CN111502215B

CN111502215B - Movable scaffold

Info

Publication number: CN111502215B
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: 2024-10-01
Anticipated expiration: 2040-05-26
Also published as: CN111502215A

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 arranged on the first frame main body; the first frame main body comprises at least two groups of parallel bent frames which are arranged at intervals, adjacent bent frames are connected through a fixed structure, and an operation table which is transversely arranged is arranged in the middle of each bent frame; the second frame main body comprises a supporting column body arranged along the vertical direction and a bracket, one side of the bracket is fixedly connected with the bottom of the supporting column body, and the other side of the bracket is fixedly connected with the bottom side edge 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 supporting column body; the lifting device comprises a lifter and a lifting platform arranged on the upper part of the bracket. The invention can solve the technical problems of poor structural stability, unstable mechanical property and easy rollover of the movable scaffold in the prior art, and achieves the technical effects of stable overall structure of the scaffold and rollover prevention.

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 masonry, interior decoration, installation engineering construction and the like of inner and outer walls of industrial and civil buildings.

Background

The movable scaffold is a movable working platform for building, decorating or pipeline and electromechanical installation construction of industrial and civil building walls, is also various scaffolds erected on construction sites for facilitating the operation of workers and solving the problems of material transportation and storage, and is mainly used for inner and outer walls, interior decoration or parts with high floor height, which cannot be directly constructed, and the like. 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 construction, municipal administration, roads and bridges, advertisement media, and the like.

The conventional movable scaffold for building construction is mainly made of steel pipes or aluminum alloy pipes, and mainly comprises 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 application of the fastener type steel pipe moving scaffold and the door moving scaffold is most common.

In wall body construction, interior decoration and installation construction, the movable scaffold is mostly erected along the indoor wall surface of a building, and the same-layer horizontal movement and the frequent turnover between the upper layer and the lower layer are required to have the performances of portability, flexibility, convenience in assembly and disassembly, firmness, durability and the like. Meanwhile, compared with a common floor type scaffold, the movable scaffold has the following characteristics in working condition:

1. The load variability is larger, the bearing area of the movable scaffold is relatively smaller, the random variable of the load of the born personnel and materials is larger, especially for the buildings with higher floors, and the eccentric load reduces the bearing capacity and the safety performance of the scaffold body.

2. The movable scaffold has the characteristic of flexible movement, so that relatively independent units are required to be formed, rigid connection between the scaffold body and the wall body is often insufficient, the constraint on the scaffold is insufficient, the space structural rigidity and anti-overturning property of the scaffold by the support point of the support frame body are low, and the stability of the fixed foot falling hand frame is difficult to achieve.

The movable scaffold in the prior art lacks of a renewing process and an improvement measure for the working condition characteristics, and cannot effectively ensure the overall structural stability and the safety performance of the scaffold. In addition, the traditional movable scaffold is generally used for vertically transporting materials in a manual carrying or pulley lifting mode, construction is time-consuming and labor-consuming, working efficiency is low, and labor input cost is increased; meanwhile, constructors and material loads are all applied to the scaffold platform to form personnel and material mixing, so that limited scaffold platform space is occupied, eccentric compression load of a scaffold body is increased, and the risk of scaffold safety accidents is caused when the load is evenly distributed beyond the limit of a support.

Disclosure of Invention

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

In order to achieve the above purpose, the invention adopts the following technical scheme: providing a mobile scaffold comprising

The first frame main body comprises at least two groups of bent frames which are arranged in parallel at intervals, wherein adjacent bent frames are connected through a fixed structure, and an operation table which is transversely arranged is arranged in the middle of each bent frame;

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

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

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

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

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

More importantly, the supporting columns of the second frame body are arranged along the vertical direction, the bottom supporting points of the supporting columns and the supporting points of the bottoms of the outer side bent frames are enclosed to form a triangle, and the triangle is more stable in structure; 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 conveying process is avoided, and the stability, reliability and high efficiency of the material conveying process are ensured.

In addition, set up the second mobile body in the bottom of supporting the cylinder, set up first mobile body in the bottom of first frame main part, first mobile body and second mobile body cooperation drive scaffold frame global motion along ground, remove the scaffold frame according to the construction position in the use, it is more convenient, nimble to use.

Further, the second frame body further comprises a hanging frame, one side of the hanging frame is fixedly connected with the upper portion of the supporting column, the other side of the hanging frame is fixedly connected with the upper side edge of the bent frame, the lifter is fixedly arranged on the hanging frame, 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 overhanging ends of the rope and the lifter only move in the vertical moving direction of the lifting platform, the moving range is small, 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 at the upper part, so that the space at the lower part is saved, interference with materials is avoided, and the use is more convenient.

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

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

Further, the lifter adopts a winch.

By adopting the technical scheme, the winch is favorable for being placed on the hanging frame on the upper part, and in addition, the electric winch is adopted to fully meet the requirements because the weight of the material lifted by the scaffold is not large, so that the production cost is favorable for saving.

Further, 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 move vertically.

Through adopting above-mentioned technical scheme, be favorable to controlling the horizontal rocking of lift platform at the in-process of going up and down, make its steady along vertical direction removal, be favorable to improving the security, eliminate the potential safety hazard.

Further, 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 uide bushing and direction stand's sliding fit to play the effect of direction to the removal of hoisting platform, simple structure, connect reliably, avoid hoisting platform to remove the shake problem of process, it is more steady to transport the material.

Further, the guide upright post adopts the support column body and is a cylinder.

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

Further, the first moving body is at least four universal wheels 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 more convenient, nimble, labour saving and time saving reduces intensity of labour.

Further, a protective fence is arranged on the periphery of the operation table.

Through adopting above-mentioned technical scheme, can play the guard action to operating personnel, guarantee the safety of work progress.

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 more convenient, laborsaving.

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

1. The first frame main body mainly used for supporting constructors and providing operators for construction and the second frame main body mainly used for conveying materials are respectively arranged, so that the separation of human materials is realized, and the working efficiency is improved; the bottom supporting points of the supporting columns and the supporting points of the bottoms of the outer bent frames are enclosed to form a triangle, so that the triangle is more stable in structure, the eccentric load of the scaffold is effectively balanced, the bottom support of the second frame main body is more stable and firm, the side turning phenomenon does not occur in the material conveying process, 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, and the first moving body is arranged at the bottom of the first frame body, so that the scaffold can be moved according to the construction position in use, and the scaffold is more convenient and flexible to use.

2. Through setting up the gallows for fixed riser, realize directly promoting the material in vertical direction through the riser, the structure is simpler, and the overhanging end of rope and riser only moves in the vertical direction of movement of lifting platform, and the range of movement is little, avoids taking place to interfere with other objects or structures, and the promotion route is short and the promotion process is more smooth and easy; in addition, the lifter is arranged at the upper part, so that the space at the lower part is saved, interference with materials is avoided, and the use is more convenient.

3. Through add guide structure on lifting platform for control lifting platform transversely rocks at the in-process of going up and down, make its steady along vertical direction removal, be favorable to improving the security, eliminate the potential safety hazard.

Drawings

Fig. 1 is a schematic structural view of a mobile scaffold according to 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 view of the structure of the bent in FIG. 1;

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

FIG. 6 is a schematic view of the lifting platform of FIG. 1;

fig. 7 is a schematic view of an exploded construction 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, rings, 2, protective fence, 3, first frame main body, 31, operation panel, 311, bearing frame, 312, wire mesh panel, 313, fixed hook, 32, bent frame, 321, pole setting, 322, angle steel, 33, fixed structure, 4, cat ladder, 5, first moving body, 6, second frame main body, 61, hanger, 62, support cylinder, 63, bracket, 631, bracket connecting rod, 632, bracket supporting rod, 633, connecting bolt, 7, second moving body, 8, guide structure, 81, guide sleeve.

Detailed Description

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

Referring to fig. 1-5, the movable scaffold of the present invention includes a first frame body 3, a second frame body 6, a first movable body 5, a second movable body 7, and a lifting device 1; the first frame main body 3 comprises at least two groups of parallel and spaced bent frames 32, two groups of parallel bent frames 32 are preferably arranged face to face, the bent frames 32 are H-shaped, each bent frame 32 comprises two parallel and spaced vertical rods 321, each vertical rod 321 is made of steel pipes with phi 48 multiplied by 3.5mm, the vertical rods 321 are integrally connected through a plurality of angle steel 322 in a pulling mode, each vertical rod 321 is fixed with each angle steel 322 through bolts, adjacent bent frames 32 are connected through a fixing structure 33, each fixing structure 33 comprises steel pipes with phi 38 multiplied by 3mm, two ends of each steel pipe are welded and fixed with the corresponding vertical rod 321 respectively, two ends of each steel pipe are fixedly connected with the corresponding vertical rod 321 through bolts, each pull rod adopts a connecting screw with M12mm, an operating table 31 is arranged in the middle of each bent frame 32 in a transverse mode, the table top of each operating table 31 is horizontally arranged and mainly used for supporting operators, and each operating table 31 and bent frame 32 are fixed through fixing hooks 313; the second frame body 6 includes a supporting column 62 disposed along a vertical direction and a bracket 63 having one side fixedly connected to a bottom of the supporting column 62 and the other side fixedly connected to a bottom side of the outer bent 32, the supporting column 62 being located at a side of the outer bent 32 away from the adjacent bent 32, as shown in fig. 5, the bracket 63 being surrounded by a bracket connecting rod 631 and two symmetrically disposed bracket supporting rods 632 to form an isosceles triangle shape, the two bracket supporting rods 632 being detachably connected by a connecting bolt 633, the bracket connecting rod 631 being fixed to the bent 32 along a bottom side of the bent 32, the bracket connecting rod 631 and the bracket supporting rod 632 being both formed by surrounding with angle steel of 50×50×5mm, an upper portion of a vertex of isosceles confluence being connected to the supporting column 62 by a bolt, the supporting column 62 being made of steel pipes of phi 48×3.5 mm; the first moving body 5 is located at the bottom of the first frame body 3, specifically, the first moving body 5 is fixedly connected with the bottom ends of the four upright posts 321 respectively, and the first moving body 5 is used for driving the first frame body 3 to move along the ground; the second moving body 7 is located at the bottom of the supporting column 62 and is used for driving the second frame body 6 to move along the ground, and it should be noted that the first moving body 5 and the second moving body 7 need to cooperate to make the scaffold move entirely along the ground; the lifting device 1 comprises a lifter 11 and a lifting platform 13 arranged on the upper part of a bracket 63, wherein the bracket 63 is only used for supporting the lifting platform 13 when the bottom is filled, the bracket 63 and the supporting lifting platform 13 are not fixedly connected, and 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.

The implementation principle of the embodiment is as follows: through setting up first frame main part 3 and second frame main part 6 respectively, support operating personnel through the operation panel 31 of first frame main part 3 for operating personnel stands on operation panel 31 and builds, support lift platform 13 through the bracket 63 of second frame main part 6, make the material go up and down through lift platform 13, realized people material separation through setting up the frame main part alone, improved work efficiency; more importantly, the supporting column 62 of the second frame main body 6 is arranged along the vertical direction, the bottom supporting point of the supporting column 62 and the supporting point of the bottom of the outer bent 32 are enclosed to form a triangle, the triangle is more stable in structure, and as shown in the reference to fig. 1-2, the bottom supporting point of the supporting column 62 and four supporting points of the bottom of the bent 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 rollover phenomenon does not occur in the material conveying process, and the stability, reliability and high efficiency of the material conveying process are ensured; in addition, set up the second mobile body 7 in the bottom of support cylinder 62, set up first mobile body 5 in the bottom of first frame main part 3, first mobile body 5 and second mobile body 7 cooperate and drive the scaffold frame overall 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: first, an operator pushes the scaffold to move integrally to a position to be constructed, and the operator climbs the operation table 31 of the first frame body 3; when the material does not need to be conveyed, the lifting platform 13 is kept on the bracket 63, and the lifter 11 does not work; when the material is conveyed, firstly, the material is placed on a lifting platform 13, then a lifter 11 is started, the lifter 11 drives the lifting platform 13 to load the material to move upwards along the vertical direction, and after the material is conveyed to a preset height, the lifter 11 is closed; finally, after the materials are used, 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 effects of this embodiment are: the embodiment is always arranged on the lifting platform 13 in the vertical material transportation process, does not occupy the limited space of the operation table 31 of the scaffold, realizes the separation of human materials, simultaneously expands the movable range of constructors (operators) on the scaffold, avoids the space limitation and operation interference of human materials mixing or the safety accidents that the constructors are scraped and stumbled by materials on the scaffold, and more importantly, adopts a triangular structure to form a five-point supporting system, effectively reduces the potential safety hazard caused by eccentric compression of the frame main body, and achieves the technical effects of stable overall structure of the scaffold and side turning avoidance.

Referring to fig. 1-2, as a specific embodiment of the movable scaffold provided by the present invention, the second frame body 6 further includes a hanger 61, one side of which is fixedly connected to the upper portion of the supporting column 62, and the other side of which is fixedly connected to the upper side of the outer bent 32, and 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: through arranging the hanging frame 61 on the upper part between the supporting column 62 and the bent 32, arranging the lifter 11 on the hanging frame 61, connecting one end of the rope 12 with the periphery of the lifting platform 13, connecting the other end of the rope 12 with the hanging hook of the overhanging end of the lifter 11, realizing that the material is directly lifted in the vertical direction through the lifter 11, the structure is simpler, and the overhanging ends of the rope 12 and the lifter 11 only move in the vertical moving direction of the lifting platform 13, the moving range is small, 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 at the upper part, so that the space at the lower part is saved, interference with materials is avoided, and the use is more convenient.

Referring to fig. 1 and 6, as a specific embodiment of a movable scaffold provided by the present invention, a 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 with a rope 12.

Specifically, referring to fig. 6, the supporting frame 131 is made of 3 pieces of 1400mm long angle steel with the specification of 50×50×5mm, two ends and the middle of the three pieces of angle steel are vertically welded and connected through short angle steel, and the supporting frame 131 is welded according to the drawing size; the upper surface of the supporting frame 131 is covered with a flat plate 132 with the size of 1.2mx0.6m and the thickness of 20mm, the flat plate 132 adopts a bamboo plywood as a tray for loading materials, which is beneficial to protecting the materials, and the self-tapping self-drilling dovetail nails with the size of M4×20mm are used for anchoring with the lifting supporting frame 131, and the distance between the anchoring nails is 200mm; four lifting rings 133 are respectively screwed or welded at four positions at the front end and the rear end of the outer side angle steel of the supporting frame 131, and the lifting rings 133 are annular bolt lifting rings. In addition, a steel pipe with the length of 100mm and the size DN80 is welded at the center of the angle steel frame at one side, and the steel pipe is the guide sleeve 81 in the guide structure 8.

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

Referring to fig. 1, as an embodiment of a movable scaffold provided by the present invention, a hoist is used as a lifter 11; the winch adopts an electric winch, and has the advantages of simple operation, large rope winding quantity and convenient displacement.

The hoist 11 of the present embodiment adopts a hoist which is a light and small-sized hoisting device, and is advantageous to be placed on the hanger 61 on the upper portion because of its light weight, and in addition, the hoist is sufficiently satisfied by an electric hoist because the weight of the material lifted by the scaffold is not large, and thus, the production cost is advantageously saved.

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

In this embodiment, the lifting material is connected with rope 12 through the hoist engine, and then pulls lifting platform 13 and is loaded the material and reciprocate, because at lifting platform 13 in-process that goes up and down, there is the phenomenon of rocking, there is the potential safety hazard, consequently, through add guide structure 8 on lifting platform 13 for control lifting platform 13 transversely rocks at lifting in-process, make its steady along vertical direction remove, be favorable to improving the security, eliminate the potential safety hazard.

Referring to fig. 1,2 and 6, as a specific embodiment of a movable scaffold provided by the present invention, the guiding structure 8 includes a guiding upright post and a guiding sleeve 81 fixedly arranged at a side portion of the lifting platform 13, the guiding sleeve 81 is slidably sleeved on an outer periphery of the guiding upright post, the guiding upright post is made of a steel pipe with phi 48×3.5mm, and the guiding sleeve 81 is made of a steel pipe with a length of 100mm and a dimension DN 80.

It should be further noted that, in this embodiment, the supporting column 62 is adopted as the guiding column, the supporting column and the supporting column 62 adopt a shared integrated structure, the supporting column 62 plays a supporting role in the second frame body 6 and plays a guiding role in the guiding structure 8, the structural members are saved, the production cost is saved, and the structure is more compact.

Of course, the guide posts and the support posts 62 may be separately disposed, and only the guide posts may be disposed along the vertical direction, that is, along the moving direction of the lifting platform 13, and the bottom ends of the guide posts may be disposed on the bracket 63, so as to achieve the guiding function on the lifting platform 13.

The sliding fit of the guide sleeve 81 and the guide upright post is adopted in the embodiment, so that the guide function is realized on the movement of the lifting platform 13, the structure is simple, the connection is reliable, the shaking problem in the movement process of the lifting platform 13 is avoided, and the material conveying is more stable.

Referring to fig. 1-3, as a specific embodiment of a movable scaffold provided by the present invention, the first moving body 5 is at least four universal wheels uniformly distributed and fixedly arranged at the bottom of the bent 32; the second moving body 7 is a universal wheel fixedly arranged at the bottom end of the supporting column 62; further, the universal wheels are provided with brake structures, so that the scaffold is stably positioned integrally, the scaffold is prevented from shifting during construction, and the construction safety is ensured.

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

Specifically, the use process of the embodiment is that when one construction position is used and a scaffold needs to be transferred, the brake of the castor (universal wheel) can be released in the same floor, and the universal wheel is directly utilized to move to the next construction position; to the transfer between the upper and lower layers, can pass the platform department of unloading to this floor, utilize the whole handling of tower crane to other floors, need not frequently dismantle can reach the people material separation, improve work efficiency.

Referring to fig. 1 and 2 together, as a specific embodiment of a movable scaffold provided by the present invention, a protective fence 2 is provided on the outer periphery of an operation table 31; referring to fig. 7, the console 31 includes a supporting frame 311 disposed at the bottom for supporting, a screen panel 312 disposed on the upper surface of the supporting frame 311, and a fixing hook 313 disposed at the side of the supporting frame 311, wherein the fixing hook 313 is capable of being turned over and fastened, the supporting frame 311 and the screen panel 312 are welded and then fixed on the bent 32 by the fixing hook 313, and the supporting frame 311 is formed into a rectangular frame by square steel; the protective fence 2 is formed by welding angle steel, the protective fence 2 is in a three-surface surrounding mode, one side of the protective fence facing the construction surface is provided with an opening, and the other three side surfaces are fixed on the upright rod 321 on the upper portion of the bent 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. 1-3, as a specific embodiment of the movable scaffold provided by the present invention, a ladder stand 4 is disposed between the ends of adjacent bent frames 32, so as to facilitate an operator to reach the operating platform 31 through the ladder stand 4.

Specifically, cat ladder 4 includes two at least vertical parallel interval setting's handrail body of rod and a plurality of perpendicular welded ladder pole with the handrail body of rod, and interval arrangement between the ladder pole, handrail body of rod and ladder pole adopt the steel pipe preparation.

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

As a specific embodiment of the movable scaffold provided by the invention, a limit structure is further arranged on the guide upright post, and the limit structure is positioned in a range from a position flush with the operation table 31 to a position higher than the operation table 31 by one meter five; the limit structure is a protruding block welded on the outer surface of the guide post, and when the operation table 31 moves up to the highest position, the upper surface of the guide sleeve 81 abuts against the lower surface of the protruding block.

The embodiment can avoid inconvenient material taking of operators caused by overhigh position of the operating table 31, and can avoid danger caused by overhigh material, so that the operation is more convenient and safer.

As a specific implementation mode of the movable scaffold, the bottom of the lifting platform 13 is also provided with the overload alarm, so that an alarm function can be realized when excessive materials and overweight on the lifting platform 13 occur, the side turning of the scaffold caused by the overweight of the lifting materials is prevented, and a safety protection function is realized.

In summary, the invention 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 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 various building inner and outer wall masonry, plastering, interior decoration, pipelines and electromechanical installation engineering.

The invention has scientific and reasonable structural design and good mechanical property, innovatively realizes the separation of human materials, and effectively reduces the potential safety hazard and operation interference caused by eccentric compression of the frame body and human material mixing; the component connecting nodes are all in rigid welding and bolt hinging structures, so that the node has good performance, and the bending resistance, shearing resistance, torsion resistance and other mechanical performances are stable and reliable; the traditional movable scaffold four-foot support 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 support composite framework system, the artificial material load is balanced and decomposed, meanwhile, the stability of the scaffold when the scaffold lifts materials is further enhanced, and the space structural rigidity and 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 erecting temporary supports, is simple and convenient to install and disassemble, saves the cost of carrying materials by a large amount of manpower, reduces the labor intensity of workers, simplifies the construction process, improves the construction efficiency, accelerates the construction progress, and has good practical and popularization values.

The embodiments of the present invention are all preferred embodiments of the present invention, and are not intended to limit the scope of the present invention in this way, therefore: all equivalent changes in structure, shape and principle of the invention should be covered in the scope of protection of the invention.

Claims

1. A mobile scaffold, characterized in that: comprising

The first frame body (3) comprises at least two groups of bent frames (32) which are arranged in parallel at intervals, wherein adjacent bent frames (32) are connected through a fixing structure (33), and an operation table (31) which is transversely arranged is arranged in the middle of each bent frame (32);

The second frame main body (6) comprises a supporting column body (62) arranged along the vertical direction and a bracket (63) with one side fixedly connected with the bottom of the supporting column body (62) and the other side fixedly connected with the bottom side edge of the outer side bent frame (32), and the supporting column body (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 supporting column body (62) and is used for driving the second frame main body (6) to move; and

Lifting device (1), including riser (11) and be located lifting platform (13) on bracket (63) upper portion, riser (11) with lifting platform (13) are connected and are used for driving lifting platform (13) are along vertical direction removal.

2. A mobile scaffolding according to claim 1, wherein: the second frame main body (6) further comprises a hanging frame (61) with one side fixedly connected with the upper part of the supporting column body (62) and the other side fixedly connected with the upper side edge of the bent frame (32) on the outer side, the lifter (11) is fixedly arranged on the hanging frame (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 lifting rings (133) which are symmetrically arranged are fixedly arranged on the periphery of the upper surface of the supporting frame (131), and the lifting rings (133) are connected with the ropes (12).

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

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

6. The mobile scaffolding as claimed in claim 5, wherein: the guide structure (8) comprises a guide upright post and a guide sleeve (81) fixedly arranged on the side part of the lifting platform (13), and the guide sleeve (81) is sleeved on the periphery of the guide upright post in a sliding manner.

7. The mobile scaffolding as claimed in claim 6 wherein: the guide upright post adopts the supporting 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 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 the operation table (31) is provided with a protective fence (2).

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