Foldable ladder stand for building construction

Abstract

The utility model discloses a foldable building construction ladder stand which comprises a cross rod, the bottom of the cross rod is fixedly connected with two sets of supporting rods, one side of each supporting rod is rotatably connected with a bent rod, one side of each bent rod and one side of each supporting rod are fixedly connected with a rotating bolt, the surface of each rotating bolt is rotatably connected with a rotating block, and the rotating block is fixedly connected with the bottom of the cross rod. And one end of the rotating block is fixedly connected with a fixing column, and the surface of the fixing column is rotationally connected with a steering block. According to the foldable building construction ladder stand, through the arrangement of the supporting assembly, when the ladder stand needs to be used, a steering block is pulled, so that a rotating block rotates on the surface of a rotating bolt, then a turncap is screwed, a threaded rod rotates in the steering block to adjust the supporting height, meanwhile, the steering block rotates on a fixing column, and a base is tightly attached to the ground; therefore, the effect of increasing the supporting area is achieved, the ladder stand is prevented from toppling due to left-right shaking when the ladder stand is used for operation, and the stability of the ladder stand is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of ladders, in particular to a foldable construction ladder. Background Art

[0002] Construction is a production activity in which people use various building materials and mechanical equipment to build various building products in a certain space and time according to a specific design blueprint. It includes the entire production process from construction preparation, groundbreaking to project completion acceptance. Construction is a technically complex production process that requires construction workers to use their ingenuity and creatively apply theories such as materials, mechanics, structure, and technology to solve technical problems that constantly arise in construction and ensure project quality and construction safety. A foldable construction ladder is a ladder equipment used at a construction site, which is foldable and movable. This type of ladder can be quickly transferred and adjusted between different heights and positions to meet the construction needs of different stages.

[0003] The existing foldable construction ladder is not convenient to increase the support area when it is actually used, so as to prevent the ladder from tilting due to swaying left and right when the ladder is used for operation, and improve the stability of the ladder.

[0004] After searching the existing patents: a shaft construction wiring external foldable ladder (publication number: CN216788268U), including a connecting seat, and two support rods symmetrically arranged on the top of the connecting seat, a plurality of cross bars are installed between the two support rods, a hook is installed on the top of the support rod, and a telescopic bearing device is provided on the inner side of the connecting seat. The utility model can be conveniently folded and stored as a whole through the arrangement of the support rod, the telescopic bearing device, the rotating shaft and the connecting seat, and is more convenient to carry to the underground operation. Through the arrangement of the telescopic bearing device, the limiting belt, the through hole, the first bolt and the second bolt, it is possible to stand on the telescopic bearing device when performing underground operations, avoiding the direct use of the traditional ladder as a standing platform, and the arrangement of the first bolt, the limiting belt, the second bolt and the through hole can limit the telescopic bearing device through the limiting belt in cooperation with the first bolt and the second bolt.

[0005] Although the above patent can facilitate the overall folding and storage, making it more convenient to carry to underground operations, avoiding the direct use of traditional ladders as standing platforms, and can limit the telescopic bearing device through the limiting belt in conjunction with the first bolt and the second bolt, it is not convenient for limiting and fixing, preventing the ladder from opening and falling to both sides when the bottom of the ladder is supported on a smooth ground, causing personal injury, thereby improving the safety of the ladder.

[0006] Therefore, it is necessary to invent a foldable building construction ladder to solve the above problems. Utility Model Content

[0007] The technical problems to be solved by the utility model are as follows: to provide a foldable construction ladder which is highly practical, can be easily operated and has a relatively simple structure, thereby solving the problems of inconvenience in increasing the supporting area and limiting and fixing the ladder in the above-mentioned background technology.

[0008] The purpose of the utility model can be achieved through the following technical solutions:

[0009] A foldable construction ladder comprises a cross bar, two groups of support bars are fixedly connected to the bottom of the cross bar, one side of the two groups of support bars are rotatably connected to a bent bar, one side of the bent bar and the support bar are fixedly connected to a rotating bolt, the surface of the rotating bolt is rotatably connected to a rotating block, one end of the rotating block is fixedly connected to a fixed column, the surface of the fixed column is rotatably connected to a steering block, the steering block is internally threadedly connected to a supporting assembly, one side of the bent bar is fixedly connected to a fixed plate, a lifting assembly is inserted into the fixed plate, and one side of the bent bar is fixedly connected to a limiting assembly.

[0010] As a further solution of the utility model: the support assembly includes a threaded rod threadedly connected to the inside of the steering block, the bottom of the threaded rod is fixedly connected to a base, the top of the threaded rod is fixedly connected to a screw cap, and the base is convenient for supporting on the ground.

[0011] As a further solution of the utility model: the lifting assembly includes a fixed sleeve inserted into the interior of the fixed plate, and the interior of the fixed sleeve is slidably connected with a telescopic rod, which is convenient for adjusting the height.

[0012] As a further solution of the utility model: the limit assembly includes a threaded column fixedly connected to one side of the bent rod, the surface of the threaded column is threadedly connected to a limit cap, and the surface of the threaded column is sleeved with a gasket, which is convenient for increasing the friction area.

[0013] As a further solution of the utility model: a movable bolt is fixedly connected to the surface of the support rod, and a sliding rod is rotatably connected to the surface of the movable bolt, and the sliding rod is convenient for support.

[0014] As a further solution of the utility model: a threaded hole is provided on the surface of the fixed sleeve, a threaded bolt is connected to the internal thread of the threaded hole, and a plurality of groups of limiting holes matching the threaded bolt are provided on the surface of the telescopic rod at equal intervals along the axial direction, and the limiting holes facilitate fixed limiting.

[0015] As a further solution of the utility model: a sliding groove adapted to the threaded column is provided on the surface of the sliding rod, and a screw cap facilitates personnel to rotate the threaded rod.

[0016] As a further solution of the utility model: a placement plate is sleeved on the top of the telescopic rod, a plurality of groups of pedals are fixedly connected to the inner walls of the support rod and the curved rod, and a plurality of groups of hooks are fixedly connected to one side of the placement plate, which are convenient for workers to place tools.

[0017] Beneficial effects of the utility model:

[0018] 1. The foldable construction ladder, through the setting of the support assembly, when the ladder is needed, pull the steering block to make the rotating block rotate on the surface of the rotating bolt, and then twist the screw cap to make the threaded rod rotate in the steering block to adjust the support height. At the same time, the steering block rotates on the fixed column to make the base close to the ground, thereby achieving the effect of increasing the support area, preventing the ladder from tilting due to shaking left and right when using the ladder, and improving the stability of the ladder.

[0019] 2. The foldable construction ladder is provided with a limit assembly. When the ladder is used, the bent rod is pulled to make the bent rod rotate on one side of the support rod, and then the slide rod rotates on the surface of the movable bolt, and the threaded column slides in the slide groove. When it reaches a suitable position, the limit cap is rotated to make the limit cap rotate on the surface of the threaded column, and the gasket is squeezed to fit the surface of the slide rod, thereby achieving a limit fixing effect, preventing the ladder from opening and falling to both sides when the bottom of the ladder is supported on a smooth ground, causing injuries to people, and improving the safety of the ladder.

[0020] 3. The foldable construction ladder, through the setting of the lifting component, can adjust the height of the hook as needed when work is needed, pull the telescopic rod to extend and retract in the fixed sleeve, and when it reaches the appropriate position, the threaded hole and the limit hole are aligned, and the threaded bolt is turned to limit and fix, thereby achieving the effect of adjusting the height of the hook, which is convenient for the staff to adjust the hook according to the construction needs, place and take tools, and improve the convenience of climbing the ladder. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The utility model is further described below in conjunction with the accompanying drawings.

[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0023] Figure 2 It is a schematic diagram of the split structure of the utility model;

[0024] Figure 3 It is a schematic diagram of the structure of the support assembly of the utility model;

[0025] Figure 4 This is a schematic diagram of the structure of the limit assembly of the utility model;

[0026] Figure 5 It is a schematic diagram of the structure of the lifting component of the utility model.

[0027] In the figure: 1. cross bar; 2. support bar; 3. bending bar; 4. rotating bolt; 5. rotating block; 6. fixed column; 7. steering block; 8. supporting assembly; 801. threaded rod; 802. base; 9. fixed plate; 10. lifting assembly; 1001. fixed sleeve; 1002. telescopic rod; 11. limiting assembly; 1101. threaded column; 1102. limiting cap; 1103. gasket; 12. movable bolt; 13. sliding rod; 14. threaded bolt; 15. screw cap; 16. placement plate; 17. hook; 18. pedal. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] like Figure 1-5 As shown, a foldable construction ladder comprises a cross bar 1, two groups of support bars 2 are fixedly connected at the bottom of the cross bar 1, one side of the two groups of support bars 2 are rotatably connected with a bent bar 3, one side of the bent bar 3 and the support bar 2 are fixedly connected with a rotating bolt 4, the surface of the rotating bolt 4 is rotatably connected with a rotating block 5, one end of the rotating block 5 is fixedly connected with a fixed column 6, the surface of the fixed column 6 is rotatably connected with a steering block 7, and the steering block 7 is internally threadedly connected with a supporting assembly 8. By setting the supporting assembly 8, the effect of increasing the supporting area is achieved, so as to prevent the ladder from shaking left and right when using the ladder. The tilting improves the stability of the ladder. A fixed plate 9 is fixedly connected to one side of the curved rod 3. A lifting assembly 10 is inserted into the interior of the fixed plate 9. The setting of the lifting assembly 10 can achieve the effect of adjusting the height of the hook 17, which is convenient for workers to adjust the hook 17 according to construction needs, place and take tools, and improve the convenience of the ladder. A limited position assembly 11 is fixedly connected to one side of the curved rod 3. The setting of the limited position assembly 11 achieves the effect of limited fixing, which prevents the ladder from opening and falling to both sides when the bottom of the ladder is supported on a smooth ground, causing injuries to personnel, and improves the safety of the ladder.

[0030] like Figure 3 As shown, the support assembly 8 includes a threaded rod 801 threadedly connected to the inside of the steering block 7, the bottom of the threaded rod 801 is fixedly connected to a base 802, and the top of the threaded rod 801 is fixedly connected to a screw cap 15. The base 802 is provided to support the ground.

[0031] like Figure 5As shown, the lifting assembly 10 includes a fixed sleeve 1001 inserted into the fixed plate 9, and a telescopic rod 1002 is slidably connected to the interior of the fixed sleeve 1001. The setting of the telescopic rod 1002 plays a role in adjusting the height;

[0032] like Figure 4 As shown, the limiting assembly 11 includes a threaded column 1101 fixedly connected to one side of the bending rod 3, the surface of the threaded column 1101 is threadedly connected to a limiting cap 1102, and the surface of the threaded column 1101 is sleeved with a gasket 1103. The setting of the gasket 1103 plays a role in increasing the friction area;

[0033] like Figure 2 As shown, the surface of the support rod 2 is fixedly connected with a movable bolt 12, and the surface of the movable bolt 12 is rotatably connected with a sliding rod 13, and the setting of the sliding rod 13 plays a supporting role;

[0034] like Figure 5 As shown, a threaded hole is provided on the surface of the fixed sleeve 1001, and a threaded bolt 14 is connected to the inner thread of the threaded hole. A plurality of groups of limiting holes matching the threaded bolt 14 are provided on the surface of the telescopic rod 1002 at equal intervals along the axial direction. The setting of the limiting holes plays a role of fixing and limiting.

[0035] like Figure 4 As shown, the surface of the slide rod 13 is provided with a slide groove adapted to the threaded column 1101, and the setting of the screw cap 15 plays a role in enabling a person to rotate the threaded rod 801;

[0036] like Figure 2 As shown, a placement plate 16 is sleeved on the top of the telescopic rod 1002, and the inner walls of the support rod 2 and the curved rod 3 are fixedly connected with a plurality of pedals 18, and a plurality of hooks 17 are fixedly connected to one side of the placement plate 16. The setting of the hooks 17 facilitates the placement of tools by the staff.

[0037] The working principle of the utility model is as follows: when it is necessary to use the ladder, pull the steering block 7 to make the rotating block 5 rotate on the surface of the rotating bolt 4, and then twist the screw cap 15 to make the threaded rod 801 rotate in the steering block 7 to adjust the support height. At the same time, the steering block 7 rotates on the fixed column 6 to make the base 802 close to the ground. When operation is needed, adjust the height of the hook 17 as needed, pull the telescopic rod 1002 to telescope in the fixed sleeve 1001, and when it reaches the appropriate position, the threaded hole and the limiting hole are aligned, and the threaded bolt 14 is twisted to limit and fix. When using the ladder for operation, pull the bent rod 3 to make the bent rod 3 rotate on one side of the support rod 2, and then the sliding rod 13 rotates on the surface of the movable bolt 12, and the threaded column 1101 slides in the slide groove. When it reaches the appropriate position, rotate the limiting cap 1102 to make the limiting cap 1102 rotate on the surface of the threaded column 1101, and squeeze the gasket 1103 to close to the surface of the sliding rod 13.

[0038] The above is a detailed description of an embodiment of the utility model, but the content is only a preferred embodiment of the utility model and cannot be considered to limit the scope of implementation of the utility model. All equivalent changes and improvements made within the scope of application of the utility model should still fall within the scope of the patent coverage of the utility model.

Claims

1. A foldable construction ladder, comprising a crossbar (1), characterized in that: The bottom of the cross bar (1) is fixedly connected to two groups of support bars (2), one side of the two groups of support bars (2) is rotatably connected to a bent bar (3), one side of the bent bar (3) and the support bar (2) is fixedly connected to a rotating bolt (4), the surface of the rotating bolt (4) is rotatably connected to a rotating block (5), one end of the rotating block (5) is fixedly connected to a fixed column (6), the surface of the fixed column (6) is rotatably connected to a steering block (7), the steering block (7) is internally threadedly connected to a support assembly (8), one side of the bent bar (3) is fixedly connected to a fixed plate (9), the interior of the fixed plate (9) is plugged with a lifting assembly (10), and one side of the bent bar (3) is fixedly connected to a limiting assembly (11).

2. A foldable construction ladder according to claim 1, characterized in that: The support assembly (8) comprises a threaded rod (801) threadedly connected to the inside of the steering block (7); the bottom of the threaded rod (801) is fixedly connected to a base (802); and the top of the threaded rod (801) is fixedly connected to a screw cap (15).

3. A foldable construction ladder according to claim 1, characterized in that: The lifting assembly (10) comprises a fixed sleeve (1001) inserted into the interior of the fixed plate (9), and a telescopic rod (1002) is slidably connected to the interior of the fixed sleeve (1001).

4. A foldable construction ladder according to claim 1, characterized in that: The limiting assembly (11) comprises a threaded column (1101) fixedly connected to one side of the bent rod (3), the surface of the threaded column (1101) being threadedly connected to a limiting cap (1102), and the surface of the threaded column (1101) being sleeved with a gasket (1103).

5. The foldable construction ladder according to claim 1, characterized in that: A movable bolt (12) is fixedly connected to the surface of the support rod (2), and a sliding rod (13) is rotatably connected to the surface of the movable bolt (12).

6. A foldable construction ladder according to claim 3, characterized in that: The surface of the fixed sleeve (1001) is provided with a threaded hole, the internal thread of the threaded hole is connected with a threaded bolt (14), and the surface of the telescopic rod (1002) is provided with a plurality of groups of limiting holes that are equidistantly spaced along the axial direction and are compatible with the threaded bolt (14).

7. The foldable construction ladder according to claim 5, characterized in that: The surface of the sliding rod (13) is provided with a sliding groove matched with the threaded column (1101).

8. The foldable construction ladder according to claim 3, characterized in that: The top of the telescopic rod (1002) is sleeved with a placement plate (16), the inner side walls of the support rod (2) and the curved rod (3) are fixedly connected with a plurality of pedals (18), and one side of the placement plate (16) is fixedly connected with a plurality of hooks (17).

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