阅读说明：本技术 一种新型承插式自适应层高爬架 (Novel socket type self-adaptive layer climbing frame ) 是由 万琨 蔡景红 曾润忠 张佳 王文杲 路苏赣 杨乘江 于 2021-08-27 设计创作，主要内容包括：本发明涉及一种新型承插式自适应层高爬架,涉及建筑施工技术领域,本发明内包括上榀脚手架、下榀脚手架、连墙件、导轨,连墙件由承重连墙件、防坠连墙件以及提升挂座组成；导轨是由角钢以及空心方钢焊接成型。本发明适用于高层及超高层建筑外墙体施工,随着工程需要进行架体升降,还能适应楼层层高变化,即一套脚手架就可以满足同一建筑不同楼层层高变化的需要,在满足脚手架升降过程中的承载力与动力要求的同时,保障架体运行过程中的安全空间,避免架体及构件间的挤压与碰撞变形问题,确保架体升降过程中的稳定性与安全性,同时可以电动提升及手动提升,适合多种场景。(The invention relates to a novel socket joint type self-adaptive layer height climbing frame, which relates to the technical field of building construction, and comprises an upper truss scaffold, a lower truss scaffold, a wall connecting piece and a guide rail, wherein the wall connecting piece consists of a bearing wall connecting piece, an anti-falling wall connecting piece and a lifting hanging seat; the guide rail is formed by welding angle steel and hollow square steel. The invention is suitable for the construction of outer wall bodies of high-rise and super high-rise buildings, can lift the frame body along with the engineering requirements, and can also adapt to the change of the floor height, namely, one set of scaffold can meet the requirement of the change of the floor height of different floors of the same building, the bearing capacity and the power requirement in the lifting process of the scaffold are met, the safe space in the operation process of the frame body is ensured, the problems of extrusion and collision deformation between the frame body and components are avoided, the stability and the safety in the lifting process of the frame body are ensured, meanwhile, the electric lifting and the manual lifting can be realized, and the invention is suitable for various scenes.)

1. The utility model provides a novel frame is climbed to socket joint formula self-adaptation layer height which characterized in that: comprises an upper scaffold, a lower scaffold and four upright posts (6) which are arranged on one side of a wall body and are distributed in a square shape;

the scaffold comprises an upper scaffold main frame (1) fixed on a vertical rod (6) in an upper scaffold, a lower scaffold main frame (31) sliding on the vertical rod (6) in a lower scaffold, a scaffold tread platform (10) welded at the positions, close to the bottom, of the upper scaffold main frame (1) and the lower scaffold main frame (31), a supporting platform (15) welded at the position, close to the top, of the upper scaffold main frame (1), and a manual hoist hanging point (8) fixed at the bottom of the supporting platform (15);

a fixed cross rod (25) and a movable cross rod (2) are respectively connected between two vertical rods (6) on the wall side of the upper scaffold main frame (1), a fixed cross rod (25) is connected between two vertical rods (6) on the wall side of the lower scaffold main frame (31), the fixed cross rod (25) is arranged above the scaffold tread platform (10), and the movable cross rod (2) is arranged above the supporting platform (15);

the guide rail (3) is welded on one side, close to a wall, of two vertical rods (6) on the wall side of the upper scaffold main frame (1) and the lower scaffold main frame (31), the guide rail (3) is formed by welding angle steel (20) and hollow square steel (41), the angle steel (20) is fixed on two side walls of the hollow square steel (41), the hollow square steel (41) is arranged between the angle steel (20) at intervals, and the front end and the rear end of the hollow square steel (41) are communicated with openings;

a lifting hanging seat (7) for fixing a steel strand rope and a wall connecting piece for supporting an upper scaffold and a lower scaffold are fixed on the wall, and the lifting hanging seat (7) is arranged above the supporting platform (15);

even wall spare is including bearing even wall spare (4) and prevent weighing down even wall spare (5), the bearing is including steel sheet (14), trapezoidal steel sheet (36) and rotatory bearing plate (16) even in wall spare (4), steel sheet (14) are fixed on the wall body, and trapezoidal steel sheet (36) symmetric welding is on steel sheet (14), it is fixed with circle axle (37) to run through on rotatory bearing plate (16), circle axle (37) swing joint is between trapezoidal steel sheet (36), be equipped with an opening on rotatory bearing plate (16) and upwards just be used for placing and supporting the recess of fixed horizontal pole (25) or activity horizontal pole (2), one side that rotatory bearing plate (16) are close to the steel sheet is equipped with holding surface (43), the holding surface (43) upper and lower side is equipped with activity face (42) and spacing face (44) respectively, the distance between circle axle (37) axis to steel sheet (14) is greater than the distance of circle axle (37) axis to activity face (42) just is less than circle axle (37) The distance from the axis to the limiting surface (44), and the gravity center of the rotating bearing plate (16) is arranged at a position close to the groove;

prevent weighing down including steel sheet (14), L shaped steel board (27), T type in even wall spare (5) and prevent weighing down shore (13), bolt (12), spring (38) and Z shaped steel baffle (11), steel sheet (14) are fixed on the wall body, and L shaped steel board (27) symmetric welding is on steel sheet (14), just one side that steel sheet (14) were kept away from to L shaped steel board (27) is connected with Z shaped steel baffle (11) through bolt (12), T type prevents weighing down shore (13) swing joint between L shaped steel board (27), and keeps away from the one end slope of steel sheet (14) and upwards sets up, T type prevents weighing down shore (13) both sides and is connected with L shaped steel board (27) through spring (38), T type prevents down shore (13) below and is equipped with limiting plate (39) rather than looks adaptation and mutual contact, limiting plate (39) are fixed on L shaped steel board (27), one end of the T-shaped anti-falling top support (13) is supported on the guide rail (3), and the guide rail (3) vertically penetrates through a channel enclosed by the two Z-shaped steel baffles (11).

2. The novel socket type adaptive floor climbing frame according to claim 1, characterized in that: the scaffold tread platform is characterized in that the scaffold tread platform (10) and the supporting platform (15) are formed by welding rods and thin steel plates, the thin steel plates are welded on the surfaces of the scaffold tread platform (10) and the supporting platform (15), and a through hole is formed in the surfaces of the thin steel plates.

3. The novel socket type adaptive floor climbing frame according to claim 1, characterized in that: including square steel (21), angle steel (20), hexagonal screw rod (24) and nut (19) in activity horizontal pole (2), angle steel (20) and nut (19) welding and constitution angle steel-nut weldment (22), angle steel-nut weldment (22) welding is at the both ends of square steel (21), angle steel-nut weldment (22) are connected through hexagonal screw rod (24) and two pole settings (6) that lean on the wall side, just be connected with gasket (23) between hexagonal screw rod (24) and angle steel-nut weldment (22), reserve on both sides pole setting (6) that lean on the wall side and have the hole corresponding with hexagonal screw rod (24).

4. The novel socket type adaptive floor climbing frame according to claim 1, characterized in that: the hand hoist hangs and hangs including I-steel (34), U shaped steel screw-thread stick (32), gasket (23) and nut in the hoisting point (8), and I-steel (34) are fixed in supporting platform (15) bottom, and U shaped steel screw-thread stick (32) set up in I-steel (34) periphery, and it passes through gasket (23) and the nut is fixed on I-steel (34).

5. The novel socket type adaptive floor climbing frame according to claim 1, characterized in that: promote and hang including steel sheet (14), triangle-shaped steel bezel (28), pin (29) and O type fastener (30) in seat (7), steel sheet (14) are fixed on the wall body, and triangle-shaped steel bezel (28) symmetric welding is on steel sheet (14), and it has pin (29) to run through between triangle-shaped steel bezel (28), and O type fastener (30) cover is on pin (29).

6. The novel socket type adaptive floor climbing frame according to claim 1, characterized in that: the scaffold tread platform (10) and the supporting platform (15) are peripherally provided with guard rails, each guard rail is formed by welding a plurality of cross rods, vertical rods (6) and oblique rods, a protective net (26) is installed on one side, away from a wall, of each of the upper scaffold main frame (1) and the lower scaffold main frame (31), and the protective net (26) is a punched iron sheet net.

7. The novel socket type adaptive floor climbing frame according to claim 2, characterized in that: scaffold tread platform (10) below is fixed with steel strand wires and wears guide wheelset (9), including channel-section steel (35), pulley (33), pin (29) and gasket (23) in the steel strand wires and wears guide wheelset (9), channel-section steel (35) are equipped with two, and it welds into a whole through gasket (23), pulley (33) pass through pin (29) swing joint between two channel-section steels (35), and the clearance between two channel-section steels (35) communicates with each other with the through-hole on thin steel sheet surface.

8. The novel socket type adaptive floor climbing frame according to claim 5, characterized in that: the bearing wall connecting piece (4), the anti-falling wall connecting piece (5) and the steel plate (14) in the lifting hanging seat (7) are provided with two symmetrical circular rectangular long holes.

9. The novel socket type adaptive floor climbing frame according to claim 1, characterized in that: the welding of combination department of steel sheet (14) and trapezoidal steel sheet (36) has hollow circular steel tube (18) that a both ends link up, swing joint has the rotatory pin (17) of preventing upwarping of L type in hollow circular steel tube (18), the rotatory pin (17) one end of preventing upwarping of L type is fixed with spacing portion (40) that a slope set up, just the top of the rotatory pin (17) of preventing upwarping of L type surpasss the top of trapezoidal steel sheet (36), the rotatory other end that prevents upwarping pin (17) of L type outwards extends and surpasss the side of fixed horizontal pole (25) or activity horizontal pole (2).

10. The novel socket type adaptive floor climbing frame according to claim 1, characterized in that: the outer dimension of the member of the lower scaffold main frame (31) is 2-5mm larger than that of the member of the upper scaffold main frame (1).

Technical Field

The invention relates to the technical field of building construction, in particular to a novel socket type self-adaptive floor climbing frame.

Background

The scaffold is a safety structure erected for assisting workers in performing high-rise or outer wall construction operation on site, the traditional full-hall type and fastener type scaffolds are not satisfactory in high-rise and super high-rise buildings, and are difficult to popularize on a large scale in the auxiliary construction of an assembly type building; sufficient holes and outer wall force points are reserved in the use process of the cantilever scaffold in the assembly type building, the cantilever scaffold is difficult to accurately position in the assembly type building, the operation is complex, and the cantilever scaffold is limited considerably.

Therefore, the climbing scaffold is a novel scaffold system developed in recent years, is mainly applied to the operation of using an assembled building main body and an outer wall on a high-rise or super high-rise, can ascend or descend along a building, and can be divided into a hydraulic type, an electric type and a manual pull type according to the power source of ascending and descending, and the climbing scaffold completely changes the scaffold technology: firstly, needn't turn over the shelf, secondly avoided the dismouting process of scaffold frame, the scaffold frame can be used to the construction after once assembling and finish always, and do not receive the restriction of building height, very big manpower and material of having saved to also have great transformation to traditional scaffold frame at safe angle, have development advantage in high-rise and assembled building extremely.

Along with building trade rapid development, to scaffold's security, economic nature, convenience, the durability has proposed new severer requirement, consequently, provides one kind on this basis can hoist mechanism power transmission structure's bearing capacity, improvement support body hoisting point position structural stability and guarantee the sufficient operating space's of hoist mechanism novel socket joint formula self-adaptation layer height and climb the frame.

Disclosure of Invention

The invention aims to solve the problems existing in the use process of the existing scaffold, and provides a socket type self-adaptive layer climbing frame which can ensure the bearing capacity of a force transmission structure of a lifting mechanism, improve the structural stability of the lifting point position of a frame body, ensure the sufficient running space of the lifting mechanism and ensure that the frame body can be safely lifted.

In order to achieve the purpose, the invention provides the following technical scheme:

a novel socket joint type self-adaptive layer height climbing frame comprises an upper truss frame, a lower truss frame and four upright posts which are distributed in a square shape, wherein the upper truss frame and the lower truss frame are arranged on one side of a wall;

the upper truss scaffold comprises an upper truss scaffold main frame fixed on the vertical rod, the lower truss scaffold comprises a lower truss scaffold main frame sliding on the vertical rod, a scaffold tread platform is welded at the positions, close to the bottom, of the upper truss scaffold main frame and the lower truss scaffold main frame, a supporting platform is also welded at the position, close to the top, of the upper truss scaffold main frame, and a manual hoist hanging point is fixed at the bottom of the supporting platform;

a fixed cross rod and a movable cross rod are respectively connected between two vertical rods on the wall-near side of the upper scaffold main frame, a fixed cross rod is connected between two vertical rods on the wall-near side of the lower scaffold main frame, the fixed cross rod is arranged above the scaffold tread platform, and the movable cross rod is arranged above the supporting platform;

guide rails are welded on one sides, close to the wall, of two vertical rods on the wall-near side of the upper scaffold main frame and the lower scaffold main frame, the guide rails are formed by welding angle steel and hollow square steel, the angle steel is fixed on two side walls of the hollow square steel, the hollow square steel is arranged between the angle steel at intervals, and the front end and the rear end of the hollow square steel are communicated with openings;

a lifting hanging seat for fixing a steel strand and a wall connecting piece for supporting an upper scaffold and a lower scaffold are fixed on the wall, and the lifting hanging seat is arranged above the supporting platform;

the wall connecting piece comprises a bearing wall connecting piece and an anti-falling wall connecting piece, the bearing wall connecting piece comprises a steel plate, a trapezoidal steel plate and a rotary bearing plate, the steel plate is fixed on a wall body, the trapezoidal steel plate is symmetrically welded on the steel plate, a round shaft penetrates through and is fixed on the rotary bearing plate, the round shaft is movably connected between the trapezoidal steel plate, a groove with an upward opening is formed in the rotary bearing plate and used for placing and supporting a fixed cross rod or a movable cross rod, a supporting surface is arranged on one side, close to the steel plate, of the rotary bearing plate, a movable surface and a limiting surface are respectively arranged above and below the supporting surface, the distance from the axis of the round shaft to the steel plate is larger than the distance from the axis of the round shaft to the movable surface and smaller than the distance from the axis of the round shaft to the limiting surface, and the gravity center of the rotary bearing plate is arranged at a position close to the groove;

prevent weighing down in the wall connecting piece and prevent weighing down shore, bolt, spring and Z shaped steel baffle including steel sheet, L shaped steel board, T type, the steel sheet is fixed on the wall body, and L shaped steel board symmetric welding is on the steel sheet, just one side that the steel sheet was kept away from to L shaped steel board has Z shaped steel baffle through bolted connection, T type prevents weighing down shore swing joint between L shaped steel board, and keeps away from the one end slope of steel sheet and upwards sets up, T type prevents weighing down shore both sides and is connected through spring and L shaped steel board, T type prevents weighing down shore below and is equipped with rather than looks adaptation and the limiting plate of mutual contact, the limiting plate is fixed on L shaped steel board, T type prevents that the one end of shore is supported on the guide rail, just the guide rail is vertical to pass the passageway that encloses between two Z shaped steel baffles.

As a further scheme of the invention: the scaffold tread platform and the supporting platform are formed by welding rods and thin steel plates, the thin steel plates are welded on the surfaces of the scaffold tread platform and the supporting platform, and a through hole is formed in the surfaces of the thin steel plates.

As a further scheme of the invention: the movable cross rod is internally provided with square steel, angle steel, a hexagonal screw and a nut, the angle steel is welded with the nut to form an angle steel-nut weldment, the angle steel-nut weldment is welded at two ends of the square steel, the angle steel-nut weldment is connected with two vertical rods close to the wall side through the hexagonal screw, a gasket is connected between the hexagonal screw and the angle steel-nut weldment, and holes corresponding to the hexagonal screw are reserved in the vertical rods close to the two sides of the wall side.

As a further scheme of the invention: the hand hoist hangs and hangs including I-steel, U shaped steel screw rod, gasket and nut in the hoisting point, the I-steel is fixed in the supporting platform bottom, and U shaped steel screw rod sets up in the I-steel periphery, and it passes through the gasket and fixes on the I-steel with the nut.

As a further scheme of the invention: promote to hang including steel sheet, triangle-shaped steel bezel, pin and O type fastener in the seat, the steel sheet is fixed on the wall body, and triangle-shaped steel bezel symmetrical welding is on the steel sheet, runs through between the triangle-shaped steel bezel and has had the pin, and O type fastener cover is on the pin.

As a further scheme of the invention: the scaffold tread platform and the supporting platform are peripherally provided with guard rails, the guard rails are formed by welding a plurality of cross rods, vertical rods and inclined rods, a protective net is installed on one side, away from the wall body, of each of the upper scaffold main frame and the lower scaffold main frame, and the protective net is a punched iron sheet net.

As a further scheme of the invention: the scaffold tread platform below is fixed with steel strand wires and wears guide wheelset, including channel-section steel, pulley, pin and gasket in the steel strand wires and wears guide wheelset, the channel-section steel is equipped with two, and it welds into a whole through the gasket, the pulley passes through pin swing joint between two channel-section steels, and the clearance between two channel-section steels communicates with each other with the through-hole on thin steel sheet surface.

As a further scheme of the invention: the bearing is connected with the wall piece, the anti-falling wall piece and the steel plate in the lifting hanging seat are provided with two circular rectangular long holes which are symmetrically arranged.

As a further scheme of the invention: the welding of steel sheet and trapezoidal steel sheet's combination department has the hollow circular steel tube that a both ends link up, the intraductal swing joint of hollow circular steel has the rotatory pin of preventing upwarp of L type, the rotatory pin one end of preventing upwarp of L type is fixed with the spacing portion that an slope set up, just the rotatory top of preventing upwarp the pin of L type surpasss the top of trapezoidal steel sheet, the rotatory other end that prevents upwarp the pin of L type outwards extends and surpasss the side of fixed horizontal pole or activity horizontal pole.

As a further scheme of the invention: the external dimension of the member of the lower scaffold main frame is 2-5mm larger than that of the member of the upper scaffold main frame.

Has the advantages that:

1. the invention provides an upper truss scaffold and a lower truss scaffold, and the distance between the lower truss scaffold and the upper truss scaffold is adjustable, so that the invention can be freely adjusted according to different floor heights of a building when in use, can not be shut down and switched to other floor height scaffolds midway, can be used for next construction, can be switched and used in different construction sites, improves the practicability, safety and convenience of the product under various construction conditions, and simultaneously ensures that the product has high flow conversion performance and applicability.

2. The invention provides a wall connecting piece which is divided into a bearing wall connecting piece and an anti-falling wall connecting piece, wherein the bearing wall connecting piece can be used for supporting and fixing upper scaffolds and lower scaffolds, can receive and transmit frame body loads on the upper scaffolds and the lower scaffolds, meanwhile, the normal rising of the upper scaffold and the lower scaffold is not influenced, the anti-falling wall connecting piece can be used for supporting the upper scaffold and the lower scaffold, when the frame body suddenly drops, the T-shaped anti-falling top support is abutted against the hollow square steel in the middle of the guide rail to limit the frame body to move downwards and continuously unload the downward impact force of the frame body, thereby playing the role of anti-falling, and the T-shaped anti-falling top support is connected with a rotation limiting structure and a spring, so that the T-shaped anti-falling top support can rotate in one direction, the blocking of the frame body in the lifting process can not be caused, meanwhile, due to the action of the spring, the T-shaped anti-falling top support is limited from rotating outwards by a large margin and cannot be righted.

3. The invention is suitable for the construction of outer wall bodies of high-rise and super high-rise buildings, can lift the frame body along with the engineering requirements, and can also adapt to the change of the floor height, namely, one set of scaffold can meet the requirement of the change of the floor height of different floors of the same building, the bearing capacity and the power requirement in the lifting process of the scaffold are met, the safe space in the operation process of the frame body is ensured, the problems of extrusion and collision deformation between the frame body and components are avoided, the stability and the safety in the lifting process of the frame body are ensured, meanwhile, the electric lifting and the manual lifting can be realized, and the invention is suitable for various scenes.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural view of an upper scaffold in the present invention;

fig. 3 is a schematic structural view of a lower scaffold in the present invention;

FIG. 4 is a schematic view of the structure of the guide rail of the present invention;

FIG. 5 is a schematic view of the overall structure of the movable cross bar of the present invention;

FIG. 6 is a schematic view of a detachable structure of the movable cross bar of the present invention;

FIG. 7 is a schematic structural view of a lifting hanging seat of the present invention;

FIG. 8 is a schematic structural diagram of a hanging point of the hand hoist in the present invention;

FIG. 9 is a schematic structural view of a steel strand threading pulley set in the present invention;

FIG. 10 is a schematic structural view of the load-bearing wall connecting member of the present invention;

FIG. 11 is a schematic view of the load-bearing wall connecting member of the present invention in a disassembled configuration;

FIG. 12 is a schematic side view of a rotating bearing plate according to the present invention;

FIG. 13 is an enlarged view of the structure at A in FIG. 1;

FIG. 14 is a schematic structural view of the anti-falling wall connecting piece of the invention;

FIG. 15 is a schematic view of the anti-falling wall connecting piece of the invention in a disassembled structure;

in the figure: 1. an upper scaffold main frame; 2. a movable cross bar; 3. a guide rail; 4. a bearing wall connecting piece; 5. the anti-falling wall connecting piece; 6. erecting a rod; 7. lifting the hanging seat; 8. hanging a hanging point by a hand hoist; 9. a steel strand threading guide wheel set; 10. a scaffold tread platform; 11. a Z-shaped steel baffle plate; 12. a bolt; 13. a T-shaped anti-falling top support; 14. a steel plate; 15. a support platform; 16. rotating the bearing plate; 17. an L-shaped rotary anti-warping stop lever; 18. a hollow round steel pipe; 19. a nut; 20. angle steel; 21. square steel; 22. angle steel-nut weldments; 23. a gasket; 24. a hexagonal screw; 25. fixing the cross bar; 26. a protective net; 27. an L-shaped steel plate; 28. a triangular steel baffle plate; 29. a pin; 30. an O-shaped fastener; 31. a lower scaffold main frame; 32. u-shaped steel threaded rods; 33. a pulley; 34. i-shaped steel; 35. channel steel; 36. a trapezoidal steel plate; 37. a circular shaft; 38. a spring; 39. a limiting plate; 40. a limiting part; 41. hollow square steel; 42. a movable surface; 43. a support surface; 44. a limiting surface.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides the following technical scheme:

as shown in fig. 1-15, a novel socket-type adaptive story-height climbing frame comprises an upper scaffold, a lower scaffold and four upright rods 6 which are arranged on one side of a wall body and are distributed in a square shape;

the upper scaffold comprises an upper scaffold main frame 1 fixed on a vertical rod 6, the lower scaffold comprises a lower scaffold main frame 31 sliding on the vertical rod 6, a scaffold tread platform 10 is welded at the positions, close to the bottoms, of the upper scaffold main frame 1 and the lower scaffold main frame 31, a supporting platform 15 is further welded at the position, close to the top, of the upper scaffold main frame 1, a manual hoist hanging point 8 is fixed at the bottom of the supporting platform 15, the manual hoist hanging point 8 can be used for hanging a driving assembly in the invention, the driving assembly is specifically a manual hoist, and the manual hoist can be used for lifting the upper scaffold and the lower scaffold;

a fixed cross rod 25 and a movable cross rod 2 are respectively connected between two upright posts 6 at the wall side of an upper scaffold main frame 1, a fixed cross rod 25 is connected between two upright posts 6 at the wall side of a lower scaffold main frame 31, the fixed cross rod 25 is arranged above a scaffold tread platform 10, the movable cross rod 2 is arranged above a supporting platform 15, wherein the fixed cross rod 25 is a national standard steel structural rod, the fixed cross rod 25 and the movable cross rod 2 are respectively positioned about 300mm above the scaffold tread platform 10 and the supporting platform 15, the height can be set according to the actual engineering requirement, the height is only shown here, the fixed cross rod 25 and the movable cross rod 2 can be used for bearing the frame weight of an upper scaffold and a lower scaffold and transmitting the frame weight to a wall connecting piece fixed on a wall body, and the distance between the movable cross rod 2 and the fixed cross rod 25 is adjustable, the distance between the movable cross bar 2 and the fixed cross bar 25 can be freely adjusted to adapt to different layer heights;

the guide rail 3 is welded on one side, close to a wall, of two vertical rods 6 of an upper scaffold main frame 1 and a lower scaffold main frame 31, the guide rail 3 is formed by welding angle steel 20 and hollow square steel 41, the angle steel 20 is fixed on two side walls of the hollow square steel 41, the hollow square steel 41 is arranged between the angle steel 20 at intervals, the front end and the rear end of the hollow square steel 41 are communicated with openings, the length of the guide rail 3 is the distance between a scaffold tread platform 10 and the tops of the vertical rods 6, the guide rail 3 is formed by welding two angle steel 20 and a certain number of hollow square steel 41, the hollow square steel 41 is positioned between the two angle steel 20 at intervals, then the angle steel 20 and the hollow square steel 41 are welded into a whole, and the guide rail 3 is arranged and can be used for guiding the upper scaffold main frame 1 and the lower scaffold main frame 31 to integrally move;

a lifting hanging seat 7 for fixing a steel strand rope and a wall connecting piece for supporting an upper scaffold and a lower scaffold are fixed on the wall, the lifting hanging seat 7 is arranged above a supporting platform 15, the steel strand rope can be fixed on the lifting hanging seat 7, the steel strand rope is driven by a manual hoist, the steel strand rope can drive the upper scaffold main frame 1 and the lower scaffold main frame 31 to move, and the safety of the lifting stress of the frame body is ensured;

the wall connecting piece comprises a bearing wall connecting piece 4 and an anti-falling wall connecting piece 5, the bearing wall connecting piece 4 comprises a steel plate 14, a trapezoidal steel plate 36 and a rotary bearing plate 16, the steel plate 14 is fixed on a wall, the trapezoidal steel plate 36 is symmetrically welded on the steel plate 14, a round shaft 37 penetrates through and is fixed on the rotary bearing plate 16, the round shaft 37 is movably connected between the trapezoidal steel plates 36, a groove with an upward opening is arranged on the rotary bearing plate 16 and is used for placing and supporting the fixed cross rod 25 or the movable cross rod 2, a supporting surface 43 is arranged on one side of the rotary bearing plate 16 close to the steel plate, a movable surface 42 and a limiting surface 44 are respectively arranged above and below the supporting surface 43, the specific supporting surface 43 and the limiting surface 44 are planes, the movable surface 42 is an arc-shaped surface, the distance between the axis of the circular shaft 37 and the steel plate 14 is larger than the distance between the axis of the circular shaft 37 and the movable surface 42 and smaller than the distance between the axis of the circular shaft 37 and the limiting surface 44, the gravity center of the rotary bearing plate 16 is arranged at a position close to the groove, the bearing connecting wall part 4 is used for fixing the movable cross bar 2 and the fixed cross bar 25, receives and transmits the frame load on the cross bars, and mainly plays a role of rotating the bearing plate 16, the rotating bearing plate 16 is provided with a groove and a round shaft 37, the groove is used for placing and fixing the movable cross bar 2 and the fixed cross bar 25, and simultaneously bears and transmits the frame load transmitted by the movable cross bar 2 and the fixed cross bar 25, the round shaft 37 is used for penetrating a reserved hole of the trapezoidal steel plate 36, meanwhile, the rotating bearing plate 16 can freely rotate around the round shaft 37, simultaneously, because the distance between the axis of the round shaft 37 and the steel plate 14 is larger than the distance between the axis of the round shaft 37 and the movable surface 42 and smaller than the distance between the axis of the round shaft 37 and the limiting surface 44, the rotating bearing plate 16 can only upwards rotate, when the rotating bearing plate 16 moves downwards, the contact position of the bearing surface 43 and the limiting surface 44 can support the steel plate 14 to prevent the rotating downwards, when the frame body is lifted, the movable cross bar 2 and the fixed cross bar 25 move upwards to touch or abut against the rotary bearing plate 16, the movable cross bar 2 and the fixed cross bar 25 can rotate upwards around the circular shaft 37, so that the movable cross bar 2 and the fixed cross bar 25 can pass through conveniently, and after the movable cross bar 2 and the fixed cross bar 25 pass through, the rotary bearing plate 16 can automatically return to the right position due to the fact that the gravity center of the rotary bearing plate 16 is arranged at the position close to the groove;

the anti-falling wall connecting piece 5 comprises a steel plate 14, an L-shaped steel plate 27, a T-shaped anti-falling top support 13, bolts 12, springs 38 and Z-shaped steel baffles 11, the steel plate 14 is fixed on a wall, the L-shaped steel plate 27 is symmetrically welded on the steel plate 14, one side of the L-shaped steel plate 27 far away from the steel plate 14 is connected with the Z-shaped steel baffles 11 through the bolts 12, the T-shaped anti-falling top support 13 is movably connected between the L-shaped steel plates 27, one end of the T-shaped anti-falling top support 13 far away from the steel plate 14 is obliquely and upwards arranged, two sides of the T-shaped anti-falling top support 13 are connected with the L-shaped steel plate 27 through the springs 38, a limiting plate 39 which is matched with and mutually contacted with the T-shaped anti-falling top support 13 is arranged below the T-falling top support 13, the limiting plate 39 is fixed on the L-shaped steel plate 27, one end of the T-shaped anti-falling top support 13 is supported on the guide rail 3, specifically, one end of the T-falling top support 13 is obliquely and upwards supported in the hollow square steel 41, and the guide rail 3 vertically passes through a channel enclosed by the two Z-shaped steel baffles 11, three holes are reserved on an L-shaped steel plate 27, one round hole is used for limiting a T-shaped anti-falling top support 13, two threaded holes are used for connecting a Z-shaped steel baffle plate 11 and a bolt 12, a cylinder at the end part of the T-shaped anti-falling top support 13 is inserted into a reserved hole of the L-shaped steel plate 27, the L-shaped steel plate 27 is welded on a steel plate 14, the other L-shaped steel plate 27 is welded on the steel plate 14, the T-shaped anti-falling top support 13 also penetrates through the reserved hole of the L-shaped steel plate 27 to ensure that the T-shaped anti-falling top support 13 can rotate smoothly, otherwise, the hole needs to be adjusted, the reserved hole of the Z-shaped steel baffle plate 11 corresponds to the L-shaped steel plate 27 and is connected and fixed by the bolt 12 to form an anti-falling wall connecting part 5, and then is fixed on a wall body by a wall connecting bolt, the T-shaped anti-falling top support 13 has the advantages of comprising a rotation limiting structure and a spring 38, wherein the rotation limiting structure is a limiting plate 39, the T-shaped anti-falling top support 13 can freely rotate, the T-shaped anti-falling top support 13 can only rotate upwards under the action of the limiting plate 39, the T-shaped anti-falling top support 13 cannot rotate downwards, the support body cannot be blocked in the lifting process, the T-shaped anti-falling top support 13 is limited to rotate outwards greatly and cannot return to the right position due to the action of the spring 38, when the upper scaffold main frame 1 and the lower scaffold main frame 31 lift, the guide rail 3 can lift along with the T-shaped anti-falling top support, one end of the T-shaped anti-falling top support 13 is obliquely supported on the guide rail 3, when the guide rail 3 lifts, the hollow square steel 41 lifts along with the T-shaped anti-falling top support 13, the T-shaped anti-falling top support 13 is reset under the action of the spring 38 after the guide rail 3 lifts, the hollow square steel 41 is obliquely supported again, the structure of the support body is convenient, and the guide rail 3 is positioned in the middle position of the two Z-shaped steel baffles 11 of the anti-falling connecting wall piece 5, the device is used for guiding up and down movement, and is limited if the scaffold moves towards other directions suddenly, and the device is characterized in that:

1. when the upper scaffold and the lower scaffold move away from the wall or move in the left-right direction, the angle steel flanges at two sides of the guide rail 3 are limited by the Z-shaped steel baffle 11 to prevent the guide rail from falling;

2. when the steel stranded ropes of the upper scaffold and the lower scaffold are broken when lifted or the bearing wall connecting piece 4 fails in the operation process, the frame body suddenly drops, the T-shaped anti-falling top support 13 abuts against the hollow square steel 41 in the middle of the guide rail 3 to limit the frame body to move downwards, and the hollow square steel 41 is arranged at equal intervals, so that the downward impact force of the frame body can be continuously unloaded.

Scaffold tread platform 10 and supporting platform 15 are formed by member and sheet steel welding, and the sheet steel welding is on scaffold tread platform 10 and supporting platform 15's surface, and the sheet steel surface has seted up a through-hole, and scaffold tread platform 10 and supporting platform 15's setting provides the safety space for master worker's outer wall operation, and the setting of through-hole, the passing through of the steel strand rope of being convenient for.

The movable cross bar 2 comprises square steel 21, angle steel 20, a hexagonal screw 24 and a nut 19, the angle steel 20 is welded with the nut 19 to form an angle steel-nut weldment 22, the angle steel-nut weldment 22 is welded at two ends of the square steel 21, the angle steel-nut weldment 22 is connected with two vertical rods 6 close to the wall side through the hexagonal screw 24, and a gasket 23 is connected between the hexagonal screw 24 and the angle steel-nut weldment 22, holes corresponding to the hexagonal screws 24 are reserved on the upright posts 6 at two sides close to the wall side, the movable cross bar 2 is manufactured by the steps of firstly drilling holes on the angle steel 20, nuts 19 are then placed at the openings and welded to the angles 20, and profiled angle-nut weldments 22 are then welded to the ends of square steel 21, and a hexagonal screw 24 penetrates through holes reserved in the two upright posts 6 on the side close to the wall to be fixed, and finally the connection between the movable cross rod 2 and the upper scaffold main frame 1 is completed.

The manual hoist hanging and hanging point 8 comprises an I-shaped steel 34, a U-shaped steel threaded rod 32, a gasket 23 and a nut, the I-shaped steel 34 is fixed at the bottom of the supporting platform 15, the U-shaped steel threaded rod 32 is arranged on the periphery of the I-shaped steel 34 and is fixed on the I-shaped steel 34 through the gasket 23 and the nut, and in the lifting process of the rack body, the power device is hung on the U-shaped steel threaded rod 32 so as to facilitate the lifting process of the rack body.

Including steel sheet 14 in the seat 7 is hung in the promotion, triangle-shaped steel baffle 28, pin 29 and O type fastener 30, steel sheet 14 is fixed on the wall body, and triangle-shaped steel baffle 28 symmetry welding is on steel sheet 14, it has pin 29 to run through between the triangle-shaped steel baffle 28, and O type fastener 30 covers on pin 29, weld two triangle-shaped steel baffle 28 on steel sheet 14 earlier, then pass triangle-shaped steel baffle 28 with pin 29 in proper order, O type fastener 30, triangle-shaped steel baffle 28, and it is fixed, promote and hang seat 7 and can be used to support the steel strand rope, guarantee that the support body promotes the atress safety.

Protective guards are arranged on the peripheries of the scaffold tread platform 10 and the supporting platform 15 and are formed by welding a plurality of cross rods, vertical rods 6 and inclined rods, protective guards 26 are arranged on the sides, away from the wall, of the upper scaffold main frame 1 and the lower scaffold main frame 31, the protective guards 26 are punched iron sheet meshes, and the protective guards 26 are used for guaranteeing the operation safety of workers and workers, preventing objects from falling high above the air and reducing potential safety hazards.

A steel strand threading wheel set 9 is fixed below the scaffold tread platform 10, the steel strand threading wheel set 9 comprises two channel steels 35, pulleys 33, pins 29 and gaskets 23, the number of the channel steels 35 is two, the steel strand rope is welded into a whole through a gasket 23, a pulley 33 is movably connected between two channel steel 35 through a pin 29, a gap between the two channel steel 35 is communicated with a through hole on the surface of a thin steel plate, a steel strand rope threading wheel set 9 is used for guiding the steel strand rope to move in a traction manner in the lifting process of a frame body so as to prevent dislocation and blocking, the working principle of the steel strand rope is that one section of the steel strand rope is connected with a manual hoist, the other end of the steel strand rope extends downwards and penetrates through the through hole on the surface of the thin steel plate, the steel strand rope is limited to move in the groove of the pulley 33 through the two pulleys 33 in the steel strand rope threading and guiding wheel set 9, is guided to the space between the frame body and the outer wall, and can be finally fixed on the lifting hanging seat 7.

The bearing is connected with wall spare 4, is prevented weighing down and is linked with wall spare 5 and promote and hang and all set up the circle rectangle slot hole that two symmetries set up on the inside steel sheet 14 of seat 7, and the downthehole mountable of circle rectangle slot is linked with the wall bolt, can link wall spare 4 with the bearing through linking the wall bolt, prevent weighing down and link wall spare 5 and promote and hang seat 7 and fix on the wall body, and in actual site operation, the accuracy is not high, can adjust the form that reduces the error with the form of adjustment trompil size.

A hollow circular steel tube 18 with two through ends is welded at the joint of the steel plate 14 and the trapezoidal steel plate 36, an L-shaped rotating anti-warping baffle rod 17 is movably connected in the hollow circular steel tube 18, one end of the L-shaped rotating anti-warping baffle rod 17 is fixed with a limit part 40 which is obliquely arranged, the limit part 40 is used for limiting the position of the L-shaped rotating anti-warping baffle rod 17, the upper part of the L-shaped rotating anti-warping baffle rod 17 exceeds the top of the trapezoidal steel plate 36, the other end of the L-shaped rotating anti-warping baffle rod 17 extends outwards and exceeds the side surface of the fixed cross rod 25 or the movable cross rod 2, the L-shaped rotating anti-warping baffle rod 17 has two working states, one is that the L-shaped rotating anti-warping baffle rod 17 is parallel to the steel plate 14 and is in a non-working state, the other is that the L-shaped rotating anti-warping baffle rod 17 is vertical to the steel plate 14 and is in a working state, when the frame body is in a lifting process and is in a non-working state, the L-working state is not above the fixed cross rod 25 or the movable cross rod 2, the promotion that can not influence the support body, other circumstances are operating condition, and when being in operating condition, the rotatory proof warp pin 17 of L type is rotatory to fixed horizontal pole 25 or 2 tops of activity horizontal pole, can inject the position of fixed horizontal pole 25 or activity horizontal pole 2, also can inject the position of support body simultaneously, prevents that it from removing or to one side perk.

The external dimension of the member of the lower scaffold main frame 31 is 2-5mm larger than that of the member of the upper scaffold main frame 1, so that the upper scaffold main frame 1 can be conveniently inserted, the relative position of the scaffold tread platform 10 can be conveniently adjusted to adapt to different layer heights, the frame body can be conveniently fixed after being lifted in a split mode, and finally the frame body and the scaffold tread platform 10 are welded into a whole.

The working principle is as follows: when the invention is used, firstly, when an upper scaffold is lifted, the L-shaped rotary anti-warping stop lever 17 of the upper scaffold main frame 1 corresponding to the bearing wall connecting piece 4 is opened to be kept horizontal with the steel plate 14 so as not to hinder the lifting of a frame body, then a manual block is fixed on a manual block hanging point 8, then a steel strand rope is fixed on the manual block by one section, the other end of the steel strand rope passes through a scaffold tread platform 10 on the upper scaffold main frame 1, is guided to the space between the frame body and an outer wall through a steel strand rope penetrating guide wheel set 9 and is fixed on a lifting hanging seat 7, the working state of the anti-falling wall connecting piece 5 and other components is checked at the moment, the upper scaffold is lifted without errors, at the moment, the lower scaffold can play a role in bearing protection, after the upper scaffold is moved to a preset position, the wall connecting piece is continuously installed at the preset position, and the L-shaped rotary anti-warping stop lever 17 of the upper scaffold main frame 1 corresponding to the bearing wall connecting piece 4 is opened, after the protection arrangement of the upper scaffold reaching the preset position is ensured to be in a working state, the steel stranded rope on the lifting hanging seat 7 is untied, meanwhile, the lengthened steel stranded rope passes through the lower scaffold to the steel stranded rope threading guide wheel set 9, the lengthened steel stranded rope is fixed on the lifting hanging seat 7 again, the same operation is repeated, and the lifting of the lower scaffold is realized.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.