pressing a plate; 74. a torsion spring; 8. a limiting pipe; 81. a chute; 82. a limiting groove; 9. an auxiliary lever; 91. a slide block.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses prefabricated balcony board of assembled and hoisting structure.

Referring to fig. 1, an assembled prefabricated balcony slab comprises a bottom plate 1, wherein a hoisting groove 12 is formed in the bottom plate 1, a reinforcing bar 11 is fixed inside the bottom plate 1, the hoisting groove 12 is in a vertical state when the bottom plate 1 is in a horizontal state, the reinforcing bar 11 in the bottom plate 1 penetrates through two opposite groove walls of the hoisting groove 12, and the number of the reinforcing bar 11 penetrating through the two opposite groove walls of the hoisting groove 12 is not less than one.

The bottom plate 1 has just reserved the hoist and mount groove 12 when prefabricated, the lifting device can adopt the crane, the lifting hook of crane gos deep into in the hoist and mount groove 12, carry out the hook with exposed arrangement of reinforcement 11 in the hoist and mount groove 12, after the balcony slab hoists the assigned position, take off the lifting hook, carry out the overlap joint with the arrangement of reinforcement 11 of balcony slab and the arrangement of reinforcement 11 of floor, then pour the floor, when pouring the floor will hoist the groove 12 simultaneously and pour the burying, reach balcony slab hoist and mount convenience, and comply with the hoist and mount process of integrally assembled building, reach the effect of saving man-hour.

Referring to fig. 2 and 3, the hoisting structure of the assembled prefabricated balcony slab comprises balance beams 2, the balance beams 2 can be made of i-shaped steel in the embodiment, lifting devices 3 are arranged on the balance beams 2, and the number of the lifting devices 3 is not less than two; lifting means 3 includes chain 31 and lifting

hook

32, 31 one end of chain and 2 fixed connection of compensating beam, the other end and lifting hook 32 fixed connection, can also adopt the chain 31 that possesses the electric block function in this implementation on the chain 31 to the realization is to the control of 31 lengths of chain.

Referring to fig. 2, the prefabricated balcony slab comprises a bottom plate 1 and a baffle 13, wherein the bottom plate 1 and the baffle 13 are vertically fixed and form an L shape. The bottom plate 1 is provided with a hoisting groove 12, the hoisting groove 12 is vertically arranged with the bottom plate 1, when the baffle 13 is in a horizontal state, the hoisting groove 12 is in a vertical state, the opening of the hoisting groove is upward, the bottom plate 1 is internally provided with a reinforcement 11, the reinforcement 11 in the plate penetrates through two opposite groove walls of the hoisting groove 12, and the number of the reinforcement 11 penetrating through the two opposite groove walls of the hoisting groove 12 is not less than one; the number of the hoisting grooves 12 corresponds to the number of the hoisting equipment 3.

Referring to fig. 2 and 3, a chain 31 is provided with a first half plate 5, a second half plate 6, a positioning pin 51 and a check assembly 7, the first half plate 5 and the second half plate 6 are arc-shaped plate-shaped in this embodiment, the arc concave surfaces of the two are arranged oppositely, one end of the first half plate 5 is rotatably connected with one end of the second half plate 6, a rotating shaft is vertically arranged, the other end of the first half plate 5 is fixed with a magnet, one end of the second half plate 6 far away from the rotating shaft is also fixed with a magnet, the first half plate 5 is magnetically connected with the second half plate 6, and the two magnets are magnetically adsorbed, so that the first half plate 5 and the second half plate 6 form a ring shape, and the ring sleeve is clamped on the chain 31; the pilot pin 51 level sets up, and pilot pin 51 one end is fixed on first half board 5 arc concave surface, and the other end runs through corresponding chain 31, because conventional chain 31 and the chain 31 in this embodiment all adopt the chain 31 that the ring detained mutually, so the pilot pin 51 runs through and can promote the stability after chain 31 fixes on chain 31 of first half board 5 and second half board 6.

Referring to fig. 3, non return subassembly 7 includes direction slat 71, non return pole 72, clamp plate 73 and torsional spring 74, direction slat 71 is rectangular form, direction slat 71 one end and first half board 5 fixed connection, direction slat 71 length direction is complied with the setting of chain 31 length direction, the lateral wall that direction slat 71 deviates from chain 31 is the rack form, the tooth on the direction slat 71 is triangle-shaped in this embodiment, direction slat 71 is vertical under, the tooth bottom surface is the horizontal plane, the tooth top surface is the inclined plane, the incline direction is along keeping away from the slope of direction slat and setting up downwards. The pressing plate 73 is sleeved on the guide strip plate 71 in a ring mode, one end of the check rod 72 is hinged to the pressing plate 73, the other end of the check rod 72 is abutted to teeth on the guide strip plate 71, the torsion spring 74 is located between the check rod 72 and the pressing plate 73, one end of the torsion spring 74 is fixedly connected with the side wall, close to the chain 31, of the check rod 72, and the other end of the torsion spring 74 is fixedly connected with the pressing plate 73; the pressing plate 73 drives the check rod 72 to slide on the guide strip 71 through the torsion spring 74, and the sliding direction slides along the length direction of the guide strip 71.

Referring to fig. 2 and 3, the chain 31 is sleeved with the anti-jump plate 4, that is, the anti-jump plate 4 is provided with a through hole 41, the chain 31 penetrates through the through hole 41, the anti-jump plate 4 is provided with a rubber ring 42, the outer wall of the rubber ring 42 is fixedly connected with the hole wall of the through hole 41, the rubber ring 42 is located between the hole wall of the through hole 41 and the chain 31, and after the guide lath 71 is installed, the rubber ring 42 can still simultaneously sleeve the guide lath 71 and the chain 31.

Referring to fig. 2 and 4, the chain 31 is further provided with a limiting pipe 8 and an auxiliary rod 9, one end of the limiting pipe 8 is sleeved on the chain 31, and the joint of the limiting pipe 8 and the chain 31 can be similarly provided with a set of non-return assembly 7, a first half plate 5, a second half plate 6 and a positioning pin 51, so that the movement of the limiting pipe 8 in the vertical direction is limited, and the limiting pipe 8 is prevented from jumping up. The limiting pipe 8 can be in an L-shaped tubular shape or an arc tubular shape, in the embodiment, the limiting pipe 8 is in an arc tubular shape, and the outer wall of one end, far away from the chain 31, of the limiting pipe 8 is abutted against the side wall, far away from the chain 31, of the baffle 13; the limiting pipe 8 is provided with a sliding groove 81 and a limiting groove 82, the sliding groove 81 slides along the length direction of the limiting pipe 8, the length of the sliding groove 81 is smaller than that of the limiting pipe 8, the limiting groove 82 is vertically formed, the limiting groove 82 is formed in the sliding groove 81 and is positioned on the groove wall of one side, close to the ground, of the sliding groove 81, a plurality of limiting grooves 82 are formed, and adjacent limiting grooves 82 are formed at equal intervals; the vertical setting of auxiliary rod 9 is fixed with slider 91 on the auxiliary rod 9, and slider 91 adopts the T-shaped piece in this embodiment, and slider 91 runs through spout 81 and slides in spacing pipe 8, and after auxiliary rod 9 slided suitable position, slider 91 whereabouts to spacing inslot 82, realization auxiliary rod 9's location.

The implementation principle of the hoisting structure of the prefabricated balcony slab of the embodiment of the application is as follows: the lifting hook 32 and the reinforcing bars 11 exposed in the lifting groove 12 are hooked on the ground, then the opening of the lifting hook 32 is closed by the sliding anti-jump plate 4, then the first half plate 5 and the second half plate 6 are installed, after the installation is finished, the sliding non-return assembly 7 limits the anti-jump plate 4, the limiting pipe 8 and the auxiliary rod 9 slide to enable the limiting pipe 8 and the auxiliary rod 9 to form a clamping state on the baffle 13, then the balance beam 2 is lifted by a crane, after the male bedplate is lifted to a specified position, the floor slab is poured, meanwhile, the lifting groove 12 in the male bedplate is poured and leveled, the lifting of the whole male bedplate is completed, and the safety and the high efficiency are realized.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a hoisting structure of prefabricated balcony slab of assembled which characterized in that: comprises a balance beam (2), wherein at least two groups of lifting equipment (3) are fixed on the balance beam (2); the balcony slab comprises a bottom plate (1), reinforcing bars (11) are fixed in the bottom plate (1), one ends of the reinforcing bars (11) penetrate through the bottom plate (1) and are used for being in lap joint with floor slab reinforcing steel bars, hoisting grooves (12) are formed in the bottom plate (1), the number of the hoisting grooves (12) corresponds to the number of the hoisting devices (3), and the hoisting grooves (12) are vertically formed; the reinforcing bar (11) in the bottom plate (1) is not less than one of two opposite vertical groove walls penetrating through the hoisting groove (12); hoisting equipment (3) and a reinforcing bar (11) exposed in the hoisting groove (12) are hooked to hoist the balcony slab; the lifting equipment (3) comprises a lifting hook (32) and a chain (31), one end of the chain (31) is fixedly connected with the balance beam (2), and the other end of the chain is fixedly connected with the lifting hook (32); the anti-jumping plate (4) is connected to the chain (31) in a sliding mode, the anti-jumping plate (4) slides towards or away from the opening of the lifting hook (32) along the length direction of the chain (31), and the opening of the lifting hook (32) is covered by the anti-jumping plate (4); a first half plate (5) and a second half plate (6) are arranged between the anti-springing plate (4) and the chain (31), one end of the first half plate (5) is rotatably connected with one end of the second half plate (6), the other end of the first half plate (5) is magnetically connected with the other end of the second half plate (6), and the first half plate (5) and the second half plate (6) enclose into a ring shape to clamp the chain (31); the balcony slab further comprises a baffle (13), the baffle (13) is positioned on one side of the bottom plate (1) and is perpendicular to the bottom plate (1), a limiting pipe (8) is arranged on the chain (31), one end of the limiting pipe (8) is connected with the chain (31) in a sliding mode, the sliding direction slides along the length direction of the chain (31), and the other end of the limiting pipe is abutted to the side wall, away from the chain (31), of the baffle (13); the limiting pipe (8) is provided with an auxiliary rod (9) in a sliding mode, the auxiliary rod (9) slides along the length direction of the limiting pipe (8), and the auxiliary rod (9) is arranged vertically; the limiting pipe (8) is matched with the auxiliary rod (9) to limit the baffle (13) to move in the direction close to or far away from the chain (31).

2. The hoisting structure of the prefabricated balcony slab of claim 1, wherein: a positioning needle (51) is arranged on the first half plate (5), one end of the positioning needle (51) is fixedly connected with the side wall of the first half plate (5) facing the second half plate (6), and the other end of the positioning needle penetrates through the chain (31); the positioning needle (51) is arranged along the length direction of the vertical chain (31).

3. The hoisting structure of the prefabricated balcony slab of claim 1, wherein: the first half plate (5) is provided with a check assembly (7), and the check assembly (7) applies downward pressure to the anti-bouncing plate (4); the non-return assembly (7) comprises a guide strip plate (71), a non-return rod (72), a pressing plate (73) and a torsion spring (74), the guide strip plate (71) is arranged along the length direction of the chain (31), one end of the guide strip plate (71) is fixedly connected with the outer wall of the first half plate (5), and the side wall of the guide strip plate (71) departing from the chain (31) is rack-shaped; the pressing plate (73) is arranged on the guide strip plate (71) in a sliding manner, and the pressing plate (73) slides along the length direction of the guide strip plate (71); one end of the check rod (72) is hinged with the pressing plate (73), and the other end of the check rod is abutted against one rack-shaped side of the guide strip plate (71); the torsion spring (74) is fixed between the check rod (72) and the pressure plate (73).

4. The hoisting structure of prefabricated balcony slab of assembled of claim 1, characterized in that: seted up spout (81) and spacing groove (82) on spacing pipe (8) outer wall, spout (81) are seted up along spacing pipe (8) length direction, spacing groove (82) are vertical to be seted up and have been seted up a plurality ofly, spacing groove (82) are located spout (81) and are close to the cell wall of lifting hook (32), adjacent spacing groove (82) equidistance is seted up, be fixed with slider (91) on auxiliary rod (9), slider (91) run through spout (81) and slide and do not deviate from spacing pipe (8) in spacing pipe (8) inside, slider (91) slide and fall down in spacing groove (82) after the assigned position.

5. The hoisting structure of the prefabricated balcony slab of claim 1, wherein: the anti-bouncing plate (4) is provided with a through hole (41), the chain (31) penetrates through the through hole (41), a rubber ring (42) is fixed on the anti-bouncing plate (4), the outer wall of the rubber ring (42) is fixedly connected with the wall of the through hole (41), and the rubber ring (42) is positioned between the chain (31) and the anti-bouncing plate (4).