CN221053296U - Novel cage ladder for building construction - Google Patents

Abstract

The utility model relates to the technical field of buildings, in particular to a novel cage ladder for building construction, which comprises a supporting base for providing supporting force for cage ladder units, a cage body connected with the supporting base and used for providing a pedestrian passageway, and a reinforcing mechanism used for connecting the cage body to a fixed building and used for reinforcing the stability of the cage body. The support base, the reinforcing mechanism and the communicating mechanism are arranged, so that the stability of the cage ladder is ensured, and the cage ladder is convenient and safe to use.

Description

Novel cage ladder for building construction

Technical Field

The utility model relates to the technical field of buildings, in particular to a novel cage ladder for building construction.

Background

Cage ladder is a stair with cage shape, which is generally used in places with high height and high height such as road and bridge construction engineering, industrial environment or special places, etc. for realizing pedestrians, such as high-rise buildings, factories or warehouses. In use, the cage ladder may provide greater safety and protection, particularly in situations of greater vertical height, against personnel falling or slipping from the high altitude. The cage is generally made of a metal material such as steel or aluminum alloy to ensure stability and durability thereof. The cage ladder is usually built by steel pipe and connecting elements, need build steel pipe and connecting elements layer by layer perpendicularly at job site and form the cat ladder, and the cage then forms a confined structure around the edge of cat ladder, prevents personnel from sideslip from the cat ladder.

In the prior art, when the conventional cage ladder is repeatedly used at different positions, concrete cushion layers are required to be poured on different grounds, the cage ladder is hoisted in a blocking mode after the cushion layers are solidified, the cage ladder stand columns, the cross beams and the climbing ladder are hoisted and installed in sequence, and a cable rope is used for reinforcing after the cage is installed. The installation of the cage ladder requires more labor force, the construction period is long, and the stability of the cage ladder is weak. When extremely severe weather such as typhoons is struck in the seaside area, the cable rope is used for reinforcing the cage ladder, the operation level of workers is greatly influenced, and the reinforcing quality is difficult to ensure. The patent with the bulletin number of CN218090558U discloses a multifunctional road bridge construction ladder, which simplifies the steps of installing and detaching the cage ladder and strengthens the stability of the cage ladder by uniformly arranging connecting pieces, but under severe weather such as typhoons, the cage ladder reinforced by adopting the mode has large pressure, is easy to damage after long-term use and cannot guarantee the reinforcing effect. On the other hand, when the cage ladder is used, the cage ladder is connected with the construction position, and a channel is additionally arranged in the later stage, so that the size of the cage ladder is possibly incompatible with that of the original cage ladder, and a gap is formed at the joint of the cage ladder, so that the cage ladder has a large potential safety hazard. Therefore, a novel cage ladder is required to be designed aiming at the stability and construction connection safety of the cage ladder.

Disclosure of utility model

The utility model provides a novel cage ladder for building construction, which has strong stability, does not need to repeatedly pour a concrete cushion layer, can be repeatedly and rapidly used and can be safely connected with a construction plane, and aims to solve one or more of the problems and other potential problems.

The utility model provides a novel cage ladder for building construction, which comprises a supporting base for providing supporting force for cage ladder units, a cage body connected with the supporting base and used for providing a pedestrian passageway, and a reinforcing mechanism used for connecting the cage body to a fixed building and used for reinforcing the stability of the cage body, wherein the cage body comprises a plurality of cage ladder units which are connected with each other, the cage ladder units at the bottommost end are directly connected with the supporting base, and at least one cage ladder unit is provided with a communication mechanism connected with a building plane.

The utility model utilizes the supporting base to provide supporting force for the cage body and ensures the stability of the cage body in the vertical direction, and the utility model further strengthens the cage body by connecting the cage body with the fixed building through the strengthening mechanism, so that when the cage body is subjected to external forces such as wind force, impact and the like, the strengthening mechanism can disperse the external force applied to the cage body on the connected fixed building, thereby reducing the influence of the external force on the cage body. On the other hand, the utility model is provided with the communication mechanism connected with the building plane, a connecting channel is not required to be additionally arranged at the later stage, meanwhile, the communication mechanism is preset to ensure that the communication mechanism is tightly connected with the cage ladder, the conditions of unmatched size, gaps at the connecting position and the like can not occur, and the utility model is convenient and safe to use.

In some embodiments, the support base is a concrete base, and a reinforcing mesh and an embedded part used for being connected with the cage ladder unit are paved in the concrete base.

According to the utility model, the concrete base is used as the supporting base, the embedded part is arranged in the concrete base, the embedded part and the cage ladder unit can be detachably used, and concrete does not need to be poured repeatedly as the base during use, so that the concrete can be recycled, the construction period is shortened, and the use cost is reduced.

In some embodiments, the reinforcement mechanism includes a telescoping reinforcement rod, a first connector for connecting the reinforcement rod to the cage, a backing plate disposed between the first connector and the cage, and a second connector for connecting the reinforcement rod to a stationary building.

The reinforcing rod is telescopic, the length of the reinforcing rod can be conveniently adjusted according to the distance between the cage body and a fixed building during use, the maximum length of the reinforcing rod is 6 meters, and the situation that the supporting force provided by the overlong reinforcing rod is too small to play a role in reinforcing is prevented. The backing plate is additionally arranged between the first connecting piece and the cage body, so that the cage body is beneficial to transmitting force to the reinforcing rod, friction force generated by interference between the first connecting piece and the cage body is relieved, and loss between the first connecting piece and the cage body is reduced. Meanwhile, the second connecting piece can be selected according to the building to be fixed, and connecting pieces such as anchor clamps, screws and the like can be selected to ensure that the reinforcing rod is tightly connected with the fixed building.

In some embodiments, the cage ladder unit is provided with a fixed upright post, a fixed cross beam, an upper operation platform, a lower operation platform, a climbing ladder and a protective net; the fixed upright posts are connected with the fixed cross beams, the fixed upright posts and the fixed cross beams jointly form a cage ladder framework, the upper operation platform is arranged on the upper plane of the cage ladder framework and connected with the fixed cross beams, the lower operation platform is arranged on the lower plane of the cage ladder framework and connected with the fixed cross beams, the cat ladder is connected with the upper operation platform and the lower operation platform through reinforcing rods arranged between the fixed cross beams, and the protection net is arranged on the side face of the cage ladder framework; the cage ladder unit at the top of the cage body is not provided with a cat ladder and an upper operation platform.

The foundation cage skeleton of the cage ladder comprises the fixed upright posts and the fixed cross beams which are connected with each other, the hanging rings are arranged on the fixed upright posts, the cage ladder is conveniently lifted by the crane to be assembled among a plurality of cage ladders, the upper and lower planes of the cage ladder skeleton are respectively provided with the upper operation platform and the lower operation platform, the upper operation platform and the lower operation platform are connected through the climbing ladder, an operator can use the climbing ladder to pass from the lower operation platform to the upper operation platform, and a plurality of cage ladders are selected to be connected according to the required height, so that the operator can move back and forth in the vertical direction.

In some embodiments, the communication mechanism includes a safety channel connecting the cage ladder unit with the building plane, a safety barrier removably disposed along an edge of the safety channel, and a pull-up member disposed on the cage ladder unit for controlling a placement angle of the safety channel.

According to the utility model, the safety guardrails are arranged on two sides of the safety channel, so that operators are not easy to fall off when using the safety channel, the placement angle of the safety channel is adjusted by the lifting piece, manual adjustment is not needed, the safety channel is smooth and stable, the lifting piece is connected with the cage ladder unit again, and the connection stability of the safety channel and the cage ladder unit is further ensured.

In some embodiments, the safety channel is hinged to the cage ladder unit.

The safety channel can be folded to serve as a protection device for the side face of the cage ladder unit when not in use, and can be turned out when in use, so that the safety channel is convenient to operate and has rich functions.

In some embodiments, the safety channel comprises two telescopic main beams arranged in parallel, a plurality of cross bars detachably connected with the main beams and used for paving pedals, and pedals paved on a framework formed by the main beams and the cross bars for operators to walk.

According to the utility model, one end of the safety channel main beam is directly hinged with the cage ladder unit, the cross rod and the pedal are arranged on the main beam, when the safety channel main beam is not used, the main beam is folded and folded, the main beam is attached to the fixed upright post, the safety channel can serve as a protection device of the cage ladder unit to replace a protection net on one side, when the safety channel main beam is used, the lifting piece is used for lowering the main beam, the length of the main beam is adjusted according to the required distance, the other end of the main beam is erected on a building plane, the placing angle of the main beam is adjusted, and the laying number of the cross rod and the pedal is increased and decreased according to the using length of the main beam, so that the connection between the cage ladder unit and the building plane is realized.

In some embodiments, the main beam comprises an outer tube and an inner tube sleeved in the outer tube and capable of being flexibly pulled out; the outer tube is provided with a plurality of fixing holes for inserting safety guardrails and a plurality of fixing grooves for clamping the cross bars, and the inner tube is correspondingly provided with a plurality of fixing holes and fixing grooves.

According to the main beam disclosed by the utility model, the length of the exposed outer tube of the inner tube is adjusted by pulling the inner tube, so that the service length of the main beam is adjusted, and the relative positions of the outer tube and the inner tube are fixed by using fasteners such as bolts.

In some embodiments, the embedded part is connected with the fixed upright post of the cage ladder unit in a socket joint mode, and the fixed upright posts of the adjacent cage ladder units are connected in a socket joint mode.

The cage ladder units and the supporting base are connected in a socket joint mode, and the connection mode is simple, stable and firm in installation and convenient to detach and recycle.

In some embodiments, the bottommost cage ladder unit is further provided with a movable door for operator access.

The cage ladder unit at the bottommost end is provided with the movable door, so that an operator can conveniently go in and out.

By implementing the technical scheme, the utility model has the following advantages:

1. The novel cage ladder provided by the utility model has the advantages that the supporting base is used for providing supporting force for the cage body, the stability of the cage body in the vertical direction is ensured, the cage body is reinforced through the reinforcing mechanism, the cage body is stabilized, when the cage body is acted by external forces such as wind force, impact and the like, the influence of the external force on the cage body is reduced, and the stability is strong.

2. The utility model is provided with the communication mechanism connected with the building plane, a connecting channel is not required to be additionally arranged at the later stage, and meanwhile, the preset communication mechanism can ensure that the communication mechanism is tightly connected with the cage ladder, the conditions of unmatched size, gaps at the connecting position and the like can not occur, and the utility model is convenient and safe to use.

3. According to the utility model, the concrete base is used as the supporting base, the embedded part is arranged in the concrete base, the embedded part and the cage ladder unit can be detachably used, and concrete does not need to be poured repeatedly as the base during use, so that the concrete cage ladder can be repeatedly and rapidly recycled, the construction period is shortened, and the use cost is reduced.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a front view of the present utility model;

FIG. 2 is a longitudinal cross-sectional view of the present utility model in use;

FIG. 3 is a top view of the cage of the present utility model;

FIG. 4 is a front view of the communication mechanism of the present utility model;

FIG. 5 is a cross-sectional view of a security channel of the present utility model;

FIG. 6 is a side view of the pull member of the present utility model;

Fig. 7 is a cross-sectional view of the support base of the present utility model.

The reference numerals in the drawings denote:

1. The support base, 11, the embedded part, 2, the cage ladder unit, 21, the fixed upright post, 211, the hanging ring, 22, the fixed cross beam, 23, the upper operation platform, 24, the lower operation platform, 25, the climbing ladder, 251, the reinforcing rod, 26, the protection net, 3, the reinforcing mechanism, 31, the reinforcing rod, 32, the first connecting part, 33, the second connecting part, 4, the communicating mechanism, 41, the safety passage, 411, the main beam, 4111, the outer tube, 4112, the inner tube, 4113, the fixed hole, 4114, the fixed slot, 412, the cross bar, 42, the safety guard rail, 43, the lifting part, a, the building plane, b and the upright post.

Detailed Description

The utility model is described in further detail below with reference to the drawings and to specific embodiments.

It should be noted that the following embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; those of ordinary skill in the art will appreciate that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

In the following description, directional or positional relationships such as the terms "inner", "outer", "upper", "lower", "left", "right", etc., are presented for convenience in describing the embodiments and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model.

The embodiment provides a novel cage ladder for building construction, as shown in fig. 1 and 2, including the support base 1 that provides holding power for cage ladder unit 2, the cage body that provides the pedestrian passageway that is connected with support base 1, be used for connecting the cage body on fixed building and be used for strengthening the strengthening mechanism 3 of cage body steadiness, the cage body includes a plurality of interconnect's cage ladder unit 2, wherein, cage ladder unit 2 and support base 1 lug connection of bottommost, at least one cage ladder unit 2 is equipped with the intercommunication mechanism 4 that is connected with building plane a. The cage in this embodiment fig. 1 and fig. 2 comprises 4 cage ladder units 2, and cage ladder unit 2 and the support base 1 lug connection of bottom, and top fixedly connected with 3 cage ladder units 2 utilize support base 1 to provide holding power for the cage, guarantee the steadiness of the cage on the vertical direction, reinforcement mechanism 3 both ends are connected with cage ladder unit 2 and the stand b of building respectively, further support, firm the cage, when the cage receives external force such as wind-force, striking, reinforcement mechanism 3 can disperse the external force that the cage received on the fixed building of connection to reduce the influence of external force to the cage. On the other hand, this embodiment has set up the intercommunication mechanism 4 that is connected with building plane a, and the one end of intercommunication mechanism 4 is connected with cage ladder unit 2 at top, and the other end is placed on building plane a, realizes being connected of cage ladder and building, need not the later stage when using to install additional connecting channel, and it is inseparable that intercommunication mechanism 4 and cage ladder are connected cooperation can be ensured to preset simultaneously to intercommunication mechanism 4, the condition such as size mismatch, junction have the gap can not appear, convenient to use safety.

In some embodiments, the support base 1 is a concrete base, and a reinforcing mesh and an embedded part 11 for connecting with the cage ladder unit 2 are paved in the concrete base. In some embodiments, a concrete base is used as the supporting base 1, the length of the supporting base 1 is 3.2 x 2.5 x 0.2 m, the embedded part 11 is arranged in the supporting base 1, the height of the embedded part 11 is 0.3 m, the embedded supporting base 1 is embedded to be 0.15 m, the exposed height is 0.15 m, the embedded part 11 and the cage ladder unit 2 can be detachably used, the concrete does not need to be poured repeatedly as the base during use, the supporting base 1 can be recycled, the construction period can be shortened, and the use cost can be reduced.

In some embodiments, the reinforcement mechanism 3 includes a telescopic reinforcement bar 31, a first connector 32 for connecting the reinforcement bar 31 to the cage, a backing plate disposed between the first connector 32 and the cage, and a second connector 33 for connecting the reinforcement bar 31 to a fixed building. The reinforcing rod 31 is a hollow column, and is made of high-strength materials such as steel, iron and the like, and the cross section of the reinforcing rod can be square, circular and other symmetrical polygons. The reinforcing mechanism 3 shown in fig. 2, the reinforcing rod 31 is formed by two hollow square steel pipes, the inner diameters of the two steel pipes are different, the two steel pipes are tightly sleeved to form a telescopic structure, the connecting part is detachably connected by bolts, the length of the reinforcing rod 31 can be conveniently adjusted according to the distance between the cage body and a fixed building when the reinforcing mechanism is used, the telescopic range of the reinforcing rod 31 is 3-6 m, the supporting force provided by the overlong reinforcing rod 31 is prevented from being too small, and the reinforcing effect cannot be achieved. The first connecting piece 32 can be staple bolt, pipe clamp connecting piece etc. be equipped with the backing plate between the junction of first connecting piece 32 and cage ladder unit 2, and the backing plate is elastic material such as silica gel, rubber, is favorable to the cage body to give reinforcing rod 31 with the power transmission to alleviate the frictional force that contradicts between first connecting piece 32 and the cage body and produce, reduce the loss between the two. Meanwhile, the second connecting piece 33 can be selected according to the building to be fixed, and connecting pieces such as hoops, screws and the like can be selected to ensure that the reinforcing rod 31 is tightly connected with the fixed building. As shown in fig. 2, the second connector 33 is a hoop, and the reinforcing rod 31 is connected to the upright b of the building by using the hoop.

In some embodiments, the cage ladder unit 2 is provided with a fixed upright 21, a fixed cross beam 22, an upper operating platform 23, a lower operating platform 24, a ladder stand 25 and a protective net 26; the fixed upright post 21 is connected with the fixed cross beam 22, the fixed upright post 21 and the fixed cross beam 22 jointly form a cage ladder framework, the upper operation platform 23 is arranged on the upper plane of the cage ladder framework and is connected with the fixed cross beam 22, the lower operation platform 24 is arranged on the lower plane of the cage ladder framework and is connected with the fixed cross beam 22, the cat ladder 25 is connected with the upper operation platform 23 and the lower operation platform 24 through a reinforcing rod 251 arranged between the fixed cross beams 22, and the protection net 26 is arranged on the side face of the cage ladder framework; the cage ladder unit 2 at the top of the cage body is not provided with a cat ladder 25 and an upper operation platform 23. The basic cage skeleton of the cage unit 2 in this embodiment includes a fixed upright 21 and a fixed cross beam 22 that are connected to each other, and cross sections of the fixed cross beam 22 and the fixed upright 21 may be square, circular or other symmetrical polygons. As shown in fig. 2 and 3, the fixed upright post 21 is a square steel column, the cross section is square and the side length is 0.06m, the length of the fixed upright post 21 is 2.8 m, the fixed upright post 21 is provided with a hanging ring 211, the crane is convenient for hanging the cage ladder units 2 to assemble a plurality of cage ladder units 2, the fixed cross beam 22 is a square steel beam, the cross section is square and the side length is 0.06m, the fixed cross beam 22 is divided into two lengths which are 2.88 m and 2.18 m respectively, the length of a cage ladder framework formed by the fixed cross beam 22 and the fixed upright post 21 is 3 m, the width is 2.3 m, the height is 2.8 m, the upper and lower planes of the cage ladder framework are respectively provided with an upper operation platform 23 and a lower operation platform 24, the upper operation platform 23, the lower operation platform 24 are connected with the cage ladder framework by welding, bolts, clamping and the like, the upper operation platform 23 is connected with the lower operation platform 24 by a ladder 25, an operator can use the ladder 25 to connect the lower operation platform 24 from the lower operation platform 24 according to the required height, and the operator can select a plurality of cage units to realize the vertical operation in the back and forth direction 2. The protection net 26 is a hollow net structure to reduce the weight of the device, and can be connected with the fixed cross beam 22 and the fixed upright post 21 by bolts, welding and the like.

In some embodiments, as shown in fig. 4, the communication mechanism 4 includes a safety passage 41 connecting the cage unit 2 with the building plane a, a safety rail 42 detachably provided along an edge of the safety passage 41, and a pulling member 43 provided on the cage unit 2 for controlling a placement angle of the safety passage 41. The safety barrier 42 and the safety channel 41 can be detachably connected by bolts, clamping and the like. As shown in fig. 6, the lifting member 43 is fixedly connected to the fixed beam 22 by welding, bolts, etc., the lifting member 43 is connected to the safety channel 41 by using a steel wire rope, a fish wire, etc., the placement angle of the safety channel 41 is adjusted by using the lifting member 43, no manual adjustment is required, the safety channel 41 is smooth and stable, and meanwhile, the lifting member 43 is connected to the cage ladder unit 2 again, so that the connection stability of the safety channel 41 and the cage ladder unit 2 is further ensured. As shown in fig. 4, the safety barrier 42 is shown as being mounted at a height of 0.9 m to ensure that the operator is not prone to falling during use.

In some embodiments, the safety channel 41 is hinged to the cage unit 2. The safety channel 41 in this embodiment can be folded to serve as a protection device for the side surface of the cage ladder unit 2 when not in use, and can be turned out when in use, so that the operation is convenient and the functions are rich.

In some embodiments, the safety channel 41 includes two telescopic main beams disposed in parallel, a plurality of cross bars 412 detachably connected to the main beams 411 for laying pedals, and pedals laid on a framework formed by the main beams 411 and the cross bars 412 for an operator to walk. In fig. 4 and 5, the maximum length of the main beam 411 is 1.4 times of the fixed upright 21, the telescopic range of the main beam 411 is 3.0-4.0 m, the distance between adjacent cross bars 412 is 0.3m, the length of the pedal is 0.9 x 0.35m, the thickness of the pedal is 3mm, the pedal can be a solid plate or a hollow net plate, and the pedal can be connected with the cross bars 412 and the main beam 411 by means of bolts, clamping and the like. One end of the main beam 411 of the safety channel 41 in this embodiment is directly hinged with the cage ladder unit 2, the cross beam 412 and the pedal are installed on the main beam 411, when not in use, the main beam 411 is folded and folded, the main beam 411 is attached to the fixed upright 21, the safety channel 41 can serve as a protection device of the cage ladder unit 2 to replace the protection net 26 on one side, when in use, the main beam 411 is put down by the lifting piece 43, the length of the main beam 411 is adjusted according to the required distance, the other end of the main beam 411 is erected on the building plane a, the placement angle of the main beam 411 is adjusted, and the laying number of the cross beam 412 and the pedal is increased and decreased according to the use length of the main beam 411, so that the connection of the cage ladder unit 2 and the building plane a is realized.

In some embodiments, the main beam 411 includes an outer tube 4111, and an inner tube 4112 sleeved in the outer tube 4111 and capable of being flexibly pulled out; the outer tube 4111 is provided with a plurality of fixing holes 4113 for plugging the safety rail 42, and a plurality of fixing grooves 4114 for clamping the cross bar 412, and the inner tube 4112 is correspondingly provided with a plurality of fixing holes 4113 and fixing grooves 4114. The outer tube 4111 is a hollow tube, the inner tube 4112 may be hollow or solid, the inner diameter of the outer tube 4111 is greater than or equal to the outer diameter of the inner tube 4112, and the inner tube 4112 may be tightly sleeved with the outer tube 4111 to flexibly extend and retract. The main beam 411 in this embodiment adjusts the length of the inner tube 4112 exposed out of the outer tube 4111 by pulling the inner tube 4112, thereby adjusting the service length of the main beam 411, and fixing the relative positions of the outer tube 4111 and the inner tube 4112 by using fasteners such as bolts.

In some embodiments, as shown in fig. 7, the embedded part 11 is connected with the fixed upright post 21 of the cage ladder unit 2 in a socket-and-spigot manner, and the fixed upright posts 21 of the adjacent cage ladder units 2 are connected in a socket-and-spigot manner. In the embodiment, socket connection can be realized between the cage ladder units 2 and the support base 1 through the modes of sleeves and the like, and the connection mode is simple to install, stable and firm, and is fixed by bolts, so that the cage ladder is convenient to detach and recycle.

In some embodiments, the bottommost cage ladder unit 2 is further provided with a movable door for an operator to enter and exit.

The applicant declares that the above is only a specific embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and it should be apparent to those skilled in the art that any changes or substitutions that are easily conceivable within the technical scope of the present utility model disclosed by the present utility model fall within the scope of the present utility model and the disclosure.

Claims (10)

1. A novel cage ladder for construction, its characterized in that includes support base (1) for providing holding power for cage ladder unit (2), the cage body that provides the pedestrian passageway of being connected with support base (1), is used for connecting the cage body be used for strengthening reinforcement mechanism (3) of cage body steadiness on fixed building, the cage body includes a plurality of interconnect's cage ladder unit (2), wherein, cage ladder unit (2) and support base (1) lug connection of bottommost, at least one cage ladder unit (2) is equipped with the intercommunication mechanism (4) of being connected with building plane (a).

2. The novel cage ladder according to claim 1, characterized in that the supporting base (1) is a concrete base, and reinforcing steel meshes and embedded parts (11) used for being connected with the cage ladder unit (2) are paved in the concrete base.

3. A new cage according to claim 2, characterized in that the reinforcement means (3) comprise a telescopic reinforcement bar (31), a first connection piece (32) for connecting the reinforcement bar (31) with the cage, a backing plate arranged between the first connection piece (32) and the cage, and a second connection piece (33) for connecting the reinforcement bar (31) with the stationary building.

4. A novel cage ladder according to claim 3, characterized in that the cage ladder unit (2) is provided with a fixed upright (21), a fixed cross beam (22), an upper operating platform (23), a lower operating platform (24), a ladder stand (25) and a protective net (26); the fixed upright post (21) is connected with the fixed cross beam (22), the fixed upright post (21) and the fixed cross beam (22) jointly form a cage ladder framework, the upper operation platform (23) is arranged on the upper plane of the cage ladder framework and is connected with the fixed cross beam (22), the lower operation platform (24) is arranged on the lower plane of the cage ladder framework and is connected with the fixed cross beam (22), the cat ladder (25) is connected with the upper operation platform (23) and the lower operation platform (24) through a reinforcing rod (251) arranged between the fixed cross beams (22), and the protective screen (26) is arranged on the side face of the cage ladder framework; the cage ladder unit (2) at the top of the cage body is not provided with a crawling ladder (25) and an upper operating platform (23).

5. The novel cage ladder according to claim 4, characterized in that the communication mechanism (4) comprises a safety passage (41) connecting the cage ladder unit (2) with the building plane (a), a safety barrier (42) detachably arranged along the edge of the safety passage (41), and a lifting piece (43) arranged on the cage ladder unit (2) for controlling the placement angle of the safety passage (41).

6. A new type of cage ladder according to claim 5, characterized in that the safety channel (41) is hinged to the cage ladder unit (2).

7. The novel cage ladder according to claim 6, characterized in that the safety channel (41) comprises two telescopic main beams arranged in parallel, a plurality of cross bars (412) detachably connected with the main beams (411) and used for paving pedals, and pedals paved on a framework formed by the main beams (411) and the cross bars (412) for an operator to walk.

8. The novel cage ladder according to claim 7, characterized in that the main beam (411) comprises an outer tube (4111) and an inner tube (4112) which is sleeved in the outer tube (4111) and can be flexibly pulled out; the outer tube (4111) is provided with a plurality of fixing holes (4113) for inserting the safety guard rail (42) and a plurality of fixing grooves (4114) for clamping the cross bar (412), and the inner tube (4112) is correspondingly provided with a plurality of fixing holes (4113) and fixing grooves (4114).

9. The novel cage ladder according to claim 8, characterized in that the embedded part (11) is in socket connection with the fixed upright posts (21) of the cage ladder unit (2), and the fixed upright posts (21) of the adjacent cage ladder units (2) are in socket connection.

10. A new type cage ladder according to claim 1, characterized in that the bottommost cage ladder unit (2) is also provided with a movable door for the operator to get in and out.