CN215594861U

CN215594861U - Closed protection device for cantilever scaffold bottom plate

Info

Publication number: CN215594861U
Application number: CN202121617904.0U
Authority: CN
Inventors: 殷亿; 沈卫东; 郜金龙; 赵学军; 胡国荣
Original assignee: China Overseas Construction Ltd
Current assignee: China Overseas Construction Ltd
Priority date: 2021-07-16
Filing date: 2021-07-16
Publication date: 2022-01-21
Anticipated expiration: 2031-07-16

Abstract

The utility model discloses a bottom plate sealing and protecting device for an overhanging scaffold, which relates to the technical field of scaffolds, wherein each positioning box is respectively sleeved at the bottom end of each scaffold upright, a connecting block is arranged at the inner side of each positioning box, the front end of each positioning rod is connected and fixed with the connecting block into a whole, and each positioning rod penetrates through a row of positioning boxes on the same longitudinal straight line and the bottom ends of the scaffold uprights sleeved in the row of positioning boxes; the electric push rod is arranged below the connecting block, and an output shaft of the electric push rod abuts against the bottom of the limiting block. According to the utility model, the positioning boxes are sleeved at the bottom ends of the original scaffold stand columns, the same-row positioning boxes and the scaffold stand columns sleeved in the same-row positioning boxes are integrally connected by the positioning rods in a penetrating manner, the positioning rods are integrally connected by the connecting blocks arranged on the inner sides of the positioning rods, and the connecting blocks are tightly abutted from the lower part by the electric push rods arranged on the inner sides of the connecting blocks, so that the protection device is fixedly installed on the base.

Description

Closed protection device for cantilever scaffold bottom plate

Technical Field

The utility model relates to the technical field of scaffolds, in particular to a device for carrying out safety protection at an overhanging scaffold.

Background

The scaffold is a working platform which is erected for ensuring various construction processes to be carried out smoothly, and is widely applied to construction of various buildings. The existing scaffold can be classified into upright rod type scaffolds, bridge type scaffolds, door type scaffolds, overhanging scaffolds, hanging scaffolds, climbing scaffolds and the like according to the structural form.

Cantilevered scaffolding is one of the most common forms of scaffolding, being a structure suspended in the air. In order to prevent the falling of workers or the falling of construction tools and other objects from the scaffold, the overhanging scaffold must be provided with a protection structure. At present, the scaffold of encorbelmenting generally adopts the structure that is used for scaffold outside fixed mounting protection network to realize the protection, and the protection network is fixed in the outside of scaffold with welding or through bolted connection generally. The protective effect of the welded and connected protective net is relatively good, but the construction process is complicated, the loading and unloading efficiency is low, and the welded and connected protective net cannot be reused; compared with a protective net connected by welding, the protective net fixed by the bolt connection has the advantages that the construction difficulty is reduced, the construction difficulty is still not ideal enough, and meanwhile, potential safety hazards caused by loosening of the bolts in the using process exist.

SUMMERY OF THE UTILITY MODEL

The utility model provides a closed protection device for a base plate of an overhanging scaffold, which aims to overcome the defects in the prior art.

The utility model adopts the following technical scheme for solving the technical problems: the support rod is fixedly connected with the wall body, the tail end of the support rod extends out of the wall body, the base support is fixed on the top of the tail end of the support rod and is of an overhanging structure, the scaffold of the layer is positioned on the top of the base, each scaffold upright post of the scaffold is arranged in an array shape, the length direction of the support rod is a longitudinal direction, the vertical direction is a vertical direction, the direction perpendicular to the longitudinal direction and the vertical direction is a transverse direction, each positioning box is arranged on the base corresponding to the number and the position of the scaffold upright posts, and each positioning box is respectively sleeved at the bottom end of each scaffold upright post; the connecting blocks are horizontally arranged on the inner sides of the positioning boxes, the electric push rods are connected and fixed on the inner sides of the bases through the push rod connecting plates, the output shafts of the electric push rods are arranged in the vertical direction, and the top ends of the output shafts of the electric push rods are clamped at the bottoms of limiting blocks arranged on the inner sides of the connecting blocks in a matched manner;

each positioning rod is arranged along the longitudinal direction, each positioning rod penetrates through a row of positioning boxes on the same longitudinal straight line and the bottom end of the scaffold upright post sleeved in the row of positioning boxes, the tail end of each positioning rod is connected and fixed to the outer side wall of one positioning box on the outermost side of the row, and the front end of each positioning rod is connected and fixed to the outer side of the connecting block; the protective net is connected with the positioning boxes in the line on the outermost side in an installing mode.

Further, the protective net is fixedly connected with the bases through protective net mounting structures, the protective net mounting structures are arranged in pairs, and a pair of protective net mounting structures are arranged symmetrically up and down and are respectively mounted at corresponding positions on two bases of adjacent layers; the protective net mounting structure comprises a fixed plate fixedly connected to the outer side of the base, a movable frame penetrating through a fixed groove longitudinally formed in the fixed plate, a movable block clamped with the movable frame in a matching manner, a fixed block fixedly connected to the outer side of the fixed plate and a spring, wherein two ends of the spring are fixedly connected with the movable block respectively and fixedly connected with the inner side of the fixed plate through a spring connecting plate;

in the protective net mounting structure positioned above, the cross section of the movable frame is a U-shaped structure with a downward opening, a through hole which is vertically communicated is formed in the movable frame, and the top end of the movable block is clamped into the through hole in a matched manner below the through hole; the spring is arranged below the movable block in a compressed state, and the top end of the spring is connected and fixed to the bottom of the movable block;

in the protective net mounting structure positioned below, the cross section of the movable frame is of a U-shaped structure with an upward opening, a through hole which is vertically communicated is formed in the movable frame, and the bottom end of the movable block is clamped into the through hole in a matching manner from the upper part of the through hole; the spring is arranged above the movable block in a compressed state, and the bottom end of the spring is connected and fixed to the top of the movable block;

the top edge and the end edge of the protection net are provided with fixed sleeves, the fixed sleeves are matched and sleeved on the fixed blocks correspondingly, and the top edge and the end edge of the protection net are clamped between the corresponding movable frame and the fixed plate.

Furthermore, a sliding groove is vertically formed in the inner side of the fixing plate, and the movable block is connected in the sliding groove in a sliding fit mode.

Furthermore, the fixing sleeve is of a clip structure.

Furthermore, a convex block is arranged on the inner side of the movable block.

Furthermore, the bottom of the supporting rod is obliquely provided with a reinforcing rod, the tail end of the reinforcing rod is connected and fixed to the bottom of the tail end of the supporting rod, and the front end of the reinforcing rod is connected and fixed to the outer side of the base.

The utility model provides a closed protection device for a base plate of an overhanging scaffold, which has the following beneficial effects:

1. according to the utility model, the positioning boxes are sleeved at the bottom ends of the original scaffold stand columns, the positioning boxes in the same row and the scaffold stand columns sleeved in the positioning boxes are integrally connected by the positioning rods in a penetrating manner, the positioning rods are integrally connected by the connecting blocks arranged at the inner sides of the positioning rods, and the connecting blocks are tightly pressed from the lower part by the electric push rods arranged at the inner sides of the connecting blocks to realize the installation and fixation of the protection device on the base;

2. the protective net is sleeved on the fixed block through the fixed sleeves arranged on the top edge and the bottom edge of the protective net, and meanwhile, the movable block and the fixed plate are used for clamping the top edge and the bottom edge of the protective net to realize longitudinal limiting of the protective net, so that the protective net is prevented from loosening and falling off, the movable block is longitudinally locked and limited through the movable block, the protective net is reliably connected, and the safety is high;

3. compared with the traditional scaffold installation, the scaffold installation device greatly reduces the labor intensity of workers and is beneficial to controlling the labor cost.

Drawings

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

fig. 2 is a schematic sectional structure view of a protective net mounting structure and a protective net according to the present invention.

In the figure:

1. a wall body; 2. a support bar; 3. a base; 4. a positioning box; 5. positioning a rod; 6. connecting blocks; 7. a limiting block; 8. an electric push rod; 10. a scaffold upright post; 12. a fixing plate; 13. fixing grooves; 14. a movable frame; 15. a fixed block; 16. fixing a sleeve; 17. a protective net; 19. a movable block; 20. a chute; 21. a spring.

Detailed Description

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

As shown in fig. 1-2, the structural relationship is: the supporting rod 2 is fixedly connected with the wall body 1, the tail end of the supporting rod extends out of the wall body 1, the base 3 is supported and fixed at the top of the tail end of the supporting rod 2 and is of an overhanging structure, the scaffold on the layer is positioned at the top of the base 3, each scaffold upright post 10 of the scaffold is arranged in an array shape, the length direction of the supporting rod 2 is taken as the longitudinal direction, the vertical direction is taken as the vertical direction, the direction vertical to both the longitudinal direction and the vertical direction is taken as the transverse direction, each positioning box 4 is arranged on the base 3 corresponding to the number and the position of the scaffold upright posts 10, and each positioning box 4 is respectively sleeved at the bottom end of each scaffold upright post 10; the connecting blocks 6 are horizontally arranged on the inner sides of the positioning boxes 4, the electric push rods 8 are connected and fixed on the inner sides of the bases 3 through the push rod connecting plates, the output shafts of the electric push rods 8 are arranged in the vertical direction, and the top ends of the output shafts of the electric push rods 8 are clamped at the bottoms of the limiting blocks 7 arranged on the inner sides of the connecting blocks 6 in a matched mode; in actual use, the model of the electric push rod 8 can be ZTPT.

Each positioning rod 5 is arranged along the longitudinal direction, each positioning rod 5 penetrates through a row of positioning boxes 4 on the same longitudinal straight line and the bottom ends of scaffold upright posts 10 sleeved in the row of positioning boxes 4, the tail end of each positioning rod 5 is connected and fixed to the outer side wall of one positioning box 4 on the outermost side of the row, and the front end of each positioning rod 5 is connected and fixed to the outer side of a connecting block 6; the protective net 17 is connected with the positioning box 4 in the outermost row.

Preferably, the protective net 17 is fixedly connected with the bases 3 through protective net mounting structures, the protective net mounting structures are arranged in pairs, and a pair of protective net mounting structures are arranged up and down symmetrically and are respectively mounted at corresponding positions on two bases 3 of adjacent layers; the protective net mounting structure comprises a fixed plate 12 fixedly connected to the outer side of the base 3, a movable frame 14 penetrating through a fixed groove 13 longitudinally arranged on the fixed plate 12, a movable block 19 clamped with the movable frame 14 in a matching manner, a fixed block 15 fixedly connected to the outer side of the fixed plate 12 and a spring 21, two ends of the spring 21 are fixedly connected with the movable block 19 and the inner side of the fixed plate 12 through a spring connecting plate respectively;

in the protective net mounting structure positioned above, the cross section of the movable frame 14 is a U-shaped structure with an opening facing downwards, a through hole which is vertically communicated is arranged on the movable frame, and the top end of the movable block 19 is matched and clamped into the through hole from the lower part of the through hole; the spring 21 is arranged below the movable block 19 in a compressed state, and the top end of the spring is connected and fixed to the bottom of the movable block 19;

in the protective net mounting structure positioned below, the cross section of the movable frame 14 is a U-shaped structure with an upward opening, a through hole which is vertically communicated is arranged on the movable frame, and the bottom end of the movable block 19 is matched and clamped into the through hole from the upper part of the through hole; the spring 21 is arranged above the movable block 19 in a compressed state, and the bottom end of the spring is connected and fixed to the top of the movable block 19;

the top edge and the bottom edge of the protection net 17 are both provided with a fixing sleeve 16, the fixing sleeves 16 are matched and sleeved on the corresponding fixing blocks 15, and the top edge and the bottom edge of the protection net 17 are clamped between the corresponding movable frame 14 and the fixing plate 12.

Preferably, the inner side of the fixed plate 12 is further vertically provided with a sliding groove 20, the movable block 19 is connected in the sliding groove 20 in a sliding fit manner, and the sliding groove 20 can guide the movable block 19, so that the movable block 19 can move vertically and be accurately separated from and clamped into the corresponding through hole.

Preferably, the pouch 16 is of a clip-type construction.

Preferably, a protrusion is disposed on the inner side of the movable block 19, and the sliding block 19 can be conveniently slid by a worker through the protrusion.

Preferably, 2 bottoms of bracing piece still slopes to be equipped with the stiffener, and the end-to-end connection of stiffener is fixed to the terminal bottom of bracing piece 2, and the front end is connected and is fixed to the 3 outsides of base, and wall body 1, bracing piece 2 and stiffener constitute the bearing structure of triangle-shaped, have improved bearing structure's stability, and then the firm support of guarantee wall body 1.

During the specific use, when installing protector on base 3, including following step:

firstly, a worker sleeves each positioning box 4 at the bottom end of each scaffold upright post 10 and places the positioning boxes on a base 3;

step two, integrally installing the connecting block 6 and each positioning rod 5 fixedly connected with the connecting block, wherein during installation, a single positioning rod 5 sequentially penetrates through a row of positioning boxes 4 at corresponding positions and the bottom ends of the upright columns 10 sleeved in the positioning boxes from the inner side to the outer side;

and step three, starting the positioning push rod 8, enabling the output end of the positioning push rod 8 to upwards jack the limiting block 7 from the bottom of the limiting block 7, then locking the positioning push rod 8, and tightly pressing and fixing each positioning box 4 on the base 3 to realize the installation and fixation of each scaffold upright post 10.

When the protective net 17 is installed on the base 3, the method comprises the following steps:

firstly, a worker overcomes the pressure of a spring 21 to compress the spring 21, so that a movable block 19 slides along a sliding groove 20 and is separated from the matching with a through hole of a movable frame 14, and then the movable frame 14 slides outwards along a fixed groove 13 to increase the distance between the movable frame 14 and a fixed plate 12;

step two, the protective net 17 is matched and sleeved with the corresponding fixed block 15 through the fixed sleeves 16 arranged on the top edge and the bottom edge of the protective net;

and step three, sliding the movable frame 14 inwards along the fixed groove 13 until the movable frame 14 is tightly pressed on the outer side of the fixed block 15, and at the moment, the movable block 19 is matched and clamped into the through hole under the action of the elastic force of the spring 21, so that the longitudinal limiting of the movable frame 14 is realized, and the installation is finished.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a scaffold bottom plate of encorbelmenting seals protector, bracing piece (2) are connected fixedly with wall body (1), and its end stretches out to wall body (1) outside, base (3) support are fixed in bracing piece (2) terminal top is the formula structure of encorbelmenting, and this layer of scaffold is located base (3) top, each scaffold stand (10) of scaffold is array form and arranges, with the length direction of bracing piece (2) is vertical to being vertical to be horizontal with vertical and vertical equal vertically orientation, its characterized in that: the base (3) is provided with positioning boxes (4) corresponding to the number and the positions of the scaffold uprights (10), and the positioning boxes (4) are respectively sleeved at the bottom ends of the scaffold uprights (10); the connecting blocks (6) are horizontally arranged on the inner sides of the positioning boxes (4), the electric push rods (8) are connected and fixed on the inner sides of the bases (3) through push rod connecting plates, output shafts of the electric push rods are arranged in the vertical direction, and the top ends of the output shafts of the electric push rods (8) are clamped at the bottoms of limiting blocks (7) arranged on the inner sides of the connecting blocks (6) in a matched mode;

each positioning rod (5) is arranged along the longitudinal direction, each positioning rod (5) penetrates through a row of positioning boxes (4) on the same longitudinal straight line and the bottom end of the scaffold upright post (10) sleeved in the row of positioning boxes (4), the tail end of each positioning rod is connected and fixed to the outer side wall of one positioning box (4) on the outermost side of the row, and the front end of each positioning rod (5) is connected and fixed to the outer side of the connecting block (6); the protective net (17) is connected with the positioning boxes (4) in the line at the outermost side in an installing mode.

2. A cantilevered scaffold floor closure guard according to claim 1 wherein: the protective nets (17) are fixedly connected with the bases (3) through protective net mounting structures, the protective net mounting structures are arranged in pairs, and a pair of protective net mounting structures are arranged up and down symmetrically and are respectively mounted at corresponding positions on two bases (3) of adjacent layers; the protective net mounting structure comprises a fixed plate (12) fixedly connected to the outer side of the base (3), a movable frame (14) arranged in a fixed groove (13) formed in the fixed plate (12) in a penetrating mode along the longitudinal direction, a movable block (19) clamped with the movable frame (14) in a matching mode, a fixed block (15) fixedly connected to the outer side of the fixed plate (12), and a spring (21) with two ends fixedly connected with the movable block (19) respectively and fixedly connected with the inner side of the fixed plate (12) through a spring connecting plate;

in the protective net mounting structure positioned above, the cross section of the movable frame (14) is a U-shaped structure with a downward opening, a through hole which is vertically communicated is formed in the cross section, and the top end of the movable block (19) is clamped into the through hole in a matched manner below the through hole; the spring (21) is arranged below the movable block (19) in a compressed state, and the top end of the spring is connected and fixed to the bottom of the movable block (19);

in the protective net mounting structure positioned below, the cross section of the movable frame (14) is of a U-shaped structure with an upward opening, a through hole which is vertically communicated is formed in the cross section, and the bottom end of the movable block (19) is clamped into the through hole in a matching manner above the through hole; the spring (21) is arranged above the movable block (19) in a compressed state, and the bottom end of the spring is connected and fixed to the top of the movable block (19);

the top edge and the end edge of protection network (17) all are equipped with fixed cover (16) along going out, fixed cover (16) cooperation cover is located and is corresponded on fixed block (15), the top edge and the end edge card of protection network (17) are located between corresponding adjustable shelf (14) and fixed plate (12).

3. A cantilevered scaffold floor closure guard according to claim 2 wherein: the inner side of the fixed plate (12) is also vertically provided with a sliding groove (20), and the movable block (19) is connected in the sliding groove (20) in a sliding fit manner.

4. A cantilevered scaffold floor closure guard according to claim 2 wherein: the fixing sleeve (16) is of a clip structure.

5. A cantilevered scaffold floor closure guard according to claim 2 wherein: the inner side of the movable block (19) is provided with a convex block.

6. A cantilevered scaffold floor closure guard according to claim 1 wherein: the bottom of the supporting rod (2) is also obliquely provided with a reinforcing rod, the tail end of the reinforcing rod is connected and fixed to the bottom of the tail end of the supporting rod (2), and the front end of the reinforcing rod is connected and fixed to the outer side of the base (3).