阅读说明：本技术 一种自调节脚手架 (Self-adjusting scaffold ) 是由 李焕冬 于 2020-12-21 设计创作，主要内容包括：本发明属于建筑工具技术领域,具体的说是一种自调节脚手架,包括限位环,立柱,铰接架,支撑架,安装块,伸缩杆和抓地机构；所述立柱设有四根,立柱之间呈互相对称垂直设置,前后两根立柱之间通过铰接架进行连接,立柱的前后外表面设有限位环；所述限位环呈圆形,限位环的左右两侧内壁固定连接有滑杆,限位环的外表面对称固定安装有安装块；当受到斜坡的坡度影响,立柱会处于不同水平面,而限位环两端固定连接的滑杆导致限位环无法发生转动,即立柱受坡度影响上下滑动时实际上时沿着滑杆做上下垂直滑动,并且可以通过坡度的不同实现自我调节,使得立柱的下端始终与地面接触,省去了人工搭建脚手架的烦恼,大幅加快工程进度。(The invention belongs to the technical field of construction tools, and particularly relates to a self-adjusting scaffold which comprises a limiting ring, an upright post, a hinged frame, a supporting frame, an installation block, a telescopic rod and a ground grabbing mechanism, wherein the limiting ring is arranged on the upright post; four upright columns are arranged, the upright columns are symmetrically and vertically arranged, the front upright column and the rear upright column are connected through a hinge frame, and the front outer surface and the rear outer surface of each upright column are provided with limiting rings; the limiting ring is circular, sliding rods are fixedly connected to the inner walls of the left side and the right side of the limiting ring, and mounting blocks are symmetrically and fixedly mounted on the outer surface of the limiting ring; when receiving the slope influence on slope, the stand can be in different horizontal planes, and spacing ring both ends fixed connection's slide bar leads to the unable emergence rotation of spacing ring, and vertical slip about the stand is done along the slide bar when in fact sliding from top to bottom influenced by the slope promptly to can realize the self-regulation through the difference of slope, make the lower extreme of stand contact with ground all the time, saved the trouble of artifical scaffold frame of putting up, accelerate the engineering progress by a wide margin.)

1. A self-adjusting scaffold comprises a limiting ring (1), a stand column (2), a hinged frame (3), a supporting frame (4), a mounting block (5), a telescopic rod (6) and a ground grabbing mechanism (7); the method is characterized in that: four upright posts (2) are arranged, the upright posts (2) are symmetrically and vertically arranged, the front upright post and the rear upright post (2) are connected through a hinge frame (3), and the front outer surface and the rear outer surface of each upright post (2) are provided with limiting rings (1); the limiting ring (1) is circular, sliding rods (11) are fixedly connected to the inner walls of the left side and the right side of the limiting ring (1), and mounting blocks (5) are symmetrically and fixedly mounted on the outer surface of the limiting ring (1); the inner end of the sliding rod (11) is connected in the outer wall of the upright post (2) in a vertically sliding manner; eight mounting blocks (5) are arranged, four mounting blocks (5) are arranged in one group, each group of mounting blocks (5) are connected through a support frame (4), and a telescopic rod (6) is fixedly connected in the inner side wall of each mounting block (5); the supporting frame (4) is arranged to be in a cross shape; the other end of the telescopic rod (6) is fixedly connected to the inner wall of the mounting block (5) on the rear end limiting ring (1).

2. A self-adjusting scaffold according to claim 1 wherein: a ground grabbing mechanism (7) is arranged on the lower side of the upright post (2); the ground grabbing mechanism (7) comprises a hinge ring (71), an extrusion rod (72), a stress rod (73) and an arc-shaped plate (74); the hinged ring (71) is hinged at the lower end of the upright post (2), and the lower end of the hinged ring (71) is fixedly connected with an extrusion rod (72); the lower end of the extrusion rod (72) is fixedly connected to the upper surface of the middle part of the arc-shaped plate (74); the radian of the arc-shaped plate (74) is set to be one hundred eighty degrees, the arc-shaped plate (74) is made of memory metal materials, the outer surface of the arc-shaped plate (74) is set to be a strong friction surface, and two ends of the upper surface of the arc-shaped plate (74) are symmetrically hinged with stress rods (73); the upper end of the stress rod (73) is hinged at the two ends of the lower surface of the hinge ring (71).

3. A self-adjusting scaffold according to claim 2 wherein: ground drills (75) are uniformly arranged in the lower wall of the arc-shaped plate (74); the middle part of the ground drill (75) is arranged into two sections through a push rod (76), the upper section of the ground drill (75) is fixedly connected in the wall of the arc-shaped plate (74), and the lower end of the ground drill (75) is connected in the outer wall of the arc-shaped plate (74) in a sliding manner; the inner cavity of the push rod (76) is communicated with the inner cavity of the extrusion rod (72).

4. A self-adjusting scaffold according to claim 3 wherein: the corrugated pipe (77) is fixedly connected to the joint of the two sections of the ground auger (75); the corrugated pipe (77) is made of elastic rubber materials, and filling bags (78) are arranged at two ends of the corrugated pipe (77); the filling bags (78) are uniformly and fixedly arranged in the wall of the arc-shaped plate (74), the interior of each filling bag (78) is filled with non-Newtonian fluid, and the plate wall of the arc-shaped plate (74) on the lower side of each filling bag (78) is thin.

5. A self-adjusting scaffold according to claim 4 wherein: pressure cavities (79) are uniformly arranged on the inner side of the filling bag (78); the pressure cavity (79) is uniformly arranged in the wall of the arc-shaped plate (74) in an annular shape, the cross section of the pressure cavity (79) is triangular, and the inner cavity of the pressure cavity (79) is communicated with the inner cavity of the corrugated pipe (77).

6. A self-adjusting scaffold according to claim 1 wherein: the outer surface of the sliding rod (11) is fixedly sleeved with a resistance ring (12); the resistance ring (12) is made of hard metal materials, and a pressure groove (13) is formed in the wall of the resistance ring (12); a push rod (14) is connected to the inside of the pressure groove (13) in a sliding manner, and the pressure groove (13) is communicated with a cavity inside the stress rod (73); the outer end of the push rod (14) is fixedly connected to the inner surface of the resistance sheet (15); the resistance sheet (15) is arc-shaped, the outer surface of the resistance sheet (15) is a friction surface, and the resistance sheet (15) is a memory metal sheet; the surface in the wall of the upright post (2) is set as a friction surface.

Technical Field

The invention belongs to the technical field of construction tools, and particularly relates to a self-adjusting scaffold.

Background

The scaffold is a working platform which is erected for ensuring that each construction process is smoothly carried out. The scaffold is divided into an outer scaffold and an inner scaffold according to the erected positions; the scaffold can be divided into a wood scaffold, a bamboo scaffold and a steel pipe scaffold according to different materials; the scaffold is divided into a vertical rod type scaffold, a bridge type scaffold, a door type scaffold, a suspension type scaffold, a hanging type scaffold, a lifting type scaffold and a climbing type scaffold according to the structural form.

To the building trade, the steel pipe scaffold that uses usually, and to some buildings of establishing on the slope, if need maintain it, because the angle that it was located is different with horizontal ground, the installation of scaffold is carried out according to its slope on-the-spot usually need, will cause the waste of a large amount of manpower and materials like this, simultaneously because can't accurately know the slope, installer is the installation of carrying out the scaffold of artifical estimation usually, make the scaffold of installation completion have great potential safety hazard, the scaffold collapses when easily leading to people to stand on it and construct.

Disclosure of Invention

In order to make up for the defects of the prior art, the invention provides a self-adjusting scaffold. The invention is mainly used for

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a self-adjusting scaffold which comprises a limiting ring, a stand column, a hinged frame, a supporting frame, an installation block, a telescopic rod and a ground grabbing mechanism, wherein the limiting ring is arranged on the stand column; four upright columns are arranged, the upright columns are symmetrically and vertically arranged, the front upright column and the rear upright column are connected through a hinge frame, and the front outer surface and the rear outer surface of each upright column are provided with limiting rings; the limiting ring is circular, sliding rods are fixedly connected to the inner walls of the left side and the right side of the limiting ring, and mounting blocks are symmetrically and fixedly mounted on the outer surface of the limiting ring; the inner end of the sliding rod is connected in the outer wall of the upright post in a vertical sliding manner; eight mounting blocks are arranged, four mounting blocks are arranged in one group, each group of mounting blocks are connected through a support frame, and telescopic rods are fixedly connected in the inner side walls of the mounting blocks; the supporting frame is arranged in a cross shape; the other end of the telescopic rod is fixedly connected to the inner wall of the mounting block on the rear end limiting ring.

A ground grabbing mechanism is arranged on the lower side of the upright post; the ground grabbing mechanism comprises a hinge ring, an extrusion rod, a stress rod and an arc-shaped plate; the hinged ring is hinged to the lower end of the upright post, and the lower end of the hinged ring is fixedly connected with the extrusion rod; the lower end of the extrusion rod is fixedly connected to the upper surface of the middle part of the arc-shaped plate; the radian of the arc plate is set to be one hundred eighty degrees, the arc plate is made of memory metal materials, the outer surface of the arc plate is set to be a strong friction surface, and two ends of the upper surface of the arc plate are symmetrically hinged with stress rods; the upper end of the stress rod is hinged to the two ends of the lower surface of the hinged ring.

Ground drills are uniformly arranged in the lower wall of the arc-shaped plate; the middle part of the ground drill is provided with two sections through a push rod, the upper section of the ground drill is fixedly connected in the wall of the arc-shaped plate, and the lower end of the ground drill is connected in the outer wall of the arc-shaped plate in a sliding manner; the inner cavity of the push rod is communicated with the inner cavity of the extrusion rod.

The corrugated pipe is fixedly connected to the joint of the two sections of the ground auger; the corrugated pipe is made of elastic rubber materials, and filling bags are arranged at two ends of the corrugated pipe; the filling bags are uniformly and fixedly installed in the wall of the arc-shaped plate, the non-Newtonian fluid is filled in the filling bags, and the wall of the arc-shaped plate on the lower side of the filling bags is thinner.

The inner side of the filling bag is uniformly provided with pressure cavities; the pressure cavity is annularly and uniformly arranged in the wall of the arc-shaped plate, the cross section of the pressure cavity is triangular, and the inner cavity of the pressure cavity is communicated with the inner cavity of the corrugated pipe.

The outer surface of the sliding rod is fixedly sleeved with a resistance ring; the resistance ring is made of hard metal material, and a pressure groove is formed in the wall of the resistance ring; the interior of the pressure groove is connected with a push rod in a sliding manner, and the pressure groove is communicated with the inner cavity of the stress rod; the outer end of the push rod is fixedly connected to the inner surface of the resistance sheet; the resistance sheet is arranged into an arc shape, the outer surface of the resistance sheet is arranged into a friction surface, and the resistance sheet is arranged into a memory metal sheet; the surface in the wall of the upright column is set as a friction surface; when the scaffold is used, the scaffold can be freely placed on a slope, when the scaffold is influenced by the slope of the slope, the stand columns can be positioned on different horizontal planes, the slide rods fixedly connected with the two ends of the limit ring can prevent the limit ring from rotating, namely, when the stand columns slide up and down under the influence of the slope, the stand columns can actually slide up and down vertically along the slide rods, self-regulation can be realized through the difference of the slope, the lower ends of the stand columns are always in contact with the ground, the trouble of manually building the scaffold is saved, the engineering progress is greatly accelerated, after the stand columns are adjusted, construction personnel can construct through the scaffold, when the construction personnel climb on the hinged frame on the scaffold, the self gravity is given to the stand columns, so that the downward force of the stand columns is increased, namely, the stand columns are extruded to the arc-shaped plates through the stress rods, the arc-shaped plates rotate firstly, and stop rotating to a certain, the friction plate on the outer surface of the curved plate is in friction contact with the ground, so that the friction force between the friction plate and the ground is increased, the inner end of the curved plate can move inwards when the curved plate is subjected to extrusion force, the extrusion rod on the inner surface of the curved plate can be extruded, the extrusion rod can start to shrink, the internal air pressure of the extrusion rod can be injected into the push rod when the extrusion rod begins to shrink, so that the lower section of the ground auger can protrude towards the ground, the ground gripping force of the curved plate is greatly improved, the stability of the scaffold during working is greatly improved, sufficient safety guarantee is provided for workers, the workers can move frequently when the workers are on the scaffold, namely the workers can intermittently extrude the curved plate through the stand column during construction, so that the ground auger can protrude towards the ground discontinuously, the scaffold is more stable for a longer working time, and the corrugated pipe can be extruded discontinuously when the ground auger protrudes towards the ground, thereby make the inside atmospheric pressure of bellows be in the change condition, and time spent little, can extrude the packing bag at its both ends when bellows internal gas pressure increases, disperse out partly atmospheric pressure simultaneously and pour into pressure chamber, make the both ends of packing bag and top all receive discontinuous instantaneous extrusion force, thereby make its inside non-Newton fluid solidification, and then the packing bag during operation embodies a planar solidification bag, thereby convert the face into by the point when making the arc and ground contact, improve the area of contact between arc and the ground by a wide margin, the land fertility of grabbing of arc has been increased by a wide margin promptly, and mutually support with the ground auger, maximize the friction of arc and ground, scaffold work's stability not only can fully be guaranteed, still can provide sufficient safety for the constructor simultaneously, ensure the normal safe operation of construction.

The invention has the following beneficial effects:

1. when the vertical column is influenced by the gradient of the slope, the vertical column can be positioned on different horizontal planes, the sliding rods fixedly connected with the two ends of the limiting ring can prevent the limiting ring from rotating, namely, the vertical column vertically slides along the sliding rods when vertically sliding under the influence of the gradient, and self-adjustment can be realized through the difference of the gradient, so that the lower end of the vertical column is always in contact with the ground, the trouble of manually building a scaffold is saved, the engineering progress is greatly accelerated, after the vertical column is adjusted, a constructor can construct through the scaffold, when the constructor climbs a hinged frame on the scaffold, the self gravity can be given to the vertical column, the downward force of the vertical column is increased, namely, the arc-shaped plate is extruded through the stress rod, the arc-shaped plate rotates firstly, stops rotating when rotating to a certain degree, and is in friction contact with the ground through a friction plate on the outer surface of the arc-shaped plate, make the frictional force increase of friction disc and ground, still make its inner motion that can take place the indent when the arc receives the extrusion force simultaneously, thereby can extrude the stripper bar of its internal surface, make the stripper bar begin to shrink, can pour into the push rod with its inside atmospheric pressure when the stripper bar begins to shrink, thereby make the hypomere of ground auger toward ground well spur, and then improve the land fertility of grabbing of arc by a wide margin, and then improve scaffold work's stability by a wide margin, and provide abundant safety guarantee for the staff.

2. When constructors construct, the constructors can discontinuously generate extrusion force on the arc-shaped plates through the stand columns, so that the ground auger can discontinuously protrude towards the ground, the working time is longer, the scaffold is more stable, meanwhile, the ground auger can discontinuously extrude the corrugated pipe when protruding towards the ground, the air pressure inside the corrugated pipe is in a change state and is small in time, when the air pressure in the corrugated pipe is increased, the filling bags at two ends of the corrugated pipe can be extruded, meanwhile, a part of air pressure is dispersed and injected into the pressure cavity, so that the two ends and the upper part of the filling bags are subjected to discontinuous instantaneous extrusion force, the non-Newtonian fluid inside the filling bags is solidified, the filling bags are embodied into a plane solidification bag when working, the arc-shaped plates are converted into planes from points when contacting with the ground, and the contact area between the arc-shaped plates and the ground is greatly increased, the ground grabbing force of the arc-shaped plate is greatly increased, the arc-shaped plate is matched with a ground drill, the friction between the arc-shaped plate and the ground is maximized, the working stability of the scaffold can be fully guaranteed, meanwhile, enough safety can be provided for constructors, and the normal safe operation of construction is guaranteed.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is a schematic structural view of the ground engaging mechanism of the present invention;

FIG. 4 is an enlarged view of a portion of the invention at A in FIG. 1;

in the figure: the device comprises a limiting ring 1, a sliding rod 11, a resistance ring 12, a pressure groove 13, a push rod 14, a resistance sheet 15, a stand column 2, a hinged frame 3, a supporting frame 4, a mounting block 5, a telescopic rod 6, a ground grabbing mechanism 7, a hinged ring 71, an extrusion rod 72, a stress rod 73, an arc-shaped plate 74, a ground auger 75, a push rod 76, a corrugated pipe 77, a filling bag 78 and a pressure chamber 79.

Detailed Description

A self-adjusting scaffolding according to an embodiment of the present invention will be described below with reference to fig. 1 to 4.

As shown in fig. 1-4, the self-adjusting scaffold of the present invention comprises a limiting ring 1, a vertical column 2, a hinge frame 3, a supporting frame 4, a mounting block 5, a telescopic rod 6 and a ground grabbing mechanism 7; four upright columns 2 are arranged, the upright columns 2 are symmetrically and vertically arranged, the front upright column 2 and the rear upright column 2 are connected through a hinge frame 3, and limiting rings 1 are arranged on the front outer surface and the rear outer surface of each upright column 2; the limiting ring 1 is circular, sliding rods 11 are fixedly connected to the inner walls of the left side and the right side of the limiting ring 1, and mounting blocks 5 are symmetrically and fixedly mounted on the outer surface of the limiting ring 1; the inner end of the slide bar 11 is connected in the outer wall of the upright post 2 in a vertical sliding manner; eight mounting blocks 5 are arranged, four mounting blocks 5 are arranged in one group, each group of mounting blocks 5 are connected through a support frame 4, and an expansion link 6 is fixedly connected in the inner side wall of each mounting block 5; the support frame 4 is arranged in a cross shape; the other end of the telescopic rod 6 is fixedly connected to the inner wall of the mounting block 5 on the rear end limiting ring 1.

A ground grabbing mechanism 7 is arranged on the lower side of the upright post 2; the ground grabbing mechanism 7 comprises a hinge ring 71, an extrusion rod 72, a stress rod 73 and an arc-shaped plate 74; the hinged ring 71 is hinged at the lower end of the upright post 2, and the lower end of the hinged ring 71 is fixedly connected with an extrusion rod 72; the lower end of the extrusion rod 72 is fixedly connected to the upper surface of the middle part of the arc-shaped plate 74; the radian of the arc-shaped plate 74 is set to be one hundred eighty degrees, the arc-shaped plate 74 is made of memory metal materials, the outer surface of the arc-shaped plate 74 is set to be a strong friction surface, and two ends of the upper surface of the arc-shaped plate 74 are symmetrically hinged with stress rods 73; the upper end of the force-bearing rod 73 is hinged to both ends of the lower surface of the hinge ring 71.

The lower wall of the arc-shaped plate 74 is uniformly provided with ground drills 75; the middle part of the ground auger 75 is provided with two sections through a push rod 76, the upper section of the ground auger 75 is fixedly connected in the wall of the arc-shaped plate 74, and the lower end of the ground auger 75 is connected in the outer wall of the arc-shaped plate 74 in a sliding manner; the interior cavity of the push rod 76 communicates with the interior cavity of the squeeze rod 72.

The corrugated pipe 77 is fixedly connected to the joint of the two sections of the ground auger 75; the corrugated pipe 77 is made of elastic rubber material, and filling bags 78 are arranged at two ends of the corrugated pipe 77; the filling bag 78 is uniformly and fixedly arranged in the wall of the arc-shaped plate 74, the interior of the filling bag 78 is filled with non-Newtonian fluid, and the wall of the arc-shaped plate 74 at the lower side of the filling bag 78 is thinner.

Pressure cavities 79 are uniformly arranged on the inner side of the filling bag 78; the pressure chambers 79 are uniformly arranged in the wall of the arc-shaped plate 74 in a ring shape, the cross section of each pressure chamber 79 is triangular, and the inner cavities of the pressure chambers 79 are communicated with the inner cavity of the corrugated pipe 77.

The outer surface of the sliding rod 11 is fixedly sleeved with a resistance ring 12; the resistance ring 12 is made of hard metal material, and a pressure groove 13 is arranged in the wall of the resistance ring 12; a push rod 14 is connected inside the pressure groove 13 in a sliding manner, and the pressure groove 13 is communicated with the inner cavity of the stress rod 73; the outer end of the push rod 14 is fixedly connected with the inner surface of the resistance sheet 15; the resistance sheet 15 is arc-shaped, the outer surface of the resistance sheet 15 is a friction surface, and the resistance sheet 15 is a memory metal sheet; the surface in the wall of the upright post 2 is set as a friction surface; when the scaffold is used, the scaffold can be freely placed on a slope and is influenced by the slope of the slope, the stand column 2 can be positioned at different horizontal planes, the slide rod 11 fixedly connected with the two ends of the limit ring 1 can prevent the limit ring 1 from rotating, namely, the stand column 2 can vertically slide along the slide rod 11 when vertically sliding under the influence of the slope, self-adjustment can be realized through the difference of the slope, so that the lower end of the stand column 2 is always contacted with the ground, the trouble of manually building the scaffold is saved, the engineering progress is greatly accelerated, after the position of the stand column 2 is adjusted, a constructor can construct through the scaffold, when the constructor gets on the hinged frame 3 on the scaffold, the self gravity can be given to the stand column 2, the downward force of the stand column 2 is increased, namely, the stand column starts to extrude the arc-shaped plate 74 through the stress rod 73, so that the arc-shaped plate 74 rotates firstly, when the scaffold is rotated to a certain degree, the scaffold stops rotating, and is in frictional contact with the ground through the friction plate on the outer surface of the scaffold, so that the friction force between the friction plate and the ground is increased, meanwhile, when the arc-shaped plate 74 is subjected to extrusion force, the inner end of the arc-shaped plate can move inwards, so that the extrusion rod 72 on the inner surface of the arc-shaped plate can be extruded, the extrusion rod 72 can start to shrink, when the extrusion rod 72 starts to shrink, the internal air pressure of the extrusion rod can be injected into the push rod 76, so that the lower section of the ground auger 75 can protrude towards the ground, the ground gripping force of the arc-shaped plate 74 can be greatly improved, the stability of the scaffold during working can be greatly improved, sufficient safety guarantee is provided for workers, and the builders are in constant motion when the scaffold, namely, when the builders are in construction, the arc-shaped plate 74 can generate extrusion force discontinuously through the stand column 2, so that, therefore, the scaffold is more stable when the working time is longer, the ground auger 75 can intermittently protrude towards the ground to extrude the corrugated pipe 77 intermittently, the air pressure inside the corrugated pipe 77 is in a changing state, the ground auger 75 is small in size in time, the filling bags 78 at two ends of the corrugated pipe 77 can be extruded when the air pressure in the corrugated pipe 77 is increased, a part of the air pressure is dispersed and injected into the pressure cavity 79, two ends and the upper part of the filling bags 78 are subjected to intermittent instant extrusion force, the non-Newtonian fluid inside the filling bags is solidified, the filling bags 78 are embodied into a plane solidification bag when working, the contact area between the arc plate 74 and the ground is changed from point to surface when the arc plate 74 is in contact with the ground, the contact area between the arc plate 74 and the ground is greatly increased, the ground gripping force of the arc plate 74 is greatly increased, the filling bags are matched with the ground auger 75, and the friction between the arc plate 74 and the ground is maximized, not only can fully guarantee scaffold frame job stabilization nature, still can provide sufficient safety for constructor simultaneously, ensure the normal safe operation of construction.

The specific working process is as follows:

when the scaffold is used, the scaffold can be freely placed on a slope and is influenced by the slope of the slope, the stand column 2 can be positioned at different horizontal planes, the slide rod 11 fixedly connected with the two ends of the limit ring 1 can prevent the limit ring 1 from rotating, namely, the stand column 2 can vertically slide along the slide rod 11 when vertically sliding under the influence of the slope, self-adjustment can be realized through the difference of the slope, so that the lower end of the stand column 2 is always contacted with the ground, the trouble of manually building the scaffold is saved, the engineering progress is greatly accelerated, after the position of the stand column 2 is adjusted, a constructor can construct through the scaffold, when the constructor gets on the hinged frame 3 on the scaffold, the self gravity can be given to the stand column 2, the downward force of the stand column 2 is increased, namely, the stand column starts to extrude the arc-shaped plate 74 through the stress rod 73, so that the arc-shaped plate 74 rotates firstly, when the scaffold is rotated to a certain degree, the scaffold stops rotating, and is in frictional contact with the ground through the friction plate on the outer surface of the scaffold, so that the friction force between the friction plate and the ground is increased, meanwhile, when the arc-shaped plate 74 is subjected to extrusion force, the inner end of the arc-shaped plate can move inwards, so that the extrusion rod 72 on the inner surface of the arc-shaped plate can be extruded, the extrusion rod 72 can start to shrink, when the extrusion rod 72 starts to shrink, the internal air pressure of the extrusion rod can be injected into the push rod 76, so that the lower section of the ground auger 75 can protrude towards the ground, the ground gripping force of the arc-shaped plate 74 can be greatly improved, the stability of the scaffold during working can be greatly improved, sufficient safety guarantee is provided for workers, and the builders are in constant motion when the scaffold, namely, when the builders are in construction, the arc-shaped plate 74 can generate extrusion force discontinuously through the stand column 2, so that, therefore, the scaffold is more stable when the working time is longer, the ground auger 75 can intermittently protrude towards the ground to extrude the corrugated pipe 77 intermittently, the air pressure inside the corrugated pipe 77 is in a changing state, the ground auger 75 is small in size in time, the filling bags 78 at two ends of the corrugated pipe 77 can be extruded when the air pressure in the corrugated pipe 77 is increased, a part of the air pressure is dispersed and injected into the pressure cavity 79, two ends and the upper part of the filling bags 78 are subjected to intermittent instant extrusion force, the non-Newtonian fluid inside the filling bags is solidified, the filling bags 78 are embodied into a plane solidification bag when working, the contact area between the arc plate 74 and the ground is changed from point to surface when the arc plate 74 is in contact with the ground, the contact area between the arc plate 74 and the ground is greatly increased, the ground gripping force of the arc plate 74 is greatly increased, the filling bags are matched with the ground auger 75, and the friction between the arc plate 74 and the ground is maximized, not only can fully guarantee scaffold frame job stabilization nature, still can provide sufficient safety for constructor simultaneously, ensure the normal safe operation of construction.

While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.