CN218757896U

CN218757896U - Narrow reinforcing balcony

Info

Publication number: CN218757896U
Application number: CN202222937579.7U
Authority: CN
Inventors: 杨晓琛; 马伟光
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-11-04
Filing date: 2022-11-04
Publication date: 2023-03-28
Anticipated expiration: 2032-11-04

Abstract

The utility model relates to a building technical field especially relates to a narrow width is consolidated and is chosen balcony, the utility model discloses an on choose board, guardrail and the subassembly of choosing outward, choose the board level setting on, choose board one side on and pass building wall and be connected with the interior floor of building, on choose to be provided with the guardrail on the board, the below of choosing the board is equipped with the subassembly of choosing outward, chooses the subassembly outward including transversely setting up two dead levers of choosing the board bottom at last, two dead lever cooperations are provided with a plurality of block bases, and a plurality of block bases set up under on choosing the board, every dead lever and every block base grafting cooperation, it passes building wall and is connected with the interior place floor that the board corresponds of choosing the board on with the building to choose the board down, the both ends of choosing the board down are provided with an inserted block respectively, and every inserted block cooperation is provided with the grip block, grip block and inserted block grafting cooperation, the grip block towards building wall's one end and building wall fixed connection.

Description

Narrow reinforcing balcony

Technical Field

The utility model relates to a building technical field especially relates to a balcony is chosen in narrow width reinforcement.

Background

The balcony is also called a convex balcony, namely a cantilever balcony relative to a concave balcony. The balcony is formed by projecting a balcony floor outwards from an outer wall, and the projecting balcony is a projecting balcony, so that the bottom of the projecting balcony needs to be reinforced, and the projecting balcony can be used.

At present, when a balcony is reinforced, an outer lower cantilever plate or an outer cantilever beam is selected to support according to the convex width of the balcony, the outer lower cantilever plate or the outer cantilever beam is used for reinforcing the balcony in the convex structural form, the respective structural form and the supporting direction of the outer lower cantilever plate or the outer cantilever beam are single, the width of the outer lower cantilever plate suitable for the balcony is limited to be within 1.5m, when the width of the balcony is slightly larger than 1.5m, the outer cantilever beam must be selected to support, the length of the outer cantilever beam extending outwards is long, the occupied space is large, a large configuration difference exists for the structural form of the balcony, which is slightly larger than 1.5m, the applicable limit of the outer lower cantilever plate and the outer cantilever beam is obvious, and an outer cantilever member used in a middle transition mode is lacked.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art when strengthening for choosing the balcony, cantilever board or choose the roof beam separately and support the direction all comparatively single outward down, cantilever board is suitable for the width of choosing the balcony outward and only is in 1.5m down, when choosing the width of balcony and be a little more than 1.5m, just must select outer cantilever beam support outward, the length that the outer cantilever beam evagination extends is longer, occupation space is great, the structural style that is a little more than 1.5m to the width of balcony exists great configuration gap, cantilever board and outer cantilever beam's suitable boundary is obvious down outward, lack the problem of choosing the component outward of middle transitional use, and the balcony is strengthened to a narrow width that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a balcony is chosen in narrow width reinforcement, includes and encorbelments board, guardrail and chooses the subassembly outward, on encorbelment the board level setting, on encorbelment board one side and pass building wall and be connected with the interior floor of building, on encorbelment and be provided with the guardrail on the board, on encorbelment the below of board and be provided with the subassembly of encorbelmenting outward, the subassembly of encorbelmenting outward is including transversely setting up two dead levers in the board bottom of encorbelmenting, and two dead lever cooperations are provided with a plurality of block seats, and a plurality of block seats set up under and on encorbelmenting the board, every dead lever and every block seat grafting cooperation, it passes building wall and is connected with the interior place floor that the board corresponds of encorbelmenting of building wall down to elect the board, the both ends of encorbelmenting the board are provided with an inserted block respectively, and every inserted block cooperation is provided with the grip block, the grip block is towards building wall's one end and building wall fixed connection.

As a preferable scheme: the clamping seat is a rectangular seat body, the length direction of the rectangular seat body is the same as the width direction of the lower cantilever plate, two grooves are machined in the top surface of the rectangular seat body, and the grooves and the fixing rods are in one-to-one inserting fit.

As a preferable scheme: a plurality of clamping seats are arranged on the top surface of the lower cantilever plate, the clamping seats are arranged on the lower cantilever plate along the length direction of the lower cantilever plate, the width direction of the clamping seats is the same as the length direction of the lower cantilever plate, and the width of each clamping seat is W ₁ The distance between every two adjacent clamping seats is W ₂ And the sum of the width of the clamping seats and the sum of the distance between each two adjacent clamping seats is not less than two thirds of the length of the lower cantilever plate.

As a preferable scheme: and one side of the clamping plate facing the lower picking plate is provided with a slot matched with the insertion block.

As a preferable scheme: when the outward flange of last ram and the outward flange of ram down are in on same vertical face, the guardrail cooperation is provided with straight body balcony enclosure, the guardrail includes two monomer surrounding pieces, two monomer surrounding pieces set up respectively at the both ends of last ram, every monomer surrounding piece is L shape lamellar body, every L shape lamellar body includes main tributary vaulting pole and a plurality of pin, the vertical setting of main tributary vaulting pole is on last ram, supreme arranging in proper order on the main tributary vaulting pole down is followed to a plurality of pin, a plurality of pin are L shape lamellar body, the clearance sets up between two adjacent pins, the one end and the main tributary vaulting pole fixed connection of every pin, the other end of every pin is the free end, every end of straight body balcony enclosure pastes tightly with a plurality of unsettled ends of monomer surrounding piece respectively, go up the ram, enclose between straight body balcony enclosure and two monomer surrounding pieces and close and be formed with first balcony area.

As a preferable scheme: when the outer edge of the upper cantilever slab protrudes out of the lower cantilever slab, a v-21274font wall sheet is arranged on the guardrail in a matched manner, the guardrail comprises two single enclosure sheets, the two single enclosure sheets are respectively arranged at two ends of the upper cantilever slab, each single enclosure sheet is an L-shaped sheet body, each L-shaped sheet body comprises a main support rod and a plurality of stop rods, the main support rod is vertically arranged on the upper cantilever slab, the stop rods are sequentially arranged on the main support rod from bottom to top, the stop rods are L-shaped sheet bodies, a gap is formed between every two adjacent stop rods, one end of each stop rod is fixedly connected with the main support rod, the other end of each stop rod is a free end, and each end of the v-shaped wall sheet is respectively tightly attached to a plurality of suspended ends of the single enclosure sheets, and a second balcony area is formed by enclosing the upper cantilever slab, the v-21274and the two single enclosure sheets.

As a preferable scheme: the stop lever is a square hollow lever body.

As a preferable scheme: the stop lever is replaced by a stop piece.

The utility model discloses following beneficial effect has:

the utility model discloses an it is the balcony reinforced structure form of the third form of a board and the outer roof beam of choosing to choose the subassembly outward under outer, the purpose is that can cooperate down when choosing the board slightly when 1.5m and choose the board, two dead levers and a plurality of block seats to combine together when choosing the board on, chooses the structural configuration's rationality outward to promote, sparingly chooses the materials outward, optimizes and chooses the balcony structure outward.

The utility model discloses well up choose the board and choose the board down and form a plurality of continuous groined type mosaic structure through mutually supporting between two dead levers and a plurality of block seats, choose the board on the reinforcing and choose joint strength between the board down, played the effect of choosing board bottom stable support on to reach the reinforced purpose of choosing outside the balcony, enlarged the dimensional range that traditional balcony supported with choosing the board, provide a configuration bilayer choose the reinforcing type of board and choose balcony structure.

Drawings

FIG. 1 is a schematic perspective view of a first balcony area according to the present invention;

fig. 2 is a schematic view of the structure of the present invention;

fig. 3 is a first side view cross-sectional structure diagram of the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 3;

FIG. 5 is a schematic perspective view of a second balcony area according to the present invention;

FIG. 6 is a schematic view showing a disassembled state of the second balcony region according to the present invention;

FIG. 7 is an enlarged view of the structure at B in FIG. 6;

fig. 8 is a second side view sectional structure diagram of the present invention;

fig. 9 is an enlarged schematic view of the structure at C in fig. 8.

Illustration of the drawings:

1. raising a plate; 1-1-straight balcony enclosing wall; 1-2-21274; 2. building a wall body; 3. a guardrail; 3-1-monomer sequin; 3-1-1-main support bar; 3-1-2-stop lever; 4. an outward picking assembly; 41. fixing the rod; 42. a clamping seat; 44. a lower picking plate; 46. inserting a block; 47. a slot; 48. a clamping plate; 49. a threaded rod; 5. placing the component; 51. a fixed block; 52. a rotating rod; 53. a limiting groove; 54. a placing table; 55. a movable groove; 56. positioning a rod; 57. a pull rod; 58. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The first embodiment is as follows: the embodiment is described with reference to fig. 1 to 9, and includes an upper cantilever plate 1, a guardrail 3 and an outer cantilever assembly, where the upper cantilever plate 1 is horizontally disposed, one side of the upper cantilever plate 1 passes through a building wall 2 to be connected with a floor in a building, the upper cantilever plate 1 is provided with the guardrail 3, the lower side of the upper cantilever plate 1 is provided with the outer cantilever assembly, the outer cantilever assembly includes two fixing rods 41 transversely disposed at the bottom of the upper cantilever plate 1, the two fixing rods 41 are provided with a plurality of engaging seats 42 in a matching manner, the plurality of engaging seats 42 are disposed on the lower cantilever plate 44, each fixing rod 41 is in an inserting and matching manner with each engaging seat 42, the lower cantilever plate 44 passes through the building wall 2 to be connected with the floor in the building corresponding to the upper cantilever plate 1, two ends of the lower cantilever plate 44 are respectively provided with an inserting block 46, each inserting block 46 is provided with a clamping plate 48 in a matching manner, the clamping plate 48 is in inserting and matching with the inserting block 46, and one end of the clamping plate 48 facing the building wall 2 is fixedly connected with the building wall 2.

The joint support 42 and the dead lever 41 violently indulge multiposition plug-in connection and strengthen the joint strength who is in the board 1 of encorbelmenting on of the end of encorbelmenting and board 44 down, and board 1 and the board 44 of encorbelmenting form the bilayer simultaneously and choose the board relation directly to be connected with the building in place floor, also strengthened the utility model discloses overall structure set up intensity and use reliability, reduce the epitaxial size of unsettled state.

Furthermore, the engaging seat 42 is a rectangular seat, the length direction of the rectangular seat is the same as the width direction of the lower raising plate 44, two grooves are machined on the top surface of the rectangular seat, and the grooves are in one-to-one corresponding insertion fit with the fixing rods 41.

Furthermore, a plurality of engaging seats 42 are disposed on the top surface of the lower cantilever 44, the plurality of engaging seats 42 are disposed on the lower cantilever 44 along the length direction of the lower cantilever 44, the width direction of the plurality of engaging seats 42 is the same as the length direction of the lower cantilever 44, and the width of each engaging seat 42 is W ₁ The distance between every two adjacent engaging seats 42 is W ₂ When the number of the engaging seats 42 is N, the sum of the widths of the N engaging seats 42 is NxW ₁ The total distance between the N engaging seats 42 is (N-1) multiplied by W ₂ The sum of the width of the plurality of engaging seats 42 and the sum of the distance between every two adjacent engaging seats 42 is (N-1) multiplied by W ₂ +N×W ₁ ，(N-1)×W ₂ +N×W ₁ Is two thirds of the length of the lower cantilever 44, (N-1). Times.W ₂ +N×W ₁ The maximum value of (2) is the length of the lower cantilever plate 44, so that the effective arrangement density of the clamping seats 42 in a limited length can be ensured.

The reinforced balcony consisting of the upper cantilever plate 1, the guardrail 3 and the outer cantilever assembly in the embodiment has more stable bending resistance, shearing resistance and torsion resistance than the common balcony.

Further, a slot 47 for engaging the insert 46 is formed on a side of each clamping plate 48 facing the lower pick plate 44. The up end of every grip block 48 flushes the setting with the up end of the board 1 of choosing on mutually to realize that two grip blocks 48 when stablizing the centre gripping and choosing the board 44 down, can also realize the clamping action to the board 1 of choosing on simultaneously, strengthen the board 44 of choosing down and the joint strength who chooses the board 1 on.

In the embodiment, the upper cantilever plate 1 and the lower cantilever plate 44 are integrally connected with the floor of the building, and are integrally formed during pouring, the upper cantilever plate 1 and the floor of the building can be arranged in a flush manner during pouring, the lower cantilever plate 44 is connected in a staggered connection manner of the floor of the building, the upper cantilever plate and the lower cantilever plate are not arranged in a flush manner, and other arrangement manners can be specifically designed according to structural design requirements.

The second embodiment is as follows: the embodiment is a further limitation of the first embodiment, when the outer edge of the upper cantilever 1 and the outer edge of the lower cantilever 44 are on the same vertical plane, the guardrail 3 is cooperatively provided with a straight balcony enclosure 1-1, the guardrail 3 comprises two single enclosure sheets 3-1, the two single enclosure sheets 3-1 are respectively disposed at two ends of the upper cantilever 1, each single enclosure sheet 3-1 is an L-shaped sheet, each L-shaped sheet comprises a main support rod 3-1-1 and a plurality of stop rods 3-1-2, the main support rod 3-1-1 is vertically disposed on the upper cantilever 1, the plurality of stop rods 3-1-2 are sequentially disposed on the main support rod 3-1-1 from bottom to top, the plurality of stop rods 3-1-2 are L-shaped sheets, a gap is disposed between two adjacent stop rods 3-1-2, one end of each stop rod 3-1-2 is fixedly connected with the main support rod 3-1-1, the other end of each stop rod 3-1-2 is an empty end, a suspended area between the straight enclosure sheet 1-1 and the single enclosure sheet 1-1 is tightly attached to the balcony 1, and the two single enclosure sheets are respectively attached to form a suspended area for the single balcony.

The third concrete implementation mode: the embodiment is further limited by the first specific embodiment, when the outer edge of the upper cantilever slab 1 protrudes out of the lower cantilever slab 44, a wall sheet 1-2 shaped like a Chinese character' 21274is arranged on the guardrail 3 in a matched manner, the guardrail 3 comprises two single enclosure sheets 3-1, the two single enclosure sheets 3-1 are respectively arranged at two ends of the upper cantilever slab 1, each single enclosure sheet 3-1 is an L-shaped sheet body, each L-shaped sheet body comprises a main support rod 3-1-1 and a plurality of baffle rods 3-1-2, the main support rod 3-1-1 is vertically arranged on the upper cantilever slab 1, the baffle rods 3-1-2 are sequentially arranged on the main support rod 3-1-1 from bottom to top, the baffle rods 3-1-2 are all L-shaped sheet bodies, a gap is formed between every two adjacent baffle rods 3-1-2, one end of each baffle rod 3-1-2 is fixedly connected with the main support rod 3-1-1, the other end of each baffle rod 3-1-2 is a free end, and a suspended area is formed by tightly attaching the single enclosure sheets 741-3 and a balcony wall sheet 741.

Furthermore, the stop lever 3-1-2 is a square hollow lever body, thereby being beneficial to reducing the dead weight of the fence 3.

Furthermore, the stop lever 3-1-2 is replaced by a stop piece, so that the self weight of the fence 3 can be reduced, and the bearing weight of the upper cantilever plate 1 can be reduced.

The utility model discloses in when threaded rod 49 set up the number for four, every grip block 48 has two for grip block 48 is connected with building wall 2, and when threaded rod 49 set up the number for six, every grip block 48 has threely, and threaded rod 49 that is in the lower of grip block 48 can also be connected insert 4 and slot 47's relative position further.

The first embodiment is as follows: referring to fig. 1-4, the embodiment is described, in this embodiment, the narrow reinforced balcony comprises an upper cantilever plate 1, a wall surface 2 and a guardrail 3, the upper cantilever plate 1 is disposed on an outer vertical surface of the wall surface 2, the guardrail 3 is disposed on a surface of the upper cantilever plate 1, the upper cantilever plate 1 is connected to the wall surface 2 through an outer cantilever assembly, the outer cantilever assembly comprises two sets of fixing rods 41 transversely disposed at a bottom of the upper cantilever plate 1, a plurality of engaging seats 42 are transversely slid on the fixing rods 41, the number of the engaging seats 42 disposed on a surface of the lower cantilever plate 44 is six, the six sets of engaging seats 42 are all designed at equal intervals, through the design, the engaging seats 42 can be engaged with one end of the lower cantilever plate 44, the other end of the lower cantilever plate 44 is fixedly connected with a floor in a building as a whole, thereby achieving the purpose of supporting the upper cantilever plate 1, through six sets of block seats 42 that set up, can increase the area of contact with the board 1 bottom of choosing on, dead lever 41 is the design of # -shaped with block seat 42, seted up in the block seat 42 with dead lever 41 assorted rectangular channel, through this design, can reach the purpose to choosing board 1 bottom support on through the # -shaped structure, block seat 42 bottom surface is provided with down and chooses board 44, it is provided with inserted block 46 to choose board 44 both sides surface down, inserted block 46 both sides surface all is provided with grip block 48, and grip block 48 and inserted block 46 laminating, slot 47 has all been seted up in the grip block 48 that inserted block 46 corresponds, grip block 48 front end surface symmetry is provided with three sets of threaded rods 49, and threaded rod 49 rotates and is connected with wall 2 at grip block 48 internal thread.

The lower cantilever plate 44 in this embodiment passes through the building wall 2 and is fixedly connected with the floor slab into a whole.

The width of the narrow reinforcing balcony in the embodiment is preferably 1.5 to 1.8 m. The structures and connection relationships that are not mentioned in this embodiment are the same as those in the first or second embodiment.

The second embodiment: referring to fig. 5-9, in the present embodiment, when the outer edge of the upper ram 1 protrudes out of the outer edge of the lower ram 44, that is, the outer edge of the upper ram 1 and the outer edge of the lower ram 44 are located on different vertical surfaces, the front end surface is provided with the placement module 5, the placement module 5 includes fixed blocks 51 symmetrically disposed on the front end surface of the upper ram 1, rotating rods 52 are rotated in the fixed blocks 51, limit grooves 53 are symmetrically disposed on the two end surfaces of the rotating rods 52 inserted into the fixed blocks 51, a placement platform 54 is disposed on the front end surface of the rotating rods 52, a movable groove 55 is disposed on the top end surface of the fixed blocks 51, positioning rods 56 are slid in the movable groove 55, the positioning rods 56 are designed in a rectangular shape, the limit grooves 53 are opened to be rectangular grooves matched with the positioning rods 56, and the positioning rods 56 are matched with the limit grooves 53, through the design, the positioning rods 56 can be sufficiently attached to the limit rotation of the rotating rods 52, the stability of the placement platform 54 is ensured, the top end surface of the positioning rods 56 is provided with a pull rod 57, a circular ring is disposed on the handle surface, the anti-slip ring is convenient for workers, the workers can prevent the workers from being wound by the pull rod 57, and the workers can be conveniently disposed in the hands of the workers, and the workers in the processes of the pull rod 57, and the workers.

The present embodiment can illustrate the functional principle thereof by the following operation modes:

when the upper cantilever plate 1 needs to be reinforced, the clamping seat 42 is aligned with the fixed rod 41, the clamping plate 48 drives the slot 47 to be sleeved on the inserting block 46, the threaded rod 49 is rotated in the internal thread of the clamping plate 48 and is connected with the wall surface 2, and the next clamping plate 48 is fixed in a similar way, so that the purpose of reinforcing the upper cantilever plate 1 is achieved, the bottom of the upper cantilever plate 1 is supported through the # -shaped design formed by the clamping seat 42 and the fixed rod 41, the purpose of reinforcing the upper cantilever plate 1 is achieved, and the existing fixing structure is optimized;

when the upper ram 1 needs to be used, firstly, the pull rod 57 is pulled in a direction away from the fixed block 51, the pull rod 57 drives the positioning rod 56 to slide into the movable groove 55 from the limiting groove 53, the positioning rod 56 is made to press the spring 58, the spring 58 is made to deform, the rotating rod 52 is rotated again, the rotating rod 52 slides in the fixed block 51, the rotating rod 52 drives the placing table 54 to rotate from the bottom of the upper ram 1 to be flush with the surface of the upper ram 1, at the moment, the pull rod 57 is loosened again, the elastic force generated by the spring 58 through extrusion pushes the positioning rod 56 to slide into the limiting groove 53, the positioning rod 56 is enabled to be abutted against the limiting groove 53, the placing table 54 is used again, and the usable area of the upper ram 1 is increased through the placing table 54.

In this embodiment, the fixing block 51, the rotating rod 52, the limiting groove 53, the placing table 54, the movable groove 55, the positioning rod 56, the pull rod 57 and the spring 58 are mutually matched, so that the rotating rod 52 rotates in the fixing block 51, the rotating rod 52 drives the placing table 54 to rotate to be flush with the top of the outer wall of the building wall 2, and then the positioning rod 56 rotates into the limiting groove 53, so that the purpose of fixing the placing table 54 is achieved, the using space of the upper cantilever plate 1 is increased through the placing table 54, that is, an area for a second balcony is formed, and the area for the second balcony is larger than the area for the first balcony. The structures and connection relationships that are not mentioned in this embodiment are the same as those in the first or third embodiment.

The utility model discloses typical structure has three kinds, and three kinds of typical structure differences are:

the first structure is that the outer edge of the upper cantilever plate 1 and the outer edge of the lower cantilever plate 44 are on the same vertical surface, and a straight balcony enclosing wall 1-1 is arranged on the upper cantilever plate 1 in a matching way. The first form is a narrow reinforced balcony form.

The second type is that the outer edge of the upper ram plate 1 protrudes out of the upper part of the lower ram plate 44, the outer edge of the upper ram plate 1 and the outer edge of the lower ram plate 44 are on different vertical surfaces, and a wall sheet 1-2 shaped like a Chinese character '21274' is arranged on the upper ram plate 1 in a matching way. Compared with the cantilever beam balcony, the balcony structure is also in a relatively narrow reinforced balcony structure form.

The third kind is for addding place the subassembly 5, and the outward flange evagination of upper cantilever plate 1 is in the top of lower cantilever plate 44, and the outward flange of upper cantilever plate 1 is in different vertical faces with the outward flange of lower cantilever plate 44, places the epitaxial size of subassembly 5 cooperation upper cantilever plate 1, realizes the balcony of relatively broad width in the overall structure and uses the district, and the secondary expands outward and sets up intensity and use the reliability stability, for choosing the roof beam balcony outward, also is a relatively narrow width's reinforcement balcony structural style.

Claims

1. The utility model provides a balcony is chosen in narrow width reinforcement which characterized in that: including encorbelmenting board (1), guardrail (3) and choosing the subassembly outward, encorbelment board (1) level setting on, encorbelment board (1) one side on and pass building wall (2) and be connected with the interior floor of building, be provided with guardrail (3) on encorbelmenting board (1), the below of encorbelmenting board (1) on is provided with chooses the subassembly outward, the subassembly of encorbelmenting outward is including transversely setting up two dead levers (41) in encorbelmenting board (1) bottom, and two dead lever (41) cooperations are provided with a plurality of block seats (42), and a plurality of block seats (42) set up on board (44) are encorbelmented down, every dead lever (41) and every block seat (42) grafting cooperation, it passes building wall (2) and is connected with the interior floor that encorbelments board (1) corresponds of building to ram board (44) down, the both ends of encorbelmenting board (44) are provided with an inserted block (46) respectively, and each inserted block (46) cooperation is provided with grip block (48), the fixed wall body (2) orientation building wall connection.

2. The narrow-width reinforced balcony according to claim 1, wherein: the clamping seat (42) is a rectangular seat body, the length direction of the rectangular seat body is the same as the width direction of the lower cantilever plate (44), two grooves are machined in the top surface of the rectangular seat body, and the grooves and the fixing rods (41) are correspondingly spliced and matched one by one.

3. The narrow-width reinforced balcony according to claim 1 or 2, wherein: a plurality of clamping seats (42) are arranged on the top surface of the lower picking plate (44), the clamping seats (42) are arranged on the lower picking plate (44) along the length direction of the lower picking plate (44), the width direction of the clamping seats (42) is the same as the length direction of the lower picking plate (44), and the width of each clamping seat (42) is W ₁ The distance between every two adjacent clamping seats (42) is W ₂ The sum of the width of the clamping seats (42) and the sum of the distance between each two adjacent clamping seats (42) is not less than two thirds of the length of the lower cantilever plate (44).

4. The narrow-width reinforced balcony according to claim 1, wherein: one side of the clamping plate (48) facing the lower cantilever plate (44) is provided with a slot (47) matched with the insertion block (46).

5. The narrow-width reinforced balcony according to claim 1, wherein: when the outer edge of the upper cantilever plate (1) and the outer edge of the lower cantilever plate (44) are positioned on the same vertical surface, the guardrail (3) is provided with a straight balcony enclosing wall (1-1) in a matching way, the guardrail (3) comprises two single enclosing pieces (3-1), the two single enclosing pieces (3-1) are respectively arranged at two ends of the upper cantilever (1), each single enclosing piece (3-1) is an L-shaped piece body, each L-shaped piece body comprises a main supporting rod (3-1-1) and a plurality of blocking rods (3-1-2), the main supporting rods (3-1-1) are vertically arranged on the upper cantilever (1), the blocking rods (3-1-2) are sequentially arranged on the main supporting rods (3-1-1) from bottom to top, the blocking rods (3-1-2) are L-shaped piece bodies, a gap is arranged between every two adjacent blocking rods (3-1-2), one end of each blocking rod (3-1-2) is fixedly connected with the main supporting rod (3-1-1), the other end of each blocking rod (3-1-2) is a suspension end, each end of each straight enclosing piece (1-1) is respectively connected with the single enclosing piece (3-1), and the balcony wall (1-1) and the first enclosing piece body is tightly attached to the balcony.

6. The narrow-width reinforced balcony according to claim 1, wherein: when the outer edge of the upper ram (1) protrudes out of the lower ram (44), the guardrail (3) is provided with a wall sheet (1-2) in a shape of a Chinese character '21274', the guardrail (3) comprises two single enclosing pieces (3-1), the two single enclosing pieces (3-1) are respectively arranged at two ends of the upper cantilever (1), each single enclosing piece (3-1) is an L-shaped piece body, each L-shaped piece body comprises a main supporting rod (3-1-1) and a plurality of blocking rods (3-1-2), the main supporting rods (3-1-1) are vertically arranged on the upper cantilever (1), the blocking rods (3-1-2) are sequentially arranged on the main supporting rods (3-1-1) from bottom to top, the blocking rods (3-1-2) are all L-shaped piece bodies, a gap is arranged between every two adjacent blocking rods (3-1-2), one end of each blocking rod (3-1-2) is fixedly connected with the main supporting rod (3-1-1), the other end of each blocking rod (3-1-2) is a free end, each end of each wall piece (1-2) is respectively connected with the upper single enclosing piece (3-1), and a plurality of suspending enclosing pieces (3-1-2) are tightly attached to form a second enclosing piece area for the balcony (1-2).

7. The narrow width reinforced balcony recited in claim 5 or 6, wherein: the stop lever (3-1-2) is a square hollow lever body.

8. The narrow-width reinforced balcony according to claim 7, wherein: the stop lever (3-1-2) is replaced by a stop piece.