CN111502215A

CN111502215A - Movable scaffold

Info

Publication number: CN111502215A
Application number: CN202010457716.XA
Authority: CN
Inventors: 王志勇; 刘峰; 刘强; 赵忠华; 陈彬; 吴彤; 蔡建桢; 张建业; 郭良磊; 郭睿; 赵学海; 赵洋洋; 樊建伟; 张盼; 侯宇; 路赞赞; 刘安阳
Original assignee: China Railway 16th Bureau Group Co Ltd; City Construction Development Co Ltd of China Railway 16th Bureau Group Co Ltd
Current assignee: China Railway 16th Bureau Group Co Ltd; City Construction Development Co Ltd of China Railway 16th Bureau Group Co Ltd
Priority date: 2020-05-26
Filing date: 2020-05-26
Publication date: 2020-08-07

Abstract

The invention relates to a movable scaffold, which relates to the technical field of building construction equipment and comprises a first frame main body, a second frame main body, a first moving body, a second moving body and a lifting device, wherein the first frame main body is connected with the second frame main body through a first connecting rod; the first frame main body comprises at least two groups of bent frames which are arranged in parallel at intervals, the adjacent bent frames are connected through a fixed structure, and the middle parts of the bent frames are provided with operation tables which are arranged transversely; the second frame main body comprises a support column body arranged along the vertical direction and a bracket, wherein one side of the bracket is fixedly connected with the bottom of the support column body, and the other side of the bracket is fixedly connected with the bottom side of the bent frame at the outer side; the first moving body is positioned at the bottom of the first frame main body; the second moving body is positioned at the bottom of the support column body; the lifting device comprises a lifter and a lifting platform located at the upper part of the bracket. The invention can solve the technical problems of poor structural stability, unstable mechanical property and easy side turning of the movable scaffold in the prior art, and achieves the technical effects of stable overall structure and side turning prevention of the scaffold.

Description

Movable scaffold

Technical Field

The invention relates to the technical field of building construction equipment, in particular to a movable scaffold which is used for building inner and outer walls of industrial and civil buildings, indoor decoration, installation engineering construction and the like.

Background

The movable scaffold is a movable working platform used for masonry, decoration or pipeline and electromechanical installation construction of industrial and civil building walls, is also a variety of scaffolds erected for facilitating operation of workers and solving the problems of material transportation and storage on construction sites, and is mainly used for inner and outer walls, interior decoration or parts with higher floor height and incapable of being directly constructed. The movable scaffold is made of bamboo, wood, steel pipes, aluminum alloy or synthetic materials and the like, and is widely applied to various industries such as buildings, municipal works, roads and bridges, advertising media and the like.

At present, the movable scaffold conventionally used in building construction is mainly made of steel pipes or aluminum alloy pipes, and is mainly provided with a fastener type steel pipe movable scaffold, a door type movable scaffold, a disc buckle type movable scaffold, a socket type steel pipe movable scaffold, a bowl buckle type steel pipe movable scaffold, a high-altitude suspension movable scaffold and the like. Among them, the use of the fastener type steel pipe movable scaffold and the door type movable scaffold is the most common.

In wall masonry, interior decoration and installation construction, the movable scaffold is mostly erected along the indoor wall surface of a building, and the horizontal movement of the same layer and the turnover between an upper layer and a lower layer are frequent, so that the movable scaffold is required to have the performances of lightness, flexibility, convenience in assembly and disassembly, firmness, durability and the like. Simultaneously, the use of portable scaffold frame compares with general console mode scaffold frame, and its operating condition has following characteristics:

1. the load variability is large, the bearing area of the movable scaffold is relatively small, the random variation of the load of the borne personnel and materials is large, and the eccentric load of the building with high floor height can reduce the bearing capacity and the safety performance of the frame body.

2. The movable scaffold has the characteristic of flexible movement, so relatively independent units need to be formed, rigid connection between the scaffold body and a wall body is often insufficient, the constraint on the scaffold body is insufficient, the space structure rigidity and the anti-overturning performance of the scaffold body supporting pivot are low, and the stability of the fixed type floor scaffold is difficult to achieve.

The movable scaffold in the prior art lacks updating process and improvement measures for the above working condition characteristics, and cannot effectively guarantee the overall structural stability and safety performance of the scaffold. In addition, the traditional movable scaffold generally adopts a manual carrying or pulley hoisting mode for vertically transporting materials, so that the construction wastes time and labor, the working efficiency is low, and the labor input cost is increased; meanwhile, constructors and material loads are both acted on the scaffold platform to form personnel and materials mixed, limited scaffold platform space is occupied, eccentric compression loads of the support body are increased, and the risk of scaffold safety accidents is caused when the loads are evenly distributed at the limit of the support.

Disclosure of Invention

The invention aims to provide a movable scaffold, and aims to solve the technical problems of poor structural stability, unstable mechanical property and easiness in side turning of the movable scaffold in the prior art, and achieve the technical effects of stable overall structure and side turning prevention of the scaffold.

In order to achieve the purpose, the invention adopts the technical scheme that: there is provided a mobile scaffold comprising

The first frame main body comprises at least two groups of bent frames which are arranged in parallel at intervals, the adjacent bent frames are connected through a fixed structure, and the middle parts of the bent frames are provided with operation tables which are arranged transversely;

the second frame main body comprises a support column body and a bracket, wherein the support column body is arranged along the vertical direction, one side of the bracket is fixedly connected with the bottom of the support column body, the other side of the bracket is fixedly connected with the bottom side edge of the bent frame on the outer side, and the support column body is positioned on one side, far away from the adjacent bent frame, of the bent frame on the outer side;

the first moving body is positioned at the bottom of the first frame main body and is used for driving the first frame main body to move;

the second moving body is positioned at the bottom of the supporting column body and used for driving the second frame main body to move; and

the lifting device comprises a lifter and a lifting platform positioned on the upper part of the bracket, wherein the lifter is connected with the lifting platform and is used for driving the lifting platform to move along the vertical direction.

Through adopting above-mentioned technical scheme, operating personnel stands and is under construction on the operation panel, through the bracket bearing lift platform of second frame main part for the material goes up and down through promoting the platform, has realized the personnel's material separation through setting up the frame main part alone, has improved work efficiency.

More importantly, the supporting columns of the second frame main body are arranged along the vertical direction, and the supporting points at the bottom of the supporting columns and the supporting points at the bottom of the bent frame at the outer side are enclosed into a triangle, so that the structure of the triangle is more stable; the eccentric load of the scaffold is effectively balanced, so that the bottom support of the second frame main body is more stable and firm, the rollover phenomenon in the material transporting process is avoided, and the stability, reliability and high efficiency of the material transporting process are ensured.

In addition, set up the second moving body in the bottom of support column body, set up first moving body in the bottom of first frame main part, first moving body and second moving body cooperation drive scaffold frame global movement along ground, move the scaffold frame according to the construction position in the use, it is more convenient, nimble to use.

Furthermore, the second frame main body further comprises a hanging bracket, one side of the hanging bracket is fixedly connected with the upper part of the supporting column body, the other side of the hanging bracket is fixedly connected with the upper side of the outer side of the bent frame, the lifter is fixedly arranged on the hanging bracket, and the lifter is connected with the lifting platform through a rope.

By adopting the technical scheme, the material is directly lifted in the vertical direction through the lifter, the structure is simpler, the rope and the extending end of the lifter only move in the vertical moving direction of the lifting platform, the moving range is small, the interference with other objects or structures is avoided, the lifting path is short, and the lifting process is smoother; in addition, the lifter is arranged on the upper part, so that the space of the lower part is saved, the interference with materials is avoided, and the use is more convenient.

Furthermore, the lifting platform comprises a frame-type support frame and a flat plate fixedly arranged on the upper surface of the support frame, four symmetrically-arranged hanging rings are fixedly arranged on the periphery of the upper surface of the support frame, and the hanging rings are connected with the rope.

By adopting the technical scheme, the lifting platform is simple in structure, firm and reliable, has higher bearing capacity, and is rectangular in flat plate and large in bearing area.

Further, the lifter adopts a winch.

By adopting the technical scheme, the winch is favorable for being placed on the hanging bracket on the upper part, and in addition, the weight of materials lifted by the scaffold is not large, so the requirement can be completely met by adopting the electric winch, and the production cost can be saved.

Furthermore, the lifting platform further comprises a guide structure connected with the lifting platform, and the guide structure is used for controlling the lifting platform to vertically move.

By adopting the technical scheme, the transverse shaking of the lifting platform in the lifting process is favorably controlled, so that the lifting platform can stably move in the vertical direction, the safety is favorably improved, and the potential safety hazard is eliminated.

Furthermore, the guide structure comprises a guide upright post and a guide sleeve fixedly arranged on the side part of the lifting platform, and the guide sleeve is sleeved on the periphery of the guide upright post in a sliding manner.

Through adopting above-mentioned technical scheme, adopt the sliding fit of uide bushing and direction stand to play the effect of direction to the removal that promotes the platform, simple structure, connection are reliable, avoid promoting the problem of rocking of platform removal process, transport the material more steady.

Furthermore, the guide upright post adopts the support column body which is a cylinder.

Through adopting above-mentioned technical scheme, direction stand and support cylinder have adopted the integrative structure of sharing, and the support cylinder has played the effect of support and has played the effect of direction in guide structure in the second frame main part, and the component has been saved in this design, has practiced thrift manufacturing cost, and the structure is compacter.

Furthermore, the first moving body is at least four universal wheels which are uniformly distributed and fixedly arranged at the bottom of the bent frame; the second moving body is a universal wheel fixedly arranged at the bottom end of the supporting column body.

Through adopting above-mentioned technical scheme, realized the holistic removal of scaffold frame for first frame main part and second frame main part remove convenient more, nimble, and labour saving and time saving reduces intensity of labour.

Furthermore, the periphery of operation panel is equipped with the protection rail.

By adopting the technical scheme, the protection effect can be realized on the operators, and the safety of the construction process is ensured.

Furthermore, a ladder stand is arranged between the end parts of the adjacent bent frames.

Through adopting above-mentioned technical scheme, made things convenient for operating personnel to climb the scaffold frame, work is convenient more, laborsaving.

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

1. the first frame main body mainly used for bearing constructors and providing construction for operators and the second frame main body mainly used for conveying materials are arranged respectively, so that the man-material separation is realized, and the working efficiency is improved; the bottom supporting points of the supporting columns and the supporting points at the bottom of the bent frame on the outer side are enclosed to form a triangle, the structure of the triangle is more stable, the eccentric load of the scaffold is effectively balanced, the bottom support of the second frame main body is more stable and firmer, the rollover phenomenon in the material conveying process is avoided, and the stability, reliability and high efficiency of the material conveying process are ensured; the second moving body is arranged at the bottom of the supporting column body, the first moving body is arranged at the bottom of the first frame body, the scaffold is moved according to the construction position in use, and the use is more convenient and flexible.

2. The lifting frame is used for fixing the lifter, so that the material is directly lifted in the vertical direction through the lifter, the structure is simpler, the rope and the extending end of the lifter only move in the vertical moving direction of the lifting platform, the moving range is small, the interference with other objects or structures is avoided, the lifting path is short, and the lifting process is smoother; in addition, the lifter is arranged on the upper part, so that the space of the lower part is saved, the interference with materials is avoided, and the use is more convenient.

3. Through add guide structure on promoting the platform for control promotes the horizontal rocking of platform at the in-process that goes up and down, makes its steady vertical direction removal of following, is favorable to improving the security, eliminates the potential safety hazard.

Drawings

Fig. 1 is a schematic structural diagram of a mobile scaffold provided by an embodiment of the present invention;

FIG. 2 is a schematic structural view of the first and second frame bodies of FIG. 1;

FIG. 3 is a schematic structural view of the first frame body of FIG. 1;

FIG. 4 is a schematic diagram of the configuration of the bent in FIG. 1;

FIG. 5 is a top view of the bracket of FIG. 1;

FIG. 6 is a schematic illustration of the construction of the lift platform of FIG. 1;

fig. 7 is an exploded view of the console of fig. 1.

In the figure: 1. lifting device, 11, lifter, 12, rope, 13, lifting platform, 131, support frame, 132, flat plate, 133, flying ring, 2, protective fence, 3, first frame body, 31, operation platform, 311, supporting frame, 312, screen panel, 313, fixed hook, 32, bent frame, 321, upright rod, 322, angle steel, 33, fixed structure, 4, ladder stand, 5, first moving body, 6, second frame body, 61, hanger, 62, supporting column/guiding upright column, 63, bracket, 631, bracket connecting rod, 632, bracket supporting rod, 633, connecting bolt, 7, second moving body, 8, guiding structure, 81 and guiding sleeve.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1-5, the invention discloses a movable scaffold, which comprises a first frame body 3, a second frame body 6, a first moving body 5, a second moving body 7 and a lifting device 1, wherein the first frame body 3 comprises at least two groups of parallel and spaced bent frames 32, preferably two groups of bent frames 32 arranged in parallel and facing to each other, the bent frames 32 are H-shaped and comprise two parallel and spaced upright rods 321, the upright rods 321 are made of steel pipes with the diameter of phi 48 × 3.5mm, the upright rods 321 are connected into a whole through a plurality of angle steels 322, the upright rods 321 are fixed with the angle steels 322, the adjacent bent frames 32 are connected through a fixing structure 33, the fixing structure 33 comprises steel pipes with the diameter of phi 38 × 3mm and fixed at two ends respectively welded and fixed with the upright rods 321, the pull rods are fixedly connected with the upright rods 321 through bolts, the pull rods are connected with the upright rods 321 through bolts, the connecting rods of an M12mm, the pull rods are arranged at the middle parts of the operating platform 31 arranged transversely, the operating platform 31 is arranged at the top of the operating platform 31 and mainly used for an operator, the operator uses the fixed platform 31 and the supporting rack 32, the supporting platform is arranged horizontally, the supporting platform 70, the supporting platform is arranged at one side of the supporting platform, the supporting rod 62, the supporting platform 70, the supporting platform is used for driving the supporting platform, the supporting platform is arranged along the supporting rod 62, the supporting platform is arranged along the supporting platform 62, the supporting rod 62, the supporting platform 20 is arranged along the supporting platform, the supporting platform 20, the supporting platform is arranged along the supporting platform, the supporting rod of the supporting rod 62, the supporting platform is arranged along the supporting platform, the supporting platform 2 supporting platform, the supporting rod 62, the supporting platform is arranged along the supporting rod 62, the supporting rod of the supporting platform, the supporting platform is arranged along.

The implementation principle of the embodiment is as follows: by respectively arranging the first frame main body 3 and the second frame main body 6, an operator is supported by the operating platform 31 of the first frame main body 3, so that the operator can stand on the operating platform 31 for construction, the lifting platform 13 is supported by the bracket 63 of the second frame main body 6, materials are lifted by the lifting platform 13, the separation of the materials is realized by independently arranging the frame main bodies, and the working efficiency is improved; more importantly, the supporting columns 62 of the second frame main body 6 are arranged in the vertical direction, the bottom supporting points of the supporting columns 62 and the supporting points at the bottom of the outer side bent frame 32 are surrounded to form a triangle, the structure of the triangle is more stable, and as shown in fig. 1-2, the bottom supporting points of the supporting columns 62 and the four supporting points at the bottom of the bent frame 32 form five-point support, so that the eccentric load of the scaffold is effectively balanced, the bottom support of the second frame main body 6 is more stable and firm, the side-turning phenomenon in the material transporting process is avoided, and the stability, reliability and high efficiency of the material transporting process are ensured; in addition, set up second moving body 7 in the bottom of support column 62, set up first moving body 5 in the bottom of first frame main part 3, first moving body 5 and second moving body 7 cooperate and drive scaffold frame bodily movement along ground, move the scaffold frame according to the construction position in the use, and it is more convenient, nimble to use.

The working process of the embodiment is as follows: firstly, an operator pushes the scaffold to move the whole to a position to be constructed, and the operator gets on the operation table 31 of the first frame body 3; when the materials do not need to be conveyed, the lifting platform 13 is statically arranged on the bracket 63, and the lifter 11 does not work; when materials are conveyed, the materials are firstly placed on the lifting platform 13, then the lifter 11 is started, the lifter 11 drives the lifting platform 13 to load the materials to move upwards along the vertical direction, and after the materials are conveyed to a preset height, the lifter 11 is closed; finally, after the materials are used up, the lifter 11 is started, the lifting platform 13 is placed on the bracket 63 again, the lifter 11 is closed, and one-time feeding is completed.

The beneficial effect of this embodiment does: this embodiment is arranged in all the time in the perpendicular transportation of material and is promoted the platform 13, do not occupy the limited space of operation panel 31 of scaffold frame, realize the separation of people, the home range of constructor (operating personnel) on the scaffold frame has been expanded simultaneously, the mixed space limitation and the operation interference of people's material have been avoided, or constructor is scraped by the material on the scaffold frame and is bumped, the incident of stumbling, more importantly adopt the triangle-shaped structure to form five points and support the system, the potential safety hazard that the eccentric pressurized of frame main part causes has effectively been reduced, reach scaffold frame overall structure stability, the technological effect of avoiding turning on one's side.

Referring to fig. 1 and 2 together, as an embodiment of the portable scaffold of the present invention, the second frame body 6 further includes a hanger 61 having one side fixedly connected to an upper portion of the support column 62 and the other side fixedly connected to an upper side of the outer side bent 32, the lifter 11 is fixedly disposed on the hanger 61, and the lifter 11 is connected to the lifting platform 13 through a rope 12.

Referring to fig. 1, the implementation principle of this embodiment is as follows: the lifting frame 61 is arranged at the upper part between the support column 62 and the bent frame 32, the lifter 11 is arranged on the lifting frame 61, one end of the rope 12 is connected with the periphery of the lifting platform 13, and the other end of the rope is connected with a lifting hook at the extending end of the lifter 11, so that the material can be directly lifted in the vertical direction through the lifter 11, the structure is simpler, the rope 12 and the extending end of the lifter 11 only move in the vertical moving direction of the lifting platform 13, the moving range is small, the interference with other objects or structures is avoided, the lifting path is short, and the lifting process is smoother; in addition, the lifter 11 is arranged on the upper portion, so that the space of the lower portion is saved, interference with materials is avoided, and the use is more convenient.

Referring to fig. 1 and 6, as an embodiment of the mobile scaffold provided by the present invention, the lifting platform 13 includes a frame-type supporting frame 131 and a flat plate 132 fixedly disposed on an upper surface of the supporting frame 131, four symmetrically disposed hanging rings 133 are fixedly disposed around an upper surface of the supporting frame 131, and the hanging rings 133 are connected to the ropes 12.

Specifically, as shown in fig. 6, the support frame 131 is made of 3 pieces of 1400mm long angle steel with specification of 50 × 50 × 5mm, two ends and middle of the three pieces of angle steel are connected in butt welding mode through short angle steel, the support frame 131 is manufactured by welding according to the drawing size, a flat plate 132 with the size of 1.2M × 0.6.6M and the thickness of 20mm is covered on the upper surface of the support frame 131, the flat plate 132 is made of a bamboo plywood and serves as a tray for loading materials, the materials are protected, an M4 × 20mm self-tapping self-drilling dovetail nail is anchored with the support frame 131, the anchor spacing is 200mm, four hanging rings 133 are screwed or welded at four positions of the front end and the rear end of the angle steel on the outer side of the support frame 131, the hanging rings 133 are ring-shaped bolt hanging rings, a steel pipe with the length of 100mm and the size of DN80 is welded at the center of the edge frame of the angle steel pipe on one side, and.

The lifting platform 13 in this embodiment has a simple structure, is firm and reliable, has a high carrying capacity, and the flat plate 132 is rectangular, and has a large carrying area.

Referring to fig. 1, as a specific embodiment of the mobile scaffold provided by the present invention, a hoist is used as the lifter 11; the electric winch is adopted as the winch, so that the operation is simple, the rope winding amount is large, and the displacement is convenient.

The hoist 11 of this embodiment adopts the hoist engine, and the hoist engine is light small-size hoisting equipment, because weight is lighter, consequently is favorable to placing on gallows 61 on upper portion, in addition, because the material weight of lifting by crane through the scaffold frame is not big, so adopt the complete enough satisfaction requirement of electric hoist engine, consequently, is favorable to practicing thrift manufacturing cost.

Referring to fig. 1, 2 and 6, as an embodiment of the mobile scaffold provided by the present invention, the mobile scaffold further includes a guiding structure 8 connected to the lifting platform 13, and the guiding structure 8 is used for controlling the lifting platform 13 to move vertically.

In this embodiment, promote the material and connect rope 12 through the hoist engine, and then pull promotion platform 13 and load the material and reciprocate, because at the in-process that promotion platform 13 goes up and down, there is the phenomenon of rocking, has the potential safety hazard, consequently, through add guide structure 8 on promotion platform 13 for control promotes the horizontal rocking of platform 13 at the in-process that goes up and down, makes its steady vertical direction of edge remove, is favorable to improving the security, eliminates the potential safety hazard.

Referring to fig. 1, 2 and 6, as an embodiment of the mobile scaffold provided by the present invention, the guiding structure 8 includes a guiding upright 62 and a guiding sleeve 81 fixedly disposed at a side portion of the lifting platform 13, the guiding sleeve 81 is slidably sleeved on a periphery of the guiding upright 62, the guiding upright 62 is made of a steel pipe with a diameter of 48 × 3.5.5 mm, and the guiding sleeve 81 is made of a steel pipe with a length of 100mm and a size of DN 80.

It should be further noted that, in the present embodiment, the guide column 62 adopts the support column 62, the guide column 62 is the support column 62, the guide column 62 and the support column 62 adopt a shared integrated structure, the support column 62 plays a supporting role in the second frame main body 6 and plays a guiding role in the guide structure 8, the design saves components, saves production cost, and has a more compact structure.

Of course, the guide column 62 and the support column 62 can be separately disposed, and only the guide column 62 needs to be disposed along the vertical direction, i.e., along the moving direction of the lifting platform 13, and the bottom end of the guide column 62 needs to be disposed on the bracket 63, so that the guide effect on the lifting platform 13 can be achieved.

This embodiment adopts uide bushing 81 and guide column 62's sliding fit to play the effect of direction to the removal that promotes platform 13, simple structure, connection are reliable, avoid promoting platform 13 and remove the problem of rocking of process, it is more steady to transport the material.

Referring to fig. 1 to 3 together, as an embodiment of the mobile scaffold provided in the present invention, the first moving body 5 is at least four universal wheels uniformly distributed and fixedly disposed at the bottom of the bent frame 32; the second moving body 7 is a universal wheel fixedly arranged at the bottom end of the supporting column 62; further, the universal wheel is equipped with the brake structure, is favorable to the holistic steady location of scaffold frame, avoids the work progress scaffold frame to shift, guarantees construction safety.

In the embodiment, the universal wheels are connected to the supporting points at the bottom of the supporting column 62, so that stress points are concentrated, uniform stress is facilitated in the moving process, and the movement is more stable; when the first moving body 5 is four universal wheels, the four universal wheels are located at four corners of the rectangle and are uniformly arranged, and the stress is more uniform. Five universal wheels are supported on the ground, and a five-point supporting system of the whole scaffold is formed, so that the scaffold is more stable in the moving process, and the stress is uniform and reasonable.

Specifically, in the use process of the embodiment, when one construction part is used and a scaffold needs to be transferred, the brake of the caster (universal wheel) can be loosened in the same floor, and the caster is directly pushed to the next construction part by using the universal wheel; to the transfer between the upper and lower floor, can pass to the platform department of unloading of this floor, utilize the whole handling of tower crane to other floors, need not frequently dismantle and can reach the separation of personnel and materials, improve work efficiency.

Referring to fig. 1 and 2 together, as an embodiment of the mobile scaffold of the present invention, a protective fence 2 is disposed on the periphery of an operation platform 31; referring to fig. 7, the operation table 31 includes a supporting frame 311 at the bottom, a screen panel 312 on the upper surface of the supporting frame 311, and a fixing hook 313 on the side of the supporting frame 311, the fixing hook 313 can be turned over and fastened, the supporting frame 311 is welded to the screen panel 312 and then fixed to the bent frame 32 by the fixing hook 313, and the supporting frame 311 is made into a rectangular frame by square steel; the protection fence 2 is formed by welding angle steel, the protection fence 2 is in a three-side enclosing form, an open opening is formed in one side facing the construction surface, and the other three side faces are fixed on the vertical rod 321 on the upper portion of the bent frame 32 through bolts.

The setting of protection rail 2 in this embodiment can play the guard action to operating personnel, guarantees the safety of work progress.

Referring to fig. 1 to 3 together, as an embodiment of the mobile scaffold of the present invention, a ladder 4 is disposed between the ends of adjacent bent frames 32 for an operator to conveniently reach the operation platform 31 through the ladder 4.

Specifically, cat ladder 4 includes the handrail body of rod and a plurality of and handrail body of rod vertical welding's ladder pole that two at least vertical parallel intervals set up, and interval arrangement between the ladder pole, the handrail body of rod and ladder pole adopt the steel pipe preparation.

This embodiment is through setting up cat ladder 4, has made things convenient for operating personnel to climb the scaffold frame, and work is more convenient, laborsaving.

As a specific embodiment of the mobile scaffold provided by the present invention, a position-limiting structure is further disposed on the guide upright 62, and the position of the position-limiting structure is within a range from a position flush with the operation platform 31 to a position one meter and five higher than the operation platform 31; limiting structure is for welding in the protruding block of direction stand surface, and when operation panel 31 moved up to the highest position, the upper surface butt of uide bushing 81 was at the lower surface of protruding block.

This embodiment can avoid the position that operation panel 31 shifts up too high to lead to operating personnel to get the material inconvenient to can avoid the material too high to produce danger, make the operation more convenient, safer.

As a specific embodiment of the mobile scaffold provided by the invention, the bottom of the lifting platform 13 is further provided with an overload alarm, so that the alarm can be given when the lifting platform 13 is too much and too heavy, the scaffold is prevented from being turned over due to the too heavy lifting materials, and the safety protection effect is achieved.

In conclusion, the movable scaffold integrates the functions of an operation platform, lifting and feeding, safety protection, balanced bearing, flexible movement and the like, can replace the traditional movable scaffold, has good frame rigidity and stability, strong universality and high bearing capacity, can effectively improve the overall structural strength and safety performance of the movable scaffold, and fully meets the scaffold erection requirements of building inner and outer walls of various buildings, plastering, indoor decoration, pipelines and electromechanical installation projects.

The invention has scientific and reasonable structural design and good mechanical property, innovatively realizes the separation of the human materials, and effectively reduces the potential safety hazard and the operation interference caused by the eccentric compression of the frame body and the human material mixing; the member connecting nodes are all constructed by rigid welding and bolt hinging, the node performance is good, and the mechanical properties such as bending resistance, shearing resistance, torsion resistance and the like are stable and reliable; the four-leg support of the traditional movable scaffold is improved into a five-pivot support structure, a steel pipe vertical rod and a frame body are added to form a four-point loaded and triangular-supported composite framework system, the load of the materials is decomposed in a balanced manner, the stability of the scaffold when the materials are lifted is further enhanced, and the space structure rigidity and the anti-overturning performance of the scaffold are fully improved.

The components are standardized products, can be made of simple materials on site, can be produced in a factory, saves auxiliary materials for setting up temporary supports, is simple and convenient to install and disassemble, saves the cost of carrying materials manually in a large amount, reduces the labor intensity of workers, simplifies construction procedures, improves the construction efficiency, accelerates the construction progress, and has good practical and popularization values.

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

Claims

1. A movable scaffold is characterized in that: comprises that

The first frame main body (3) comprises at least two groups of bent frames (32) which are arranged in parallel at intervals, the adjacent bent frames (32) are connected through a fixing structure (33), and the middle parts of the bent frames (32) are provided with operation tables (31) which are arranged transversely;

the second frame main body (6) comprises a support column (62) arranged along the vertical direction and a bracket (63) with one side fixedly connected with the bottom of the support column (62) and the other side fixedly connected with the bottom side of the outer side bent frame (32), and the support column (62) is positioned on one side, far away from the adjacent bent frame (32), of the outer side bent frame (32);

the first moving body (5) is positioned at the bottom of the first frame main body (3) and is used for driving the first frame main body (3) to move;

the second moving body (7) is positioned at the bottom of the support column body (62) and is used for driving the second frame main body (6) to move; and

the lifting device (1) comprises a lifter (11) and a lifting platform (13) positioned on the upper portion of the bracket (63), wherein the lifter (11) is connected with the lifting platform (13) and is used for driving the lifting platform (13) to move along the vertical direction.

2. A mobile scaffolding according to claim 1, wherein: the second frame main body (6) further comprises a hanging bracket (61) with one side fixedly connected with the upper part of the supporting column (62) and the other side fixedly connected with the upper side of the outer side of the bent frame (32), the lifter (11) is fixedly arranged on the hanging bracket (61), and the lifter (11) is connected with the lifting platform (13) through a rope (12).

3. A mobile scaffolding according to claim 2, wherein: the lifting platform (13) comprises a frame type supporting frame (131) and a flat plate (132) fixedly arranged on the upper surface of the supporting frame (131), four symmetrically-arranged lifting rings (133) are fixedly arranged on the periphery of the upper surface of the supporting frame (131), and the lifting rings (133) are connected with the rope (12).

4. A mobile scaffolding according to claim 1, wherein: the lifter (11) adopts a winch.

5. A mobile scaffold according to any of claims 1 to 4 wherein: the lifting platform is characterized by further comprising a guide structure (8) connected with the lifting platform (13), wherein the guide structure (8) is used for controlling the lifting platform (13) to vertically move.

6. A mobile scaffold according to claim 5 wherein: the guide structure (8) comprises a guide upright post (62) and a guide sleeve (81) fixedly arranged on the side part of the lifting platform (13), and the guide sleeve (81) is slidably sleeved on the periphery of the guide upright post (62).

7. A mobile scaffold according to claim 6 wherein: the guide upright post (62) adopts the support column body (62) and is a cylinder.

8. A mobile scaffolding according to claim 1, wherein: the first moving body (5) is at least four universal wheels which are uniformly distributed and fixedly arranged at the bottom of the bent frame (32); the second moving body (7) is a universal wheel fixedly arranged at the bottom end of the supporting column body (62).

9. A mobile scaffolding according to claim 1, wherein: the periphery of operation panel (31) is equipped with guard rail (2).

10. A mobile scaffolding according to claim 1, wherein: a ladder (4) is arranged between the end parts of the adjacent bent frames (32).