CN115045493A - An all-steel attached lifting scaffold - Google Patents

Abstract

The invention discloses an all-steel attachment type lifting scaffold, which comprises a scaffold body, a freight elevator, a wall-attached guide seat and a wall-attached hanging seat. The scaffold body includes two main frames and three main frames arranged between the two main frames. A subframe is provided, wherein the freight elevator is located between two scaffolding bodies, and the invention relates to the technical field of scaffolding. The all-steel attached lifting scaffold, when a freight elevator is installed between the two sets of scaffolds, the splicing of the two sets of scaffolds adopts a protective device. During the lifting process, if there is a falling situation, the movable plate and the connecting rod The cooperation between them can prevent falling and improve the overall safety. The base of the wall-mounted guide base is made of prefabricated bottom plates, front plates, left and right side plates and upper and lower cover plates with thickness of 12, 10, 6mm. The tenon-and-mortise method is used to assemble and weld as a whole, so that the manufacturing error in the production process is minimized, and the structural strength is more stable and firm than traditional assembly and welding.

Description

An all-steel attached lifting scaffold

technical field

The invention relates to the technical field of scaffolding, in particular to an all-steel attachment type lifting scaffold.

Background technique

Scaffolding is a temporary construction tool set up on the construction site for workers to operate and solve vertical and horizontal transportation. It is mainly used in exterior walls, interior decoration or places with high storey height that cannot be directly constructed. It is mainly for construction personnel to work up and down. Or peripheral safety net maintenance and high-altitude installation components, etc., its production materials are usually bamboo, wood, steel pipe or synthetic materials, etc. The early attached lifting scaffolds used stereotyped vertical frames, horizontal support trusses and steel pipe fasteners to be assembled on site. body, the attachment support is installed on the wall, the upper hook of the electric hoist is suspended on the attachment support, the lower hook hangs the frame body, and the electric hoist lifts the frame body with electricity. Because of its simple structure and convenient use, it has been popularized and applied in the construction industry. .

Generally, during the use of scaffolding, when the floor gradually increases, freight elevators will be used. The part where the freight elevator needs to be erected needs to be dismantled. The scaffolding is all assembled. The crane can be used to hoist upwards. During the hoisting process, it may fall off in the middle. This method has certain dangers, and the early attached lifting scaffolds gradually exposed the following problems:

(1) The quality and strength of the frame built with steel pipe fasteners are greatly affected by the quality of steel pipes and fasteners;

(2) There are many non-standard specifications of the frame body shaping components, which is inconvenient for manufacturing and construction organization;

(3) The strength of the frame body is greatly affected by construction equipment such as tower cranes, construction elevators, and unloading platforms;

(4) The bamboo and wooden scaffolding boards used are flammable and easily damaged, and the dense mesh safety net on the enclosure facade has poor protection ability and great potential safety hazards.

SUMMARY OF THE INVENTION

Aiming at the deficiencies of the prior art, the present invention provides an all-steel attachment type lifting scaffold, which solves the danger of removing part of the scaffold when installing a freight elevator. The quality and strength are greatly affected by the quality of steel pipes and fasteners, which is inconvenient. Manufacturing and construction organization issues.

In order to achieve the above purpose, the present invention is achieved through the following technical solutions: an all-steel attached lifting scaffold, comprising a scaffold body, a freight elevator, a wall-attached guide seat and a wall-attached hanging seat, and the scaffold body includes two main frames and a set of There are three sub-frames between two main frames, the freight elevator is located between two scaffold bodies, and the backs of the two adjacent main frames of the two scaffold bodies are fixedly connected with an outer frame and a shell, respectively. One side of the shell is provided with a connecting plate, and the bottom of the connecting plate is rotatably connected with a movable plate, and a connecting rod is fixedly connected between the front and rear of the inner wall of the outer frame, and the bottom of the movable plate is in contact with the top of the surface of the connecting rod.

Preferably, a sliding bar is fixedly connected to the front and rear between the two sides of the inner wall of the housing, and a sliding plate is slidably connected to the surface of the sliding bar, one side of the sliding plate is fixedly connected to one side of the connecting plate, and the top of the sliding plate is fixedly connected to the side of the connecting plate. A push rod is fixedly connected, the top of the push rod penetrates the casing and extends to the top of the casing, the top of the casing is provided with a chute adapted to the push rod, and a spring is fixedly connected to the inside of one side of the connecting plate , and the bottom end of the spring is fixedly connected with the top of the movable plate.

Preferably, Z-shaped braces are fixedly connected to the inside of the main frame and the sub-frame, and a scaffold board is connected between the Z-shaped braces on the main frame and the sub-frame, and between the main frame and the sub-frame, two The fronts between the sub-frames are all connected with protective mesh sheets, and a horizontal truss is connected between the main frame and the sub-frames, between the two sub-frames and below the scaffolding board.

Preferably, an isolation flap is connected to the middle of the back of the sub-frame and located on the back of the scaffolding board, and a bottom flap is connected to the bottom of the back of the sub-frame and located on the back of the scaffolding board.

Preferably, hangers are connected to the top and bottom of both sides of the two main frames, and an electric hoist is arranged between the two hangers.

Preferably, the backs of the two main frames are connected with guide rails, and the two sides of the inner walls of the guide rails are fixedly connected with cross bars, the top of the back of the guide rails is connected with a pull-up seat plate, and the inner part of the pull-up seat plate is connected An adjustment pull rod is rotatably connected, and the bottom of the adjustment pull rod is rotatably connected with a pull-down seat plate.

Preferably, the wall-attaching guide seat includes a base, and a guide wheel group is rotatably connected to the front and rear of the inner wall of one side of the base, and the guide wheel group is slidably connected to one side of the guide rail.

Preferably, the top of the base is rotatably connected with a long orthodontic rod, and the internal thread of the long orthodontic rod is connected with a positive and negative tooth adjusting bolt, and the top of the surface of the positive and negative teeth adjusting bolt is threadedly connected with a negative tooth short rod.

Preferably, a connecting block is arranged inside the base, an anti-falling block is rotatably connected to the inside of the connecting block, and a movable pendant is fixedly connected to the front of the anti-falling block.

beneficial effect

The invention provides an all-steel attachment type lifting scaffold. Compared with the prior art, it has the following beneficial effects:

(1) The all-steel attached lifting scaffold is provided with a connecting plate through one side of the outer casing, and the bottom of the connecting plate is rotatably connected with a movable plate, and a connecting rod is fixedly connected between the front and rear of the inner wall of the outer frame. The bottom is in contact with the top of the surface of the connecting rod, the front and rear between the two sides of the inner wall of the casing are fixedly connected with a sliding rod, and the surface of the sliding rod is slidably connected with a sliding plate, one side of the sliding plate is fixedly connected with one side of the connecting plate, and the The top is fixedly connected with a push rod, the top of the push rod penetrates the casing and extends to the top of the casing, the top of the casing is provided with a chute adapted to the push rod, a spring is fixedly connected inside one side of the connecting plate, and the bottom of the spring is The end is fixedly connected to the top of the movable board. When a freight elevator is installed between the two sets of scaffolds, a protective device is used at the splicing of the two sets of scaffolds. During the lifting process, if there is a fall, the movable board and the connecting rod The cooperation between them can play an anti-fall effect and improve the overall safety.

(2) The all-steel attached lifting scaffold includes a base through a wall-attached guide seat, and a guide wheel group is rotatably connected to the front and rear of the inner wall of one side of the base, and the guide wheel group is slidably connected to one side of the guide rail. The top is rotatably connected with an orthodontic long rod, and the inner thread of the orthodontic long rod is connected with an adjustment bolt with positive and negative teeth, the top of the surface of the positive and negative teeth adjustment bolt is threadedly connected with a short rod with negative teeth, and the interior of the base is provided with a connecting block , There is an anti-falling block connected to the inside of the connecting block, and a movable ornament is fixedly connected to the front of the anti-falling block. The base of the wall-mounted guide base is made of prefabricated bottom plate, front plate, left and right side plates and upper and lower covers with a thickness of 12, 10, 6mm. By optimizing the combination, the mortise-and-mortise method is used to assemble and weld the plates together, so that the manufacturing error in the production process is reduced to the bottom, and the structural strength is more stable and firmer than the traditional assembly and welding.

(3) The all-steel attached lifting scaffold is connected with guide rails through the backs of the two main frames, and a cross bar is fixedly connected between the two sides of the inner wall of the guide rails, and the top of the back of the guide rails is connected with a pull-up seat plate, and The inner rotatable connection of the upper pull seat plate is connected with the adjustment pull rod, and the bottom of the adjustment pull rod is rotated and connected with the pull down seat plate. An adjustable pull rod is installed between the guide rail, the building structure surface, and the upper and lower knot base plates, and the main structure and the frame body are formed by oblique anchorage to reduce the cantilever height of the frame body.

(4) The all-steel attached lifting scaffold is fixedly connected with Z-shaped braces through the interior of the main frame and the sub-frame, and a scaffold is connected between the Z-shaped braces on the main frame and the sub-frame, and the main frame and the auxiliary frame are connected. The fronts between the frames and between the two sub-frames are connected with protective meshes. Between the main frame and the sub-frames, between the two sub-frames and below the scaffolding boards are connected horizontal trusses. The steel scaffolding boards of the scaffolding are connected with horizontal trusses. Longitudinal members such as horizontal trusses are directly connected to both sides of the inner and outer vertical rods. The length of the steel scaffolding board and the horizontal truss is a modulus with the span of the stand. The horizontal truss can be installed directly against the bottom of the steel scaffolding board. The horizontal truss , The vertical pole, the facade protective mesh, and the steel scaffolding plate directly form a solid horizontal truss system, with simple nodes and high connection strength, and the center of the scaffolding plate frame intersects with the vertical main frame and the center of the vertical pole frame, and the frame system is reasonably stressed. , the node has no additional torque, and the safety performance is good.

Description of drawings

Fig. 1 is the front view of the structure of the present invention;

Fig. 2 is the perspective view of main frame and sub-frame structure of the present invention;

Fig. 3 is the rear view of main frame and sub-frame structure of the present invention;

4 is a side view of the main frame structure of the present invention;

5 is a perspective view of the structure of the wall-attached guide seat of the present invention;

Fig. 6 is the perspective view of the structure of the wall-mounted hanging seat of the present invention;

7 is a perspective view of the guide rail structure of the present invention;

8 is a top view of the main frame structure of the present invention;

Fig. 9 is the sectional view of the shell and outer frame structure of the present invention;

FIG. 10 is a partial enlarged view of A in FIG. 8 of the present invention.

In the picture: 1-scaffold main body, 101-main frame, 102-subframe, 103-Z bracing, 104-scaffold board, 105-protective mesh, 106-horizontal truss, 107-isolation flap, 108-bottom flap Plate, 109-hanger, 110-electric hoist, 111-rail, 112-crossbar, 113-pull-up seat plate, 114-adjustment rod, 115-drop-down seat plate, 2-freight elevator, 3-wall-attached guide seat, 31-base, 32-guide wheel group, 33-orthodontic long rod, 34-positive and negative teeth adjusting bolt, 35-negative tooth short rod, 36-connecting block, 37-anti-falling block, 38-active ornament, 4 -Attached wall mount, 5-frame, 6-shell, 7-connecting plate, 8-moving plate, 9-connecting rod, 10-slider, 11-slide, 12-push, 13-chute, 14 -spring.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

1-10, the present invention provides a technical solution: an all-steel attached lifting scaffold, including a scaffold body 1, a freight elevator 2, a wall-attached guide seat 3 and a wall-attached hanging seat 4, and the scaffold body 1 includes two The main frame 101 and the three sub-frames 102 arranged between the two main frames 101, the freight elevator 2 is located between the two scaffolding bodies 1, and the backs of the two main frames 101 adjacent to the two scaffolding bodies 1 are fixedly connected respectively. The outer frame 5 and the casing 6 are provided with a connecting plate 7 on one side of the casing 6, and a movable plate 8 is rotatably connected to the bottom of the connecting plate 7, and a connecting rod 9 is fixedly connected between the front and rear of the inner wall of the outer frame 5, and the movable plate 8 The bottom of the connecting rod 9 is in contact with the top of the surface.

Longitudinal members such as steel scaffolding boards 104 and horizontal trusses 106 of the scaffolding are directly connected to both sides of the inner and outer vertical poles. Installed close to the bottom of the steel scaffolding board 104, the horizontal truss 106, the vertical rod, the facade protective mesh 105, and the steel scaffolding board 104 directly form a solid horizontal truss system, with simple nodes and high connection strength. Converging to the center of the main frame 101 and the vertical pole frame, the frame system is reasonably stressed, the nodes have no additional moment, and the safety performance is good.

In the present invention, a sliding bar 10 is fixedly connected to the front and rear between both sides of the inner wall of the housing 6, and a sliding plate 11 is slidably connected to the surface of the sliding bar 10. One side of the sliding plate 11 is fixedly connected to one side of the connecting plate 7, and the sliding plate 11 The top of the push rod 12 is fixedly connected with the push rod 12, the top of the push rod 12 penetrates the casing 6 and extends to the top of the casing 6, and the top of the casing 6 is provided with a chute 13 that matches the push rod 12. A spring 14 is fixedly connected, and the bottom end of the spring 14 is fixedly connected with the top of the movable plate 8 .

In the present invention, Z-shaped braces 103 are fixedly connected inside the main frame 101 and the sub-frame 102, and a scaffolding board 104 is connected between the Z-shaped braces 103 on the main frame 101 and the sub-frame 102. The main frame 101 and the sub-frame 102 and between the two sub-frames 102 are connected with protective meshes 105 on the front, between the main frame 101 and the sub-frames 102, between the two sub-frames 102 and below the scaffolding board 104 are connected with horizontal trusses 106.

In the present invention, an isolation flap 107 is connected to the middle of the back of the sub-frame 102 and located on the back of the scaffolding board 104 , and a bottom flap 108 is connected to the bottom of the back of the sub-frame 102 and located on the back of the scaffolding board 104 .

In the present invention, hangers 109 are connected to the tops and bottoms of both sides of the two main frames 101, and an electric hoist 110 is arranged between the two hangers 109. The hangers 109 are an important component of the attached lifting scaffolding lifting system. The part is the load-bearing structural component that fixes the upper and lower lifting points of the electric hoist 110. The ordinary general hanger is divided into two different structures, the upper and the lower. Considering that its functions are the same, it is set as a common part to avoid the upper, lower and lower parts. If the left and right installation directions are different, corresponding components need to be set up, which will fundamentally reduce the workload of equipment storage management and production maintenance.

In the present invention, the backs of the two main frames 101 are connected with guide rails 111 , and the two sides of the inner walls of the guide rails 111 are fixedly connected with cross bars 112 . An adjustment pull rod 114 is rotatably connected to the inside of the plate 113 , and a pull-down seat plate 115 is rotatably connected to the bottom of the adjustment pull rod 114 .

正反牙螺栓组成，横向间距不大于6米，转角间距不大于2米。The top-level wall-attached guide seat 3 is installed on the structural surface of the layer with 2 pieces of M12 expansion bolts to fix the pull-down seat plate 115 made of Q235B steel. Pressing the front of the guide rail 11, one end of the back plate presses the anti-falling ladder rod to form a hoop, a tie rod with adjustable length is installed between the upper and lower seat plates, and the two ends are fastened with the seat plate by M16 bolts.

It is composed of positive and negative teeth bolts, the horizontal spacing is not more than 6 meters, and the corner spacing is not more than 2 meters.

In the present invention, the wall-attached guide base 3 includes a base 31 . The front and rear of the inner wall of one side of the base 31 are rotatably connected with a guide wheel group 32 , and the guide wheel group 32 is slidably connected to one side of the guide rail 111 .

The base 31 of the wall-mounted guide base 3 is made of prefabricated bottom plates, front plates, left and right side plates and upper and lower cover plates with thicknesses of 12, 10, and 6 mm. By optimizing the combination, the mortise and tenon method is used to assemble and weld into one, which makes the production error in the production process. It is reduced to the bottom, and the structural strength is more stable and firm than traditional assembly welding.

In the present invention, the top of the base 31 is rotatably connected with the orthodontic long rod 33, and the inner thread of the orthodontic long rod 33 is connected with the positive and negative teeth adjusting bolts 34, and the top of the surface of the positive and negative teeth adjusting bolts 34 is threadedly connected with a reverse thread. Teeth short rod 35.

In the present invention, a connecting block 36 is provided inside the base 31 , an anti-falling block 37 is rotatably connected to the inside of the connecting block 36 , and a movable rocker 38 is fixedly connected to the front of the anti-falling block 37 .

Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

When in use, when the scaffold body 1 above the freight elevator 2 needs to be removed, the crane lifts the scaffold body 1 upward. During the upward movement of the casing 6, the movable plate 8 will be turned downward under the blocking of the connecting rod 9. , if it falls suddenly, the movable plate 8 will be located above the connecting rod 9 to prevent the housing 6 from continuing to descend, and has a certain protective effect. The falling will drive the anti-falling block 37 and the movable pendant 38 to rotate. When the speed is too fast, the anti-falling block 37 will be stuck between the cross bars 112 to prevent the scaffold body 1 from continuing to descend.

It should be noted that, in this document, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any relationship between these entities or operations. any such actual relationship or sequence exists. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device that includes a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, and substitutions can be made in these embodiments without departing from the principle and spirit of the invention and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (9)

1. The utility model provides an all steel inserted lift scaffold, includes scaffold main part (1), goods lift (2), attaches wall guide holder (3) and attaches wall and hang seat (4), scaffold main part (1) includes two main frames (101) and sets up three auxiliary frame (102) between two main frames (101), goods lift (2) are located between two scaffold main parts (1), its characterized in that: two the back of two adjacent main frames (101) of scaffold body (1) is fixedly connected with frame (5) and shell (6) respectively, one side of shell (6) is provided with connecting plate (7) to the bottom of connecting plate (7) is rotated and is connected with fly leaf (8), and fixedly connected with connecting rod (9) between the front and back of frame (5) inner wall, the bottom of fly leaf (8) contacts with the top on connecting rod (9) surface.

2. An all-steel attached lifting scaffold according to claim 1, characterized in that: equal fixedly connected with slide bar (10) around between shell (6) inner wall both sides to the surperficial sliding connection of slide bar (10) has slide (11), one side of slide (11) and one side fixed connection of connecting plate (7), top fixedly connected with push rod (12) of slide (11), the top of push rod (12) runs through shell (6) and extends to the top of shell (6), spout (13) with push rod (12) looks adaptation are seted up to the top of shell (6), inside fixedly connected with spring (14) of connecting plate (7) one side to the bottom of spring (14) and the top fixed connection of fly leaf (8).

3. An all-steel attached lifting scaffold according to claim 1, characterized in that: the inside of main frame (101) and subframe (102) all fixedly connected with Z type props (103) to be connected with scaffold board (104) between Z type props (103) on main frame (101) and subframe (102), between main frame (101) and subframe (102), the front between two subframes (102) all is connected with protection net piece (105), between main frame (101) and subframe (102), between two subframes (102) and be located and the below of scaffold board (104) is connected with horizontal truss (106).

4. An all-steel attached lifting scaffold according to claim 1, characterized in that: the middle part of the back of the subframe (102) and the back of the scaffold board (104) are connected with an isolation turning plate (107), and the bottom of the back of the subframe (102) and the back of the scaffold board (104) are connected with a bottom turning plate (108).

5. An all-steel attached lifting scaffold according to claim 1, characterized in that: the top and the bottom of two sides of the main frame (101) are both connected with hanging racks (109), and an electric hoist (110) is arranged between the two hanging racks (109).

6. An all-steel attached lifting scaffold according to claim 1, characterized in that: two the back of main frame (101) all is connected with guide rail (111) to fixedly connected with horizontal pole (112) between the both sides of guide rail (111) inner wall, the top at the guide rail (111) back is connected with pull-up seat board (113), and the inside of pull-up seat board (113) is rotated and is connected with regulation pull rod (114), the bottom of adjusting pull rod (114) is rotated and is connected with pull-down seat board (115).

7. An all-steel attached lifting scaffold according to claim 6, characterized in that: attach wall guide holder (3) and include base (31), all rotate around base (31) one side inner wall and be connected with guide pulley group (32), guide pulley group (32) and one side sliding connection of guide rail (111).

8. An all-steel attached lifting scaffold according to claim 7, characterized in that: the top of base (31) is rotated and is connected with orthodontic stock (33) to the inside threaded connection of orthodontic stock (33) has with positive and negative tooth adjusting bolt (34), the top threaded connection on positive and negative tooth adjusting bolt (34) surface has anti-tooth quarter butt (35).

9. An all-steel attached lifting scaffold according to claim 7, characterized in that: the anti-falling device is characterized in that a connecting block (36) is arranged inside the base (31), an anti-falling block (37) is rotatably connected inside the connecting block (36), and a movable swinging part (38) is fixedly connected in front of the anti-falling block (37).

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