A scaffold

Abstract

A scaffold includes support units, each of which comprises a support frame, a ladder, a step and a support leg; the support frame comprises support columns, a top crossbar and a bottom crossbar, the four support columns are arranged in a rectangular array, the top crossbar connects the top ends of the four support columns and forms a top enclosure, and the bottom crossbar connects the bottom ends of the four support columns and forms a bottom enclosure; the ladder is arranged in the support frame, the top end of the ladder is connected to the top crossbar, and the bottom end of the ladder is connected to the bottom crossbar; the step and the ladder are staggered in the vertical direction and are laid on the bottom enclosure; a plurality of support units can be arranged in the vertical direction in a stacked manner, and the support columns of the support units in adjacent layers are detachably connected one by one; the bottom ends of the support columns of the support units in the bottommost layer are detachably connected to the support legs; the present application is convenient to construct, has high disassembly and assembly efficiency, and has high moving efficiency.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of ship maintenance, in particular to a scaffold. BACKGROUND

[0002] The scaffold is a working platform set up to ensure the smooth progress of various construction processes, which is widely used in land production and construction, and also applied in the fields of shipbuilding, operation and maintenance, etc. However, the scaffold widely used on land at present is basically connected by section bars, which cannot be quickly applied to solve emergency situations. The bottom of the scaffold is fixedly connected to the ground by expansion bolts or welding, which is very firm, but inconvenient to disassemble and move. Alternatively, the bottom of the scaffold is supported by casters, but this structure is unstable and can easily be overturned by the rolling of the sea waves. Therefore, the scaffold widely used on land at present cannot meet the needs of the shipbuilding field. Moreover, due to the load and arrangement of the ship, too many scaffolds cannot be carried and fixed on the ship during operation. However, there are many positions on the ship that need to be maintained with the help of scaffolds, which makes it difficult for the scaffold widely used on land at present to meet the needs of shipbuilding, operation and maintenance, etc. SUMMARY

[0003] The purpose of the present application is to provide a scaffold to solve the technical problems of low efficiency or unstable support of disassembly and movement of the existing scaffold, and difficulty in meeting the needs of shipbuilding, operation and maintenance, etc.

[0004] In order to achieve the above-mentioned purpose, the present application provides a scaffold, which comprises a support unit, the support unit comprising a support frame, a ladder, a step and a support leg; the support frame comprising support columns, a top crossbar and a bottom crossbar, four support columns being arranged in a rectangular array, the top crossbar connecting the top ends of the four support columns and forming a top frame, and the bottom crossbar connecting the bottom ends of the four support columns and forming a bottom frame; the ladder being arranged inside the support frame and inclined, the top end of the ladder being connected to one of the top crossbars, and the bottom end of the ladder being connected to one of the bottom crossbars; the step and the ladder being staggered in the vertical direction and laid on the bottom frame.

[0005] A plurality of support units can be arranged in layers in the vertical direction, and the support columns of adjacent layers of support units are detachably connected one by one, the ladders correspond to each other in up and down directions, and the steps correspond to each other in up and down directions; the bottom ends of the support columns of the bottommost layer of support units are detachably connected to support legs.

[0006] Optionally, the top of the support column is provided with a first connecting structure, and the bottom of the support column is provided with a second connecting structure corresponding to the first connecting structure.

[0007] The top of the support leg is provided with a third connecting structure which has the same structure as the first connecting structure.

[0008] The second connecting structure can be detachably connected with the first connecting structure and can be detachably connected with the third connecting structure.

[0009] Optionally, the first connecting structure is that the top of the support column is provided with a first groove in the axial direction, and one side of the top of the support column is provided with a first through hole which penetrates to the other side.

[0010] The second connecting structure is that the bottom of the support column is provided with a second protrusion in the axial direction, and one side of the second protrusion is provided with a second through hole which penetrates to the other side.

[0011] The third connecting structure is that the top of the support leg is provided with a third groove in the axial direction, and one side of the top of the support leg is provided with a third through hole which penetrates to the other side.

[0012] The first groove and the second protrusion are matched, the first through hole and the second through hole are matched, the first groove and the third groove have the same structure, and the first through hole and the third through hole have the same structure.

[0013] The second protrusion is inserted into the third through hole, and the connecting pin passes through the second through hole and the third through hole to connect the support column and the support leg.

[0014] The second protrusion is inserted into the first through hole, and the connecting pin passes through the first through hole and the second through hole to connect the support columns between the adjacent support units.

[0015] Optionally, a handrail is further included, and the handrail is arranged between the top horizontal rod and the bottom horizontal rod which are parallel in the vertical direction.

[0016] Two ends of the handrail are detachably connected to the adjacent support columns, respectively.

[0017] Among them, three sides of the support unit of the bottom layer are provided with the handrail, and four sides of the support unit of other layers are provided with the handrail.

[0018] Optionally, a handrail is further included, and the handrail is arranged between the top horizontal rod and the bottom horizontal rod which are parallel in the vertical direction.

[0019] The rail comprises a first rod and a second rod, two ends of the first rod are respectively detachably connected to adjacent support columns, and two ends of the second rod are respectively detachably connected to adjacent first rods in a horizontal plane.

[0020] Among them, three sides of the support unit of the bottom layer are provided with the rail, and four sides of the support unit of other layers are all provided with the rail.

[0021] Optionally, the anti-falling net is further included, the side of the support unit provided with the rail is sealed with the anti-falling net, and the anti-falling net is detachably connected to the support column, the top cross rod and the bottom cross rod.

[0022] Optionally, the support unit further comprises a fixed hook, the fixed hook is an S-shaped hook, one end of the fixed hook is hooked on the rail, and the other end is used for hooking an article.

[0023] Optionally, the support foot comprises a pad plate and a connecting sleeve connected in sequence from bottom to top, and the top of the connecting sleeve is detachably connected to the bottom of the support column of the support unit.

[0024] Optionally, the movable plate assembly further comprises a guide rail, a fixed plate and a push-pull plate, the fixed plate is fixedly laid between the top surrounding frames and corresponds to the position of the step plate in the vertical direction, two guide rails are fixedly arranged on two opposite top cross rods, two ends of the push-pull plate are connected to the two slide rails, respectively, and the push-pull plate can be moved along the length direction of the slide rail to overlap the push-pull plate and the fixed plate in the vertical direction or to jointly close the top surrounding frame.

[0025] Optionally, the ladder comprises a ladder frame and a plurality of ladder plates, the ladder frame is arranged obliquely, one end of the ladder frame is detachably connected to the bottom cross rod on one side, and the other end is detachably connected to the top cross rod on the opposite side, and a plurality of ladder plates are fixedly arranged on the upper surface of the ladder frame along the length direction of the ladder frame.

[0026] Compared with the prior art, the scaffold of the embodiment of the present application has the following beneficial effects:

[0027] The bottom frame of the support unit is paved with a stepping plate and is provided with a ladder in a slanting manner, and the stepping plate and the ladder are staggered in the vertical direction, so that workers can work on the stepping plate and the ladder, thereby enabling the workers to work around and at various heights in the support unit, and even a single support unit can be used for construction, which is convenient for construction; the support columns of the support units of adjacent layers are detachably connected one by one, the function of quickly connecting into a scaffold of different heights can be realized, the disassembly and assembly efficiency is high, and the bottom of the support column of the bottommost support unit is detachably connected with a support foot to provide stable support and non-fixed connection to the ground, and the moving efficiency is high. BRIEF DESCRIPTION OF DRAWINGS

[0028] Fig. 1 Structure diagram of the present application Fig. 1 .

[0029] Fig. 2 Structure diagram of the present application Fig. 2 .

[0030] Fig. 3 Connection between support columns

[0031] Fig. 4 Cross-sectional view of the connection between the support column and the support foot

[0032] Reference signs: 1, support column; 2, fixed hook; 3, railing; 31, first rod; 32, second rod; 41, top cross rod; 42, bottom cross rod; 5, stepping plate; 6, support foot; 7, ladder; 71, ladder frame; 72, ladder plate; 8, movable plate assembly; 81, push-pull plate; 82, fixed plate; 9, connecting bolt DETAILED DESCRIPTION

[0033] The specific embodiments of the present application will be further described in detail below in combination with the drawings and examples. The following examples are used to illustrate the present application, but are not used to limit the scope of the present application.

[0034] In the description of the present application, it should be understood that the terms "top", "bottom", "inner", "outer", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the present application and simplify the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0035] In addition, the terms "first", "second", etc. are used only for the purpose of description and should not be understood as indicating or implying relative importance or a specific number of technical features indicated. Therefore, the features defined as "first", "second", etc. can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise explicitly and specifically limited.

[0036] As shown in Figs. 1 to 4 A scaffold of the present application comprises a support unit, which comprises a support frame, a ladder 7, a step 5 and a support leg 6; the support frame comprises support columns 1, a top crossbar 41 and a bottom crossbar 42, four of the support columns 1 are arranged in a rectangular array, the top crossbar 41 connects the top ends of the four support columns 1 and forms a top frame, and the bottom crossbar 42 connects the bottom ends of the four support columns 1 and forms a bottom frame; the ladder 7 is arranged inside the support frame and is inclined, the top end of the ladder 7 is connected to one of the top crossbars 41, and the bottom end of the ladder 7 is connected to one of the bottom crossbars 42; the step 5 and the ladder 7 are staggered in the vertical direction and are laid on the bottom frame; a plurality of the support units can be arranged in the vertical direction in layers, and the support columns 1 of the support units of adjacent layers are detachably connected one by one, the ladders 7 correspond to each other in up and down, and the steps 5 correspond to each other in up and down; the bottom ends of the support columns 1 of the support units in the bottom layer are detachably connected to the support legs 6.

[0037] In the above technical solution, the detachable connection between adjacent support units is specifically achieved by detachable connection between the top of the support column 1 of the lower support unit and the bottom of the support column 1 of the upper support unit, so that the scaffold can be quickly disassembled or the construction range assisted by the scaffold can be increased by disassembling or adding support units, and the disassembly efficiency is high; the bottom of the support column 1 of the bottommost support unit is detachably connected with a support foot 6, the support foot 6 contacts the surface of the ship through the bottom to support each support unit, the support performance is stable, further, the support performance can be increased by increasing the bottom surface of the support foot 6, and the support foot 6 is not connected to the surface of the ship by a fixed mode such as welding or expansion bolt which is difficult to disassemble, so that the scaffold is easy to move and the moving efficiency is high, but if a special situation such as storm or sea wave is encountered, the bottom of the support foot 6 can also be welded to the surface of the ship to increase the connection strength and support performance; in addition, the bottom frame is paved with a step 7, and the step 7 is inclined and staggered in the vertical direction, so that workers can perform construction on the step 7 and the step 7, and workers can perform construction in the support unit and at each height of the support unit, and even a single support unit can be used for construction, which has the characteristics of convenient construction; in addition, the difference between the bottommost support unit and the support units of the remaining layers is that the bottom of the support column 1 of the bottommost support unit is used to connect the support foot 6 to support the entire scaffold, the top of the support column 1 of the bottommost support unit is used to connect the bottom of the support column 1 of the adjacent layer, and the top and bottom of the support column 1 of the support units of the other layers are used to connect the adjacent support units; further, the bottom frame of the bottommost support unit can increase the paving of the closure plate to the lower surface of the step 7 to completely close the vacancy of the bottom frame; further, in order to ensure the strength of the support unit, the horizontal rod and the support column 1 are connected by welding.

[0038] Further, the top of the support column 1 is provided with a first connecting structure, the bottom of the support column 1 is provided with a second connecting structure corresponding to the first connecting structure; the top of the support foot 6 is provided with a third connecting structure with the same structure as the first connecting structure; the second connecting structure can be detachably connected with the first connecting structure and can be detachably connected with the third connecting structure; the first connecting structure and the second connecting structure can detachably connect the adjacent support units of the layers, so that the structures of the support units of each layer are similar, and the versatility of each component is strong.

[0039] Further, the connecting pin 9 is further included, the first connecting structure is that the top of the support column 1 is provided with a first groove in the axial direction, one side of the top of the support column 1 is provided with a first through hole penetrating to the other side, and the first through hole is communicated with the first groove; the second connecting structure is that the bottom of the support column 1 is provided with a second protrusion in the axial direction, one side of the second protrusion is provided with a second through hole penetrating to the other side; the third connecting structure is that the top of the support leg 6 is provided with a third groove in the axial direction, one side of the top of the support leg 6 is provided with a third through hole penetrating to the other side, and the third through hole is communicated with the third groove; the first groove and the second protrusion are matched, the first through hole and the second through hole are matched, the first groove and the third groove are the same in structure, and the first through hole and the third through hole are the same in structure; the second protrusion is inserted into the third through hole, the connecting pin 9 passes through the second through hole and the third through hole to connect the support column 1 and the support leg 6; the second protrusion is inserted into the first through hole, and the connecting pin 9 passes through the first through hole and the second through hole to connect the support column 1 between the support units of adjacent layers; wherein the connecting pin 9 simultaneously passes through the support columns 1 of adjacent support units to fixedly connect the adjacent support units, and the adjacent support units can be quickly disassembled by pulling out the connecting pin 9; further, the first through hole, the second through hole and the third through hole can be provided with internal threads, the connecting pin 9 can be provided with external threads, and the connecting pin 9 can be screwed into the first through hole, the second through hole or the third through hole to prevent the connecting pin 9 from being pulled out, or connectors are arranged at both ends of the connecting pin 9 to prevent the connecting pin 9 from being pulled out.

[0040] Further, the handrail 3 is further included, the handrail 3 is arranged between the top cross rod 41 and the bottom cross rod 42 arranged in parallel in the vertical direction; both ends of the handrail 3 are detachably connected to adjacent support columns 1 respectively, or the handrail 3 includes a first rod 31 and a second rod 32, both ends of the first rod 31 are detachably connected to adjacent support columns 1 respectively, and both ends of the second rod 32 are detachably connected to adjacent first rods 31 in the horizontal plane respectively; wherein three sides of the support unit of the bottom layer are provided with the handrail 3, and four sides of the support unit of other layers are provided with the handrail 3; wherein three sides of the support unit of the bottom layer are provided with the handrail 3, and four sides of the support unit of other layers are provided with the handrail 3; the handrail 3 is used to improve the safety of construction and make the stability stronger, and is arranged to be flexible in disassembly and assembly, the support unit of the bottom layer is only provided with the handrail 3 on three sides, and one side is not provided with the handrail 3 to facilitate workers to enter the support unit.

[0041] Further, the support unit is provided with a fall-preventing net, the side of the rail 3 is sealed by the fall-preventing net, the fall-preventing net is detachably connected to the support column 1, the top horizontal rod 41 and the bottom horizontal rod 42, and is used to prevent the worker from falling out of the scaffold from the gap between the rails 3 and the gap between the rail 3 and the horizontal rod.

[0042] Further, the support unit is provided with a fixed hook 2, the fixed hook 2 is an S-shaped hook, one end of the fixed hook 2 is hooked on the rail 3, and the other end is used to hook an article, wherein the article specifically includes tools, cables, various equipment and consumables.

[0043] Further, the support foot 6 includes a pad and a connecting sleeve connected in sequence from bottom to top, the top of the connecting sleeve is detachably connected to the bottom of the support column 1 of the bottommost support unit, the contact area with the ship can be increased by increasing the area of the pad, thereby enhancing the support performance and stability of the support foot 6, and the bottom of the pad can be provided with a rubber pad to reduce the influence of the uneven surface of the ship and the non-coplanar bottom surface of each pad.

[0044] Further, the support unit is provided with a fall-preventing net, the side of the rail 3 is sealed by the fall-preventing net, the fall-preventing net is detachably connected to the support column 1, the top horizontal rod 41 and the bottom horizontal rod 42, and is used to prevent the worker from falling out of the scaffold from the gap between the rails 3 and the gap between the rail 3 and the horizontal rod.

[0045] Further, the ladder 7 comprises a ladder frame 71 and a plurality of ladder boards 72, the ladder frame 71 is arranged in an inclined manner, one end of the ladder frame 71 is detachably connected to the bottom cross bar 42 on one side, and the other end is detachably connected to the top cross bar 41 on the opposite side, and a plurality of ladder boards 72 are fixedly arranged on the upper surface of the ladder frame 71 along the length direction of the ladder frame 71, thus the heights of the ladder boards 72 are different, so that workers can be located on the ladder boards 72 to perform construction, and the construction is convenient.

[0046] Further, the specific connection mode of fixed arrangement and fixed connection refers to the relative position relationship between the two components that can be fixedly connected, including fixed by a connecting piece, fixed by welding, fixed by an adhesive, fixed by one-piece molding, and fixed by buckle connection.

[0047] Further, the specific connection mode of detachable connection refers to that the two components connected can be repeatedly and multiple times disassembled without damage or severe deformation, including fixed by a connecting piece, fixed by buckle connection, and fixed by fastener clamping connection.

[0048] Further, the sliding connection refers to that one component can slide on another component along a fixed track, including connection by sliding a sliding block into a sliding groove, and connection by inserting a sliding rod into a hole matched in size and profile.

[0049] Further, the connecting piece includes a fastener, a strap, a binding rope, a pneumatic connecting element, a hydraulic connecting element, a flange plate, a magic tape, and a button, and the connecting bolt also belongs to one of the connecting pieces.

[0050] In summary, the embodiment of the present application provides a scaffold, and the technical effects are as follows:

[0051] The bottom frame of the support unit is paved with a stepping plate, and the stepping plate is arranged in an inclined manner and the stepping plate and the ladder are staggered in the vertical direction, so that workers can be located on the stepping plate and the ladder to perform construction, and workers can perform construction around and at each height of the support unit, and even a single support unit can be used for construction, which is convenient for construction; the support columns of the support units of adjacent layers are detachably connected one by one, the function of quickly connecting the scaffold of different heights can be realized, the disassembly and assembly efficiency is high, and the bottom of the support column of the support unit of the bottom layer is detachably connected with a support foot to provide stable support and non-fixed connection to the ground, and the moving efficiency is high.

[0052] The above only describes the preferred embodiments of the present application, and it should be noted that for ordinary skilled persons in the technical field, some improvements and replacements can be made without departing from the technical principles of the present application, and these improvements and replacements should also be regarded as the protection scope of the present application.

Claims

1. A type of scaffolding, characterized in that, The system includes a support unit comprising a support frame, a staircase (7), a tread (5), and a support foot (6); the support frame comprises a support column (1), a top crossbar (41), and a bottom crossbar (42); the four support columns (1) are arranged in a rectangular array; the top crossbar (41) connects the top ends of the four support columns (1) to form a top frame; the bottom crossbar (42) connects the bottom ends of the four support columns (1) to form a bottom frame; the staircase (7) is located inside the support frame and is inclined; the top end of the staircase (7) is connected to one of the top crossbars (41); the bottom end of the staircase (7) is connected to one of the bottom crossbars (42); the tread (5) and the staircase (7) are staggered in the vertical direction and laid on the bottom frame; Multiple support units are stacked vertically, and the support columns (1) of the support units in adjacent layers are detachably connected in a one-to-one correspondence. The steps (7) are vertically aligned, and the treads (5) are vertically aligned. The bottom ends of the support columns (1) of the bottom support unit are detachably connected to support feet (6). The top of the support column (1) is provided with a first connecting structure, and the bottom of the support column (1) is provided with a second connecting structure corresponding to the first connecting structure; The top of the support leg (6) is provided with a third connection structure that has the same structure as the first connection structure; The second connection structure is detachably connected to the first connection structure, and is also detachably connected to the third connection structure; It also includes a connecting pin (9), the first connecting structure is: the top of the support column (1) is provided with a first groove along the axial direction, and the outer wall of one side of the top of the support column (1) is provided with a first through hole that extends to the outer wall of the other side, and the first through hole is connected to the first groove. The second connection structure is as follows: the bottom of the support column (1) is provided with a second protrusion along the axial direction, and the outer wall of one side of the second protrusion is provided with a second through hole that extends to the outer wall of the other side; The third connection structure is as follows: the top of the support foot (6) is provided with a third groove along the axial direction, and one side of the outer wall of the top of the support foot (6) is provided with a third through hole that extends to the other side of the outer wall. The third through hole is connected to the third groove. The first groove and the second protrusion are adapted to each other, the first through hole and the second through hole are adapted to each other, the first groove and the third groove have the same structure, and the first through hole and the third through hole have the same structure. The second protrusion is inserted into the third through hole, and the connecting pin (9) passes through the second through hole and the third through hole to connect the support column (1) and the support foot (6). The second protrusion is inserted into the first through hole, and the connecting pin (9) passes through the first through hole and the second through hole to connect the support column (1) between the support units of the adjacent layers.

2. The scaffolding according to claim 1, characterized in that, It also includes a railing (3), which is arranged between the top horizontal bar (41) and the bottom horizontal bar (42) that are parallel in the vertical direction; The two ends of the railing (3) are detachably connected to the adjacent support column (1); The bottommost support unit has railings (3) on three sides, while the other support units have railings (3) on all four sides.

3. The scaffolding according to claim 1, characterized in that, It also includes a railing (3), which is arranged between the top horizontal bar (41) and the bottom horizontal bar (42) that are parallel in the vertical direction; The railing (3) includes a first rail (31) and a second rail (32). The two ends of the first rail (31) are detachably connected to the adjacent support column (1), and the two ends of the second rail (32) are detachably connected to the first rail (31) adjacent to it on the horizontal plane. The bottommost support unit has railings (3) on three sides, while the other support units have railings (3) on all four sides.

4. The scaffolding according to claim 2 or 3, characterized in that, It also includes a fall protection net, and the side of the railing (3) on the support unit is covered with the fall protection net. The fall protection net is detachably connected to the support column (1), the top crossbar (41) and the bottom crossbar (42).

5. The scaffolding according to claim 2 or 3, characterized in that, The support unit also includes a fixed hook (2), which is an S-shaped hook. One end of the fixed hook (2) is hooked to the railing (3), and the other end is used to hook an item.

6. The scaffolding according to claim 1, characterized in that, The support foot (6) includes a pad and a connecting sleeve connected sequentially from bottom to top, and the top of the connecting sleeve is detachably connected to the bottom of the support column (1) of the support unit.

7. The scaffolding according to claim 1, characterized in that, It also includes a movable plate assembly (8), which includes a guide rail, a fixed plate (82) and a push-pull plate (81). The fixed plate (82) is fixedly laid between the top frames and corresponds to the position of the pedal (5) in the vertical direction. The two guide rails are respectively fixedly installed on the two opposite top crossbars (41). The two ends of the push-pull plate (81) are respectively connected to the two slide rails. The push-pull plate (81) can move along the length of the slide rail until the push-pull plate (81) and the fixed plate (82) overlap in the vertical direction or the push-pull plate (81) and the fixed plate (82) together close the top frame.

8. The scaffolding according to claim 1, characterized in that, The ladder (7) includes a ladder frame (71) and multiple ladder plates (72). The ladder frame (71) is inclined. One end of the ladder frame (71) is detachably connected to the bottom crossbar (42) on one side, and the other end is detachably connected to the top crossbar (41) on the opposite side. Multiple ladder plates (72) are fixedly arranged at intervals on the top of the ladder frame (71) along the length direction of the ladder frame (71).

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