Height-adjustable scaffold convenient to move for constructional engineering
Technical Field
The invention belongs to the technical field of scaffolds, and particularly relates to a height-adjustable scaffold convenient to move for constructional engineering.
Background
The scaffold is a device frequently used in the building industry, and at present, the scaffold is adopted in building construction, road and bridge construction or ship building industry.
Chinese patent for CN201721640935.1 discloses a double-deck indoor scaffold frame of installation protection air cushion, including the scaffold frame body, guardrail bar is all installed to the both sides of scaffold frame body, fixed mounting has two backup pads on the scaffold frame body, the top of backup pad all is equipped with the buffering protection shield parallel with the backup pad, the protection air cushion is installed at the top of buffering protection shield, be equipped with elastic buffer mechanism between backup pad and the buffering protection shield, wherein elastic buffer mechanism includes connecting block, elastic rod and directional pole, and the connecting block is a plurality of, and the equidistant bottom both sides of installing in the buffering protection shield of connecting block, elastic rod are located the both sides of a plurality of connecting blocks, and the bottom both sides of connecting block all rotate and are connected with the movable rod, and directional rod welds in the top both sides of backup pad, and the movable groove has been seted up to one side that directional rod is close to the elastic rod. The scaffold is reasonable in design, the problem that operators fall down accidentally during high-altitude operation to cause falling injury is solved, and the safety use performance of the scaffold is improved.
As application number CN201720534184.9 discloses a scaffold for building, including scaffold frame horizontal pole and scaffold frame bracing piece, connect through the snap close piece between scaffold frame horizontal pole and the scaffold frame bracing piece, scaffold frame bracing piece bottom is provided with the base, the universal wheel is installed to the base downside, install brake equipment on the universal wheel, the snap close piece passes through the connecting rod and the safety device is connected, scaffold frame horizontal pole middle part is connected with two handrail poles, be provided with the step board between two handrail poles. According to the scaffold, the handrail is provided with the grooves matched with the ladder boards on one side corresponding to the ladder boards, a builder can conveniently climb the handrail and the ladder boards, the anti-slip layer is arranged on the upper side of the cross rod of the scaffold, the scaffold can well play a role of slip resistance and avoid slipping, the reinforcing ribs are arranged between the cross rod of the scaffold and the support rods of the scaffold, the stability of equipment is improved, the mounting device is composed of two support columns and an elastic net, falling can be well avoided, and the safety is improved.
Based on the foregoing, the inventor discovers that the height of the scaffold can not be adjusted, the scaffold is not convenient enough in use, and the scaffold on the existing market, the workbench is often a buckle plate, is directly connected to the scaffold, bears the gravity of workers during operation, can freely slide on the scaffold, and is very easy to move when receiving the tilting force, so that the scaffold is unstable in standing, and the workbench covered on the scaffold by a certain whole welding is not only heavy and difficult to move, but also climbs up and down or consigns things with great effort.
Therefore, in view of the above, research and improvement are made on the existing structure and defects, and a scaffold with adjustable height for construction engineering is provided, so as to achieve the purpose of higher practical value.
Disclosure of Invention
In order to solve the technical problems, the invention provides a height-adjustable scaffold convenient to move for constructional engineering, and aims to solve the problems of unadjustable height, heavy and unstable workbench and low safety performance in the prior art.
The invention relates to a scaffold with adjustable height and convenient to move for constructional engineering, which is achieved by the following specific technical means:
a height-adjustable scaffold convenient to move for constructional engineering comprises a lower upright post, universal wheels, an upper upright post, a transverse post, a longitudinal post, reinforcing ribs, a square frame, adjusting rods, adjusting nuts, hanging ladders, hooks, vertical ribs, transverse ribs, standing plates, supporting ribs and a protective cover; the universal wheels are arranged at four positions, have a braking function and are fixed on the bottom side surface of the lower upright post; the transverse columns are square tubes and are welded between the upper upright columns in the left-right direction, and a circular through hole is formed in the center of each transverse column; the longitudinal columns are of circular tube structures, and are welded between the upper upright columns in the front-back direction; the reinforcing ribs are welded on the transverse columns and the upper upright columns at four positions, and are welded on the longitudinal columns and the upper upright columns at four positions; the square frame is formed by welding three-prescription pipes and is welded on the bottom side surface of the middle section of the front transverse column; the hanging ladder consists of three parts, namely a hook, a vertical rib and a transverse rib, and is hooked on the square frame; the supporting ribs are welded on the bottom side surface of the standing plate, and two ends of the supporting ribs are bent upwards for ninety degrees and welded on the left side surface and the right side surface of the standing plate and are bent outwards to form hooks.
Furthermore, the lower upright post is provided with four positions which are square tube structures, and the top end of the lower upright post is provided with a through hole from left to right.
Further, go up the stand and be the ladder tube structure, the bottom external dimension equals lower stand internal dimension, offers the round hole that the equidistance distributes from a left side right side, and the aperture equals the round hole on the stand down, during the suit advanced lower stand.
Further, adjust the pole and be the ladder axle construction, wherein the top is discoid, and the welding has a cylinder on the plectane, and ladder axle interlude and bottom segment are the screw shaft, connect on spreader and station board by preceding back, stretch out the spreader end and be fixed with a hexagon nut.
Furthermore, the adjusting nut is of a circular plate structure, a threaded hole is formed in the middle of the adjusting nut, an L-shaped cylinder is welded on the circumference of the adjusting nut, and the L-shaped cylinder is fixed at the tail end of the adjusting rod through threaded connection.
Further, erect rib and horizontal rib and be the side pipe, the horizontal rib welds in the bottom between the perpendicular rib, and the couple is the side pipe welding and forms half-enclosure structure, welds the outside wide size of outside of tubes that the rectangle mouth width that forms equals the horizontal rib in the middle of erecting the rib inboard.
Further, the standing plate is of a groove-shaped structure, the bottom side face is of a punching plate structure, the periphery of the standing plate is covered upwards, threaded holes are formed in the covered edges of the front side face and the rear side face, and the hole specifications are matched with the threads in the middle section of the adjusting rod.
Furthermore, the protective cover is a groove-shaped strip with an opening on the bottom surface, is welded on the standing plate and is positioned in the middle.
Compared with the prior art, the invention has the following beneficial effects:
the setting of square frame, external dimension is the same with the external dimension who hangs the ladder, is convenient for hang the hook of getting in touch on the ladder, and can not take place to interfere when the hook is connected, and one step of installation is one step of dismantlement, and the relation of connection is simple, and convenient operation saves time.
The movable hanging ladder is convenient to move, the overall height of the scaffold can be adjusted through the upper stand column and the lower stand column so as to meet the use requirements of different heights, meanwhile, the hanging ladder is of an independent structure, a proper number of hanging ladders are selected to be hung on the square frame on occasions needing to be used, the use requirements of an upper scaffold and a lower scaffold are met, meanwhile, the position of the standing plate on the scaffold is relatively fixed, the stability is high, and the position is convenient to adjust.
Drawings
Fig. 1 is a schematic structural view of the scaffold of the present invention.
Fig. 2 is a left side view of the inventive scaffolding.
Fig. 3 is a top view of the present invention.
Fig. 4 is a front view of the standing board of the present invention.
Fig. 5 is a top view of the standing board of the present invention.
Fig. 6 is a front view of the inventive hanging ladder.
Fig. 7 is a left side view of the hanging ladder of the present invention.
Fig. 8 is a front view of the adjustment lever of the present invention.
Fig. 9 is a top view of the adjustment lever of the present invention.
Fig. 10 is a front view of the adjusting nut of the present invention.
Fig. 11 is a top view of the adjusting nut of the present invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1-lower upright column, 101-universal wheel, 2-upper upright column, 201-transverse column, 202-longitudinal column, 203-reinforcing rib, 204-square frame, 3-adjusting rod, 301-adjusting nut, 4-hanging ladder, 401-hook, 402-vertical rib, 403-transverse rib, 5-standing plate, 501-supporting rib and 502-protective cover.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 11: a height-adjustable scaffold convenient to move for constructional engineering comprises a lower upright post 1, universal wheels 101, an upper upright post 2, a transverse post 201, a longitudinal post 202, reinforcing ribs 203, a square frame 204, an adjusting rod 3, an adjusting nut 301, a hanging ladder 4, a hook 401, a vertical rib 402, a transverse rib 403, a standing plate 5, supporting ribs 501 and a protective cover 502; the universal wheels 101 are arranged at four positions in total, have a braking function and are fixed on the bottom side surface of the lower upright post 1; the transverse columns 201 are square tubes, the number of the transverse columns is two, the transverse columns are welded between the upper upright columns 2 in the left-right direction, and a circular through hole is formed in the center of each transverse column; the longitudinal columns 202 are of circular tube structures, and are welded between the upper upright columns 2 in the front-back direction; the reinforcing ribs 203 are welded to the transverse columns 201 and the upper upright columns 2 at four positions, and welded to the longitudinal columns 202 and the upper upright columns 2 at four positions; the square frame 204 is formed by welding three-prescription pipes and is welded on the bottom side surface of the middle section of the front transverse column 201; the hanging ladder 4 consists of three parts, namely a hook 401, a vertical rib 402 and a transverse rib 403, and is hooked on the square frame 204; the support ribs 501 are welded on the bottom side surface of the standing plate 5, and two ends of the support ribs are bent upwards for ninety degrees and welded on the left side surface and the right side surface of the standing plate 5 and are bent outwards to form hooks.
Wherein, the lower upright post 1 has four positions in total and is of a square tube structure, and the top end is provided with a through hole from left to right.
Wherein, go up stand 2 and be the ladder tubular construction, the bottom external dimension equals stand 1 internal dimension down, sets up the round hole that the equidistance distributes from a left side to the right side, and the aperture equals the round hole on stand 1 down, and during the suit entered stand 1 down, it can slide from top to bottom in stand 1 down to go up stand 2, and the round hole of difference on through going up stand 2 is to the round hole on its stand 1 down and with the bolt fastening, can obtain different scaffold heights.
Wherein, adjusting pole 3 and being the ladder shaft structure, wherein the top is discoid, and the welding has a cylinder on the plectane, and ladder shaft interlude and end section are the screw spindle, connect on spreader 201 and station board 5 by preceding backward, stretch out spreader 201 end and be fixed with a hexagon nut, and the cylinder on the plectane is convenient for wave along the plectane axial lead to make whole regulation pole 3 around the radial rotation of axis.
Wherein, adjusting nut 301 is the plectane structure, and threaded hole is seted up in the centre, and the welding has an L type cylinder on the circumference, is fixed in through threaded connection and adjusts 3 ends of pole, and adjusting nut 301 is in the same place with the bolt on adjusting pole 3 side by side, forms the locking, owing to be inboard at the hexagon nut, consequently also can not unscrew when just reversing and unscrew regulation pole 3.
Wherein, vertical rib 402 and horizontal rib 403 are square pipes, horizontal rib 403 welds in the bottom between vertical rib 402, couple 401 is square pipe welding and forms half-enclosed structure, weld in the middle of vertical rib 402 inboard rectangle mouth width that forms equals the outside wide size of horizontal rib 403, be convenient for when hanging ladder 4 and establish ties, owing to all adopt square pipe, consequently can not produce relative rotation between connecting each other, simultaneously, reduce the whole weight of scaffold, it can to prepare sufficient string ladder 4 as required, with can't be with then do not need the installation.
Wherein, the standing plate 5 is of a groove structure, the bottom side surface is of a punching plate structure, the periphery of the bottom side surface is covered upwards, the front side surface and the rear side surface are covered with threaded holes, the hole specification is matched with the threads in the middle section of the adjusting rod 3, and the standing plate 5 can move in a front-back direction through rotation of the adjusting rod 3, so that the position is changed, and the operation is simple.
Wherein, safety cover 502 is the bottom surface open-ended cell type rectangular, welds on standing board 5, and is located the intermediate position, forms the protection to adjusting lever 3, prevents that the staff from standing and stepping on adjusting lever 3 when the during operation on standing board 5, and formation pressure produces the deformation, influences life.
The specific use mode and function of the embodiment are as follows:
in the invention, the upper upright post 2 is inserted into the lowest end of the lower upright post 1 in a normal state and is also the height of a common scaffold, when construction is carried out on a higher position and the original height can not meet the use requirement, the upper upright post 2 is pulled out from the lower upright post 1 to obtain the required construction height, the upper upright post 2 and the lower upright post 1 are fixed through bolts to ensure that the relative position is constant, meanwhile, according to the height of the adjusted scaffold, a sufficient amount of hanging ladders 4 are selected according to the working requirement to be connected in series and then fixed on a square frame 204 to meet the working requirement when the scaffold climbs up and down, meanwhile, a standing plate 5 is a working platform, is hung on a longitudinal post 202 through supporting ribs 501 at two ends and is connected on a transverse post 201 through an adjusting rod 3, and can be radially rotated with the transverse post 201 through an adjusting nut 301 or a cylinder at the top end of the adjusting rod 3, and because the connecting relationship of the adjusting rod 3 and the standing plate 5 is connected through threads, therefore, the matching rotation of the threads can be converted into the linear motion of the station plate 5, so that the position of the station plate 5 is changed, the requirement of adjusting the station position during construction is met, the station plate 5 is subjected to upward force during use, and the adjusting rod 3 is not easy to rotate when the manual operation is separated, so that the position of the station plate 5 is in a fixed position relative to the scaffold during work, the stability is good, and the safety performance is high.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.