CN220978745U - Cantilever beam and cantilever scaffold - Google Patents

Abstract

The utility model relates to the technical field of scaffolds, and discloses an overhanging beam and an overhanging scaffold, comprising: the first assembly comprises a hollow installation space, and is suitable for being fixedly connected with a building structure; the second component is arranged in the installation space, can move relative to the first component, and has a first state of being static relative to the first component and a second state of moving relative to the first component, and the second component is suitable for adjusting the length of the cantilever beam in the second state. Through setting up the second subassembly in the installation space of first subassembly, the length of cantilever beam is adjusted in the relative first subassembly motion of accessible second subassembly to the requirement to cantilever beam length when satisfying actual installation, and need not custom-made processing cantilever beam of multiple length or the independent welding I-steel again at cantilever beam tip, thereby improved the bearing capacity and the suitability of cantilever beam, greatly reduced input cost, shortened the preparation cycle, improved the practicality of cantilever beam, satisfied the suitability requirement of cantilever beam under the different operating modes.

Description

Cantilever beam and cantilever scaffold

Technical Field

The utility model relates to the technical field of scaffolds, in particular to a cantilever beam and a cantilever scaffold.

Background

The cantilever scaffold is a triangular steel bearing system formed by a horizontal cantilever beam, a flower basket diagonal draw bar and the side wall of a building structure, external corner and internal corner positions of the building structure are provided with external corner beams, internal corner beams and diagonal beams which form a certain angle with the building structure surface, and straight sections of other building structure surfaces adopt straight beams. The short limb overhanging scaffold is characterized in that overhanging beams are fixed on the outer side of a building structure by adopting wall penetrating bolts.

The short-limb overhanging scaffold usually draws a scaffold layout before building construction, and the lengths of the straight beam, the external angle beam, the internal angle beam and the inclined beam and the included angles with the building structural surface are marked very accurately. For the external angle and the internal angle of the building structure, external angle beams, internal angle beams and oblique beams with various angles are required to be manufactured according to the scaffold arrangement diagram; secondly, because of factory production errors, building structure face expanding die or the position deviation of embedded parts when the building structure is poured with concrete, the angles of the external angle beam, the internal angle beam and the oblique beam can not reach the actual construction requirements during actual installation, and a platform beam is added on the external angle beam, the internal angle beam or the oblique beam according to specific conditions on site so as to meet the requirements on the angles.

The height of the steel pipe base behind the platform beam is increased, the installation position of the sweeping rod is influenced, the fixed installation height of the sweeping rod and the vertical rod at the position needs to be increased, the installation mode causes the increase of workload, the increase of cost and the inconvenience in use. The prior art discloses a cantilever scaffold cantilever bearing steel beam rotation connection structure, as shown in fig. 1, one end of a base 01 is fixed on a main body structure 03 through a wall penetrating bolt 02, and the other end is hinged with a cantilever bearing steel beam 05 through a connecting bolt 04.

According to the technical scheme, the cantilever bearing steel beam 05 is hinged with the main body structure 03, so that the angle of the cantilever bearing steel beam 05 can be adjusted more conveniently, the angle of the cantilever bearing steel beam 05 can be adjusted according to the position of the vertical rod, and the installation requirement can be met without additionally arranging a platform beam; meanwhile, as the angle of the cantilever bearing steel beam 05 is adjustable, only an external angle beam, an internal angle beam and an inclined beam with one angle are manufactured respectively during production and processing, and the angle of the cantilever bearing steel beam 05 is adjusted according to a scaffold layout.

The external angle and the internal angle of the building structure have different requirements on the length of the cantilever beams, and the lengths of the cantilever beams used in the main structural engineering and the decoration engineering are also different, so that the cantilever beams with various lengths are required to be manufactured according to the scaffold layout, or I-beams are welded at the ends of the cantilever beams on site according to specific conditions so as to meet the length requirements. However, the cantilever beams with various lengths are manufactured with large workload, high manufacturing cost, poor adaptability and long manufacturing period, and the I-beams are welded at the end parts of the cantilever beams, so that the bearing capacity is reduced.

Disclosure of utility model

In view of the above, the utility model provides an overhanging beam and an overhanging scaffold, which are used for solving the problems of large workload, high manufacturing cost, poor suitability and long manufacturing period for manufacturing overhanging beams with various lengths, and reduced bearing capacity caused by welding I-beams at the end parts of the overhanging beams.

In a first aspect, the present utility model provides an overhanging beam comprising:

A first assembly comprising a hollow installation space, the first assembly being adapted for fixed connection with a building structure;

The second component is arranged in the installation space, can move relative to the first component, and has a first state of being static relative to the first component and a second state of moving relative to the first component, and the second component is suitable for adjusting the length of the cantilever beam in the second state.

The beneficial effects are that: through setting up the second subassembly in the installation space of first subassembly, and the relative first subassembly motion of accessible second subassembly, the length of cantilever beam is adjusted in the relative first subassembly motion of accessible second subassembly, to the requirement of cantilever beam length when satisfying actual installation, and need not custom-made processing cantilever beam of multiple length or the I-steel of welding alone again at cantilever beam tip, thereby improved the bearing capacity and the suitability of cantilever beam, greatly reduced input cost, shortened the preparation cycle, improved the practicality of cantilever beam, satisfy the suitability requirement of cantilever beam under the different operating modes.

In an alternative embodiment, the cantilever beam includes:

The first locking piece is arranged on the outer side of the first component, can move relative to the second component, and is fixed in the first state and is far away from the second component in the second state.

The beneficial effects are that: the length of the second component extending out of the first component is fixed through the first locking piece, so that the structure is stable, the structure is not easy to shake, and the use safety of the structure is improved.

In an alternative embodiment, a first mounting hole is formed on the outer side of the first component, and the first locking member passes through the first mounting hole to fix the second component or is far away from the second component.

In an alternative embodiment, the first locking member includes:

The connecting bolt can slide relative to the first mounting hole, and in the first state, the connecting bolt is abutted with the second assembly.

The beneficial effects are that: the connecting bolt is used for locking and fixing, so that the fixing mode is simple, and the fastening effect is good; the connecting bolt is arranged to slide relative to the first mounting hole, so that the length of the second component extending out of the first component can be increased.

In an alternative embodiment, the first locking member includes:

The reinforcing piece is sleeved on the first component, a second mounting hole is formed in the reinforcing piece, and the connecting bolt sequentially penetrates through the second mounting hole, and the first mounting hole and the second component are fixed or far away from each other.

The beneficial effects are that: through set up the reinforcement between connecting bolt and first subassembly, increase area of contact, connecting bolt is difficult for not hard up when fixed, and locking effect is better.

In an alternative embodiment, the second assembly includes:

A second component body;

And/or, a first limiting piece is arranged at one end of the second assembly body far away from the building structure, and the first limiting piece is in a limiting state abutting against the first assembly and is suitable for limiting the extending-in length of the second assembly relative to the first assembly;

and/or, the second limiting piece is arranged at one end of the second assembly body, which is close to the building structure, and is suitable for limiting the extension length of the second assembly relative to the first assembly;

And/or the anti-slip layer is arranged on one side, close to the first locking piece, of the second assembly body, and in the first state, the first locking piece is suitable for being abutted against the anti-slip layer.

The beneficial effects are that: the first limiting piece is arranged on the second component body, so that the extending length of the second component relative to the first component can be limited, and the second component is prevented from extending into the first component completely and not being pulled out; the second limiting piece is arranged on the second component body, so that the extending length of the second component relative to the first component can be limited, and the second component is prevented from sliding out of the first component to fall off, so that danger is prevented; through set up the skid resistant course on the second subassembly body, increase the frictional force of first retaining member and second subassembly body, it is more firm to fix.

In an alternative embodiment, the cantilever beam includes:

The third limiting piece is arranged at the end part, far away from the building structure, of the first component, and is matched with the second limiting piece and suitable for limiting the extension length of the second component.

In an alternative embodiment, the third limiting member includes:

The limiting body is sleeved outside the first component;

The blocking part extends inwards from one side of the limiting body along the direction perpendicular to the extending direction of the first assembly, the blocking part is matched with the second limiting part, an opening with the same cross section shape as that of the second assembly body is formed in the blocking part, and the opening is suitable for the second assembly body to move.

The beneficial effects are that: through set up the blocking part in spacing body one side, be provided with the opening that just enough second subassembly body passed through on the blocking part, the blocking part can with the stretch out length of second subassembly of second locating part cooperation restriction, the opening can restrict the stretch out direction of second subassembly.

In an alternative embodiment, the second component is i-steel, and the opening on the blocking part is i-shaped;

And/or the second limiting piece is arranged on at least one of the left side and the right side of the second assembly.

The beneficial effects are that: the I-steel is selected by the second component, so that the bearing capacity of the I-steel is high, the structure is stable, the manufacturing mode is simple, and the processing is convenient; the second limiting piece is arranged on at least one side of the second component, and when the second limiting piece is abutted with the blocking part, the cantilever beam is stable in structure.

In a second aspect, the present utility model also provides a cantilever scaffold comprising:

One end of the base is suitable for being fixedly connected with the building structure;

the cantilever beam is connected to the other end of the base.

The beneficial effects are that: the cantilever beam is fixed on a building structure through the base, the base is fixed on the building structure during installation, and then the cantilever beam is connected with the base, so that the installation is convenient, and the structure is stable.

In an alternative embodiment, the cantilever beam is rotatably connected to the other end of the base and has a third state of rest relative to the base and a fourth state of rotation relative to the base.

The beneficial effects are that: through rotationally connecting the cantilever beam on the base, the angle of the cantilever beam can be adjusted according to the position of the vertical rod, and the installation requirements can be met without manufacturing external angle beams, internal angle beams and oblique beams of various angles or additionally arranging platform beams, so that the practicability of the cantilever beam is further enhanced, and the applicability requirements of the cantilever beam under different working conditions can be met.

In an alternative embodiment, the cantilever Liang Kaojin has a third mounting hole at one end of the building structure, a fourth mounting hole at the other end of the base, and the cantilever scaffold includes a connecting piece, the connecting piece connects the third mounting hole and the fourth mounting hole, and the cantilever beam is rotatably connected with the base through the connecting piece.

The beneficial effects are that: the connecting piece is used for hinged connection, so that the structure is simple, the installation is quick, and the maintenance is convenient.

In an alternative embodiment, the overhanging scaffold comprises:

The second locking piece is arranged on the base, can move relative to the first component, fixes the first component in the third state and is far away from the first component in the fourth state.

The beneficial effects are that: through setting up the second retaining member on the base, can be fixed in the base with the cantilever beam on, prevent that the cantilever beam from rocking back and forth and influencing the stability of structure.

In an alternative embodiment, the base is provided with a chute, and the second locking member is disposed in the chute to fix the first component or to be away from the first component.

The beneficial effects are that: by providing the chute on the base, the second locking member can slide within the chute to facilitate adjustment of the angle of the first assembly.

In an alternative embodiment, two second locking pieces and two sliding grooves are respectively arranged on two sides of the first component;

And/or the connecting piece is a connecting bolt;

And/or, the second locking piece is a pin shaft.

The beneficial effects are that: the second locking piece and the sliding groove are both arranged, so that the two rotation directions of the first assembly can be limited; the first component and the base are connected by adopting the connecting bolt, so that the structure is simple and the installation is quick; the pin shaft is used for locking the rotation angle of the first component, the pin shaft can slide in the sliding groove, the pin shaft is not easy to lose, and the pin shaft is simple in structure and convenient for replacing parts.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

Fig. 1 is a front view of a cantilever-bearing steel girder rotating connection structure of a cantilever scaffold in the prior art;

FIG. 2 is a front view of a cantilever beam according to an embodiment of the present utility model;

FIG. 3 is an exploded view of a cantilever beam according to an embodiment of the present utility model;

FIG. 4 is a front view of a second assembly of a cantilever beam according to an embodiment of the present utility model;

Fig. 5 is an exploded view of an overhanging scaffold according to an embodiment of the utility model;

fig. 6 is a front view of an overhanging scaffold according to an embodiment of the utility model.

Reference numerals illustrate:

01. A base; 02. wall penetrating bolts; 03. a main body structure; 04. a connecting bolt; 05. overhanging bearing steel beams;

1. A first component; 11. a first mounting hole; 12. a third mounting hole; 2. a second component; 21. a second component body; 22. a first limiting member; 23. a second limiting piece; 24. an anti-slip layer; 3. a first locking member; 31. a connecting bolt; 32. a reinforcing member; 33. a second mounting hole; 4. a third limiting member; 41. a limit body; 42. a blocking portion; 5. a base; 51. a fourth mounting hole; 52. a chute; 6. a connecting piece; 7. and the second locking piece.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Embodiments of the present utility model are described below with reference to fig. 2 to 6.

According to an embodiment of the present utility model, in one aspect, there is provided an overhanging beam comprising: a first component 1 comprising a hollow installation space, the first component 1 being adapted for a fixed connection with a building structure; the second component 2 is arranged in the installation space, the second component 2 can move relative to the first component 1 and has a first state of being static relative to the first component 1 and a second state of moving relative to the first component 1, and the second component 2 is suitable for adjusting the length of the cantilever beam in the second state.

Through setting up second subassembly 2 in the installation space of first subassembly 1, and can move relative first subassembly 1, the length of cantilever beam is adjusted to the relative first subassembly 1 motion of accessible second subassembly 2, in order to satisfy the requirement to cantilever beam length when actually installing, and need not custom-made processing cantilever beam of multiple length or the welding I-steel alone again at cantilever beam tip, thereby improved the bearing capacity and the suitability of cantilever beam, greatly reduced input cost, shortened the preparation cycle, improved the practicality of cantilever beam, satisfied the suitability requirement of cantilever beam under the different operating modes.

As shown in fig. 2, the cantilever beam in this embodiment includes: the first locking member 3 is disposed outside the first component 1, and the first locking member 3 can move relative to the second component 2, and fix the second component 2 in a first state, and keep away from the second component 2 in a second state. The outer side of the first component 1 is provided with a first mounting hole 11, the first mounting hole 11 is in a strip shape, that is, the first mounting hole 11 is longer along the left-right direction in fig. 2, and the first locking member 3 passes through the first mounting hole 11 to fix the second component 2 or is far away from the second component 2. The length of the second component 2 extending out of the first component 1 is fixed through the first locking piece 3, so that the structure is stable, the structure is not easy to shake, and the use safety of the structure is improved. As an alternative embodiment, a plurality of grooves are formed inside the installation space of the first component 1, a telescopic upright rod is fixed on the corresponding side of the second component 2, the upright rod is inserted into the grooves for fixed connection, and the upright rod can be removed from the grooves through the action of external force; the second component 2 may be provided with a groove, and the corresponding position of the first component 1 is provided with a telescopic upright rod, which is not limited in any way; alternatively, after the extension length of the second component 2 is determined, the second component 2 is welded to the first component 1. As an alternative embodiment, instead of providing the first locking member 3, the friction force between the mating parts of the first component 1 and the second component 2 may be set to be large, and the second component 2 may be moved relative to the first component 1 by an external force, but the adjusted position of the second component 2 may be fixed by the friction force.

As shown in fig. 3, the first locking member 3 in the present embodiment includes: the connecting bolt 31 is slidable with respect to the first mounting hole 11, and in the first state, the connecting bolt 31 abuts against the second module 2. The connecting bolt 31 is used for locking and fixing, so that the fixing mode is simple, and the fastening effect is good; since the first mounting hole 11 is elongated, the connecting bolt 31 is slidably disposed with respect to the first mounting hole 11, so that the length of the second module 2 extending out of the first module 1 can be increased. As an alternative embodiment, the first mounting holes 11 may be circular holes, and a plurality of the first mounting holes may be provided, and the connecting bolts 31 may be inserted into the appropriate first mounting holes 11 according to the extension length of the second module 2, without being limited thereto. As an alternative embodiment, a plurality of screw holes may be provided in the second module 2, and the second module 2 may be fastened and fixed by the connecting bolts 31 through the screw holes in the first state.

As shown in fig. 3, the first locking member 3 in the present embodiment includes: the reinforcement 32 is sleeved on the first component 1, the reinforcement 32 is provided with a second mounting hole 33, and the connecting bolt 31 sequentially passes through the second mounting hole 33, the first mounting hole 11 and the second component 2 to be fixed or far away. Through set up reinforcement 32 between connecting bolt 31 and first subassembly 1, increase area of contact, connecting bolt 31 is difficult for not hard up when fixed, and locking effect is better. As an alternative embodiment, a spacer may be disposed between the connecting bolt 31 and the first module 1, and the spacer may have a size larger than the size of the first mounting hole 11 along a length extending direction perpendicular to the first mounting hole 11, or the nut of the connecting bolt 31 may have a diameter larger than the size of the first mounting hole 11 along a length extending direction perpendicular to the first mounting hole 11, so that the reinforcement 32 may not be disposed, and no limitation is made here.

The second component 2 in this embodiment comprises: a second component body 21; the first limiting piece 22 is arranged at one end of the second component body 21 far away from the building structure, and the first limiting piece 22 is in a limiting state abutting against the first component 1 and is suitable for limiting the extending length of the second component 2 relative to the first component 1; the second limiting piece 23 is arranged at one end of the second component body 21 close to the building structure and is suitable for limiting the extension length of the second component 2 relative to the first component 1; the anti-slip layer 24 is disposed on a side of the second assembly body 21 near the first locking member 3, and in the first state, the first locking member 3 is adapted to abut against the anti-slip layer 24.

By providing the first limiting member 22 on the second module body 21, the extension length of the second module 2 relative to the first module 1 can be limited, and the second module 2 can be prevented from extending into the first module 1 entirely and not being pulled out; by providing the second limiting member 23 on the second module body 21, the extension length of the second module 2 relative to the first module 1 can be limited, and the second module 2 can be prevented from sliding out and falling from the first module 1, thereby causing danger; by arranging the anti-slip layer 24 on the second assembly body 21, the friction force between the first locking member 3 and the second assembly body 21 is increased, and the fixation is firmer. As an alternative embodiment, the first stopper 22 may not be provided when the length of the installation space of the first module 1 is smaller than the length of the second module 2; when the surfaces of the second component 2 and the first component 1 are rough and the gap between the two components is small, the second limiting piece 23 can be omitted, and the second component 2 is not easy to slide out of the first component 1; when the surface of the second module body 21 is rough, the anti-slip layer 24 may not be provided, or a mounting block may be welded to the end of the connecting bolt 31 near the second module 2, and the connecting bolt 31 may abut against the second module 2 through the mounting block, which is not limited in any way.

As shown in fig. 3, the cantilever beam in this embodiment includes: and the third limiting piece 4 is arranged at the end part of the first assembly 1, which is far away from the building structure, and the third limiting piece 4 is matched with the second limiting piece 23 and is suitable for limiting the extension length of the second assembly 2. Further, the third stopper 4 includes: the limiting body 41 is sleeved outside the first component 1; the blocking part 42 extends inwards from one side of the limiting body 41 along the extending direction perpendicular to the first component 1, the blocking part 42 is matched with the second limiting piece 23, an opening with the same cross section shape as the second component body 21 is formed in the blocking part 42, and the opening is suitable for the second component body 21 to move.

By providing the blocking portion 42 on one side of the limiting body 41, an opening through which the second component body 21 just passes is provided in the blocking portion 42, the blocking portion 42 can cooperate with the second limiting member 23 to limit the extending length of the second component 2, and the opening can limit the extending direction of the second component 2. As an alternative embodiment, the limiting body 41 may not be provided, but a blocking portion may be formed by extending the end portion of the first component 1 away from the building structure inward, or the end portion of the first component 1 away from the building structure may be provided with a bolt or a pin shaft to cooperate with the second limiting member 23 for limiting, which is not limited in any way.

As shown in fig. 2-3, the second component 2 is i-steel, and the opening on the blocking portion 42 is i-shaped; the second stoppers 23 are provided on the left and right sides of the second assembly 2. The I-steel is selected through the second component 2, so that the bearing capacity of the I-steel is large, the structure is stable, the manufacturing mode is simple, and the processing is convenient.

As shown in fig. 4, a first limiting member 22 is disposed at the bottom of one end of the second component body 21 far away from the building structure, the first limiting member 22 is a limiting block, when the extending length of the second component 2 relative to the first component 1 is maximum, the first limiting member 22 abuts against the bottom side of the end of the first component 1, and at this time, the first limiting member 22 extends out of the bottom side of the first component 1; the second limiting piece 23 is a limiting column, two ends of the limiting column are respectively fixed on two wing plates of the second assembly body 21, two limiting columns are arranged and are respectively arranged on the left side and the right side of the second assembly body 21, and when the second limiting piece 23 is abutted with the blocking part 42, the cantilever beam is stable in structure; the anti-slip layer 24 is made of a material with larger friction and is arranged on the surface layer of the top of the second component body 21. As an alternative embodiment, two first stoppers 22 may be provided, which are respectively provided at the top and bottom of the end of the second module body 21 remote from the building structure. As an alternative embodiment, one second stopper 23 may be provided on one side of the second module body 21.

According to an embodiment of the present utility model, in another aspect, there is also provided a cantilever scaffold including: one end of the base 5 is suitable for being fixedly connected with a building structure; the cantilever beam is connected to the other end of the base 5. The cantilever beam is fixed on a building structure through the base 5, the base 5 is fixed on the building structure during installation, and then the cantilever beam is connected with the base 5, so that the installation is convenient, and the structure is stable.

As shown in fig. 5, the cantilever beam is rotatably connected to the other end of the base 5, and has a third state of being stationary with respect to the base 5 and a fourth state of being rotated with respect to the base 5. Through rotationally connecting the cantilever beam on the base 5, the angle of the cantilever beam can be adjusted according to the position of the vertical rod, and the installation requirements can be met without manufacturing external angle beams, internal angle beams and oblique beams of various angles or additionally arranging platform beams, so that the practicability of the cantilever beam is further enhanced, and the applicability requirements of the cantilever beam under different working conditions can be met.

As shown in fig. 5, one end of the cantilever beam, which is close to the building structure, is provided with a third mounting hole 12, the other end of the base 5 is provided with a fourth mounting hole 51, the cantilever scaffold comprises a connecting piece 6, the connecting piece 6 is connected with the third mounting hole 12 and the fourth mounting hole 51, and the cantilever beam is rotatably connected with the base 5 through the connecting piece 6. Carry out articulated connection through connecting piece 6, simple structure installs swiftly, is convenient for maintain. As an alternative embodiment, the cantilever beam may be provided with a groove, and the base 5 is provided with a protrusion at a position corresponding to the groove, or the base 5 is provided with a protrusion at a position corresponding to the cantilever beam, and the protrusion is hinged with the groove in cooperation, which is not limited in any way.

As shown in fig. 5, the cantilever scaffold in the present embodiment includes: the second locking member 7 is disposed on the base 5, and the second locking member 7 is movable relative to the first assembly 1, and fixes the first assembly 1 in the third state, and moves away from the first assembly 1 in the fourth state. Through setting up second retaining member 7 on base 5, can be fixed in on the base 5 with the cantilever beam, prevent that the cantilever beam from rocking back and forth and influencing the stability of structure. As an alternative embodiment, when the base 5 and the first component 1 are tightly installed, for example, the friction force between the mating parts of the base 5 and the first component 1 is large, and a large external force is required to adjust the angle between the first component 1 and the base 5, the second locking member 7 is not required to be provided.

Wherein, the base 5 is provided with a chute 52, and the second locking member 7 is disposed in the chute 52 to fix the first assembly 1 or away from the first assembly 1. Specifically, two second locking pieces 7 and two sliding grooves 52 are provided, and the two sliding grooves 52 are respectively arranged on two sides of the first component 1; the connecting piece 6 is a connecting bolt; the second locking member 7 is a pin. By providing the slide groove 52 on the base 5, the second locker 7 can slide in the slide groove 52 to adjust the angle of the first member 1; the second locking member 7 and the sliding groove 52 are provided with two, and can limit two rotation directions of the first assembly 1; the first component 1 and the base 5 are connected by adopting the connecting bolt, so that the structure is simple and the installation is quick; the pin shaft is used for locking the rotation angle of the first component 1, the pin shaft can slide in the chute and is not easy to lose, the pin shaft is simple in structure and convenient to replace parts, and the second locking piece 7 can also be a bolt, so that excessive limitation is not made. As an alternative embodiment, a plurality of vertical grooves may be provided on the base 5, and a plurality of vertical protrusions may be provided at corresponding positions of the first assembly 1 near the base 5, and the rotation angle of the first assembly 1 may be limited by the grooves and the protrusions.

As shown in fig. 6, the cantilever beam in this embodiment has an adjustable angle and an adjustable length, and can be adjusted according to the on-site situation, so that the workload and the construction cost can be effectively reduced, and the cantilever scaffold in this embodiment has a simple and practical structure, is stable and reliable, and is efficient and convenient to construct.

Although embodiments of the present utility model have been described in connection with the accompanying drawings, various modifications and variations may be made by those skilled in the art without departing from the spirit and scope of the utility model, and such modifications and variations fall within the scope of the utility model as defined by the appended claims.

Claims (15)

1. An overhanging beam, comprising:

-a first component (1) comprising a hollow installation space, said first component (1) being adapted to be fixedly connected with a building structure;

the second component (2) is arranged in the installation space, the second component (2) can move relative to the first component (1) and has a first state of being static relative to the first component (1) and a second state of moving relative to the first component (1), and the second component (2) is suitable for adjusting the length of the cantilever beam in the second state.

2. The cantilever beam according to claim 1, wherein the cantilever beam comprises:

The first locking piece (3) is arranged on the outer side of the first component (1), the first locking piece (3) can move relative to the second component (2), the second component (2) is fixed in the first state, and the second component (2) is far away in the second state.

3. Cantilever beam according to claim 2, characterized in that the outer side of the first component (1) is provided with a first mounting hole (11), and the first locking member (3) passes through the first mounting hole (11) to fix the second component (2) or to be away from the second component (2).

4. A cantilever beam according to claim 3, wherein the first locking member (3) comprises:

and a connecting bolt (31) which can slide relative to the first mounting hole (11), wherein the connecting bolt (31) is abutted with the second assembly (2) in the first state.

5. Cantilever beam according to claim 4, wherein the first locking member (3) comprises:

The reinforcing piece (32) is sleeved on the first component (1), a second mounting hole (33) is formed in the reinforcing piece (32), and the connecting bolt (31) sequentially penetrates through the second mounting hole (33) and is fixed or far away from the second component (2) through the first mounting hole (11).

6. Cantilever according to any of claims 2-5, wherein the second assembly (2) comprises:

A second component body (21);

And/or, a first limiting piece (22) is arranged at one end of the second assembly body (21) far away from the building structure, the first limiting piece (22) has a limiting state abutting against the first assembly (1) and is suitable for limiting the extending length of the second assembly (2) relative to the first assembly (1);

And/or a second limiting piece (23) arranged at one end of the second assembly body (21) close to the building structure and suitable for limiting the extension length of the second assembly (2) relative to the first assembly (1);

And/or an anti-slip layer (24) arranged on one side of the second assembly body (21) close to the first locking piece (3), wherein in the first state, the first locking piece (3) is suitable for being abutted on the anti-slip layer (24).

7. The cantilever beam of claim 6, wherein the cantilever beam comprises:

The third limiting piece (4) is arranged at the end part, far away from the building structure, of the first component (1), and the third limiting piece (4) is matched with the second limiting piece (23) and is suitable for limiting the extension length of the second component (2).

8. Cantilever beam according to claim 7, wherein the third stop (4) comprises:

The limiting body (41) is sleeved outside the first component (1);

The blocking part (42) extends inwards from one side of the limiting body (41) along the direction perpendicular to the extending direction of the first assembly (1), the blocking part (42) is matched with the second limiting piece (23), an opening with the same cross-sectional shape as that of the second assembly body (21) is formed in the blocking part (42), and the opening is suitable for the second assembly body (21) to move.

9. Cantilever according to claim 8, wherein the second component (2) is i-steel and the opening in the blocking part (42) is i-shaped;

And/or the second limiting piece (23) is arranged on at least one of the left side and the right side of the second assembly (2).

10. An overhanging scaffold, comprising:

One end of the base (5) is suitable for being fixedly connected with a building structure;

The cantilever beam according to any one of claims 1-9, which is connected to the other end of the base (5).

11. Cantilever scaffold according to claim 10, wherein the cantilever beam is rotatably connected to the other end of the base (5) and has a third state of rest with respect to the base (5) and a fourth state of rotation with respect to the base (5).

12. The overhanging scaffold according to claim 11, characterized in that one end of the overhanging Liang Kaojin of the building structure is provided with a third mounting hole (12), the other end of the base (5) is provided with a fourth mounting hole (51), the overhanging scaffold comprises a connecting piece (6), the connecting piece (6) connects the third mounting hole (12) and the fourth mounting hole (51), and the overhanging beam is rotatably connected with the base (5) through the connecting piece (6).

13. The overhanging scaffold of claim 12, wherein the overhanging scaffold comprises:

The second locking piece (7) is arranged on the base (5), the second locking piece (7) can move relative to the first component (1) and fix the first component (1) in the third state, and the second locking piece is far away from the first component (1) in the fourth state.

14. The overhanging scaffold according to claim 13, characterized in that the base (5) is provided with a chute (52), and the second locking member (7) is arranged in the chute (52) to fix the first component (1) or away from the first component (1).

15. The overhanging scaffold according to claim 14, characterized in that the second locking member (7) and the sliding groove (52) are provided in two, the two sliding grooves (52) are respectively provided at both sides of the first component (1);

And/or the connecting piece (6) is a connecting bolt;

and/or the second locking piece (7) is a pin shaft.