Adjustable scaffold for constructional engineering

Abstract

The adjustable scaffold for the constructional engineering comprises a scaffold base, a first driving device is fixedly installed on one side of the scaffold base, the output end of the first driving device is in transmission connection with a first bidirectional threaded rod, and the two sides of the outer side wall of the first bidirectional threaded rod are both in threaded connection with movable plates; the two sides of the two moving plates are fixedly connected with driving racks, four sliding grooves are formed in the inner wall of the scaffold base, and the inner walls of the four sliding grooves are slidably connected with the outer side walls of the four driving racks correspondingly. By starting the first driving device, the two movable plates on the first bidirectional threaded rod get close to each other, the four driving racks slide in the sliding grooves, the four L-shaped supporting frames in the base slide out, the supporting area between the scaffold and the ground is increased when the scaffold is used, and the scaffold is simple in structure, convenient to operate and high in practicability. The fixing time of the supporting assembly is shortened, and therefore the construction efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of scaffolds, in particular to an adjustable scaffold for construction engineering. Background Art

[0002] Scaffolding is a system of various supports set up to provide construction workers with an operating platform and facilitate horizontal transportation. It is not only used to support the work of construction workers, but also undertakes multiple functions such as the movement, storage, and support of materials. Therefore, scaffolding is used in the process of construction projects.

[0003] In the prior art, for example, Chinese patent CN109610798A discloses a scaffolding with adjustable height for construction projects, which is easy to move and includes a protective cover; the longitudinal column is a round tube structure, which is welded between the upper columns in the front and rear directions at two locations; the square frame is welded by three square tubes and is welded to the bottom side of the middle section of the front horizontal column; the hanging ladder consists of a hook, a vertical rib and a horizontal rib, which are hooked on the square frame; there are two supporting ribs, which are welded to the bottom side of the standing board, and the two ends are bent upward by 90 degrees and welded to the left and right side surfaces of the standing board, and bent outward to form hooks.

[0004] At present, most scaffolds are equipped with support components around them to improve stability and prevent them from falling over. However, when unfolding them, workers are required to unfold and fix them one by one. This method is time-consuming and labor-intensive, affects the efficiency of engineering construction, and is therefore inconvenient to use. Utility Model Content

[0005] The purpose of the utility model is to provide an adjustable scaffold for construction engineering to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an adjustable scaffold for construction engineering, comprising a scaffold base, a driving device 1 is fixedly installed on one side of the scaffold base, the output end of the driving device 1 is transmission-connected with a bidirectional threaded rod 1, both sides of the outer wall of the bidirectional threaded rod 1 are threadedly connected with movable plates, both sides of the two movable plates are fixedly connected with driving racks, the inner wall of the scaffold base is provided with four sliding grooves, the inner walls of the four sliding grooves are respectively slidably connected with the outer walls of the four driving racks, one side of the four driving racks are meshed with driven gears, the inside of the scaffold base is slidably connected with four L-shaped support frames, one side of the four L-shaped support frames is fixedly connected with driven racks, and one side of the four driven racks is meshed with one side of the four driven gears.

[0007] As a further preferred embodiment of the present technical solution, the lower ends of the two movable plates are rotatably connected to two pulling rods, the two sides of the lower end of the scaffolding base are rotatably connected to two rotating frames, one side of the inner wall of the four rotating frames is rotatably connected to one end of the four pulling rods respectively, one side of the four rotating frames is fixedly installed with rollers, and the four corners of the lower end of the scaffolding base are fixedly connected with supporting feet.

[0008] As a further preferred embodiment of the present technical solution, storage racks are fixedly connected to both sides of the upper end of the scaffolding base and near the edge, one side of one of the storage racks is fixedly installed with a driving device 2, the output end of the driving device 2 is transmission-connected with a two-way threaded rod 2, both sides of the outer side walls of the two-way threaded rod 2 are threadedly connected with moving blocks, one side of the two moving blocks is rotatably connected with a pushing rod, the inner walls of the two storage racks are slidably connected with telescopic racks, and one end of the two pushing rods is rotatably connected to one side of the two telescopic racks respectively.

[0009] As a further preferred embodiment of the present technical solution, a workbench is arranged above the scaffolding base, both sides of the lower end of the workbench are respectively fixedly connected to the upper ends of the two telescopic frames, and a plurality of guardrails are fixedly connected to the upper end of the workbench.

[0010] As a further preferred embodiment of the present technical solution, a guide rod is provided inside the scaffolding base, both ends of the guide rod are fixedly connected to the inner wall of the scaffolding base, and both sides of the outer wall of the guide rod are slidably connected to the inner walls of the two movable plates respectively.

[0011] As a further preferred embodiment of the present technical solution, a ladder is fixedly connected to one side of the workbench, and one side of the ladder is slidably connected to one side of the scaffolding base.

[0012] As a further preferred embodiment of the present technical solution, a sliding rod is fixedly connected between the two storage racks, and both sides of the outer side wall of the sliding rod are respectively slidably connected to the inner walls of the two moving blocks.

[0013] The utility model provides an adjustable scaffold for construction engineering, which has the following beneficial effects:

[0014] (1) The utility model turns on a driving device 1 to move two movable plates on a bidirectional threaded rod 1 closer to each other, so that four driving racks slide in the sliding grooves and four L-shaped support frames in the base slide out, thereby increasing the support area of ​​the scaffolding with the ground when in use. This structure is simple, easy to operate, and reduces the fixing time of the support components, thereby improving construction efficiency.

[0015] (2) The utility model turns on the second driving device to move the two moving blocks on the second bidirectional threaded rod away from each other, so that the push rod slides the telescopic frame from the storage frame, thereby adjusting the construction position of the workbench, allowing the scaffold to be adjusted and raised, thereby improving the practicality of the scaffold. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of the utility model from a first perspective;

[0017] Figure 2 This is a schematic diagram of the structure of the utility model from a second viewing angle;

[0018] Figure 3 This is a schematic diagram of the connection relationship between the storage rack and the telescopic rack in the utility model;

[0019] Figure 4 It is a partial cross-sectional structural diagram of the scaffolding base in the utility model;

[0020] Figure 5 for Figure 4 A partial enlarged schematic diagram of the middle A area;

[0021] In the figure: 1. scaffolding base; 2. L-shaped support frame; 3. driving device 1; 4. two-way threaded rod 1; 5. moving plate; 6. sliding groove; 7. driving rack; 8. driven gear; 9. driven rack; 10. workbench; 11. guardrail; 12. ladder; 13. storage rack; 14. telescopic rack; 15. two-way threaded rod 2; 16. moving block; 17. pushing rod; 18. rotating frame; 19. roller; 20. pulling rod; 21. supporting foot; 22. driving device 2; 23. guide rod; 24. sliding rod. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0023] The utility model provides a technical solution: Figure 1 - Figure 5As shown, in this embodiment, an adjustable scaffold for construction engineering includes a scaffold base 1, a driving device 3 is fixedly installed on one side of the scaffold base 1, a bidirectional threaded rod 4 is transmission-connected to the output end of the driving device 3, both sides of the outer wall of the bidirectional threaded rod 4 are threadedly connected with moving plates 5, both sides of the two moving plates 5 are fixedly connected with driving racks 7, the inner wall of the scaffold base 1 is provided with four sliding grooves 6, the inner walls of the four sliding grooves 6 are respectively slidably connected to the outer walls of four driving racks 7, and one side of the four driving racks 7 is meshed with a driven gear 8. Four L-shaped support frames 2 are slidably connected inside the scaffolding base 1, and one side of the four L-shaped support frames 2 is fixedly connected to a driven rack 9, one side of the four driven racks 9 is meshed with one side of four driven gears 8, and by turning on the driving device 1 3, the two movable plates 5 on the two-way threaded rod 1 4 are brought close to each other, so that the four driving racks 7 slide in the sliding groove 6, and the four L-shaped support frames 2 in the base are slid out, thereby increasing the supporting area of ​​the scaffolding with the ground when in use. This structure is simple, easy to operate, and reduces the fixing time of the support components, thereby improving construction efficiency.

[0024] like Figure 1 , Figure 2 and Figure 4 As shown, the lower ends of the two movable plates 5 are rotatably connected to two pulling rods 20, and the lower ends of the scaffolding base 1 are rotatably connected to two rotating frames 18. One side of the inner wall of the four rotating frames 18 is rotatably connected to one end of the four pulling rods 20 respectively, and one side of the four rotating frames 18 is fixedly installed with rollers 19. The four corners of the lower end of the scaffolding base 1 are fixedly connected with supporting feet 21. During the movement of the two movable plates 5, the pulling rods 20 are pulled to move, and the two pulling rods 20 respectively drive the two rotating frames 18 to rotate, so that the rollers 19 shrink, and the supporting feet 21 support the scaffolding base 1, thereby facilitating the fixation of the scaffolding, wherein the bottom of the supporting feet 21 is horizontal with the bottom of the L-shaped supporting frame 2.

[0025] like Figure 1 - Figure 3As shown, storage racks 13 are fixedly connected to both sides of the upper end of the scaffolding base 1 and near the edge, one side of one of the storage racks 13 is fixedly installed with a driving device 22, the output end of the driving device 22 is transmission-connected with a two-way threaded rod 15, both sides of the outer wall of the two-way threaded rod 15 are threadedly connected with moving blocks 16, one side of the two moving blocks 16 is rotatably connected with a pushing rod 17, the inner walls of the two storage racks 13 are slidably connected with telescopic racks 14, one end of the two pushing rods 17 is rotatably connected to one side of the two telescopic racks 14, respectively, by turning on the driving device 22, the two moving blocks 16 on the two-way threaded rod 15 are moved away from each other, so that the pushing rod 17 slides the telescopic rack 14 from the storage rack 13, thereby adjusting the construction position of the workbench 10, so that the scaffolding can be adjusted to rise and fall, thereby improving the practicality of the scaffolding.

[0026] like Figure 1 and Figure 2 As shown, a workbench 10 is arranged above the scaffolding base 1, and both sides of the lower end of the workbench 10 are fixedly connected to the upper ends of two telescopic frames 14 respectively, and a plurality of guardrails 11 are fixedly connected to the upper end of the workbench 10, which can prevent workers from falling from a height.

[0027] like Figure 2 and Figure 4 As shown, a guide rod 23 is provided inside the scaffolding base 1, and both ends of the guide rod 23 are fixedly connected to the inner wall of the scaffolding base 1, and both sides of the outer wall of the guide rod 23 are slidably connected to the inner walls of the two movable plates 5 respectively. The sliding direction of the movable plate 5 can be limited by the guide rod 23, and the service life of the driving rack 7 can be improved.

[0028] like Figure 1 As shown, a ladder 12 is fixedly connected to one side of the workbench 10 , and one side of the ladder 12 is slidably connected to one side of the scaffold base 1 , so that workers can easily climb into the workbench 10 through the ladder 12 .

[0029] like Figure 1 - Figure 3 As shown, a sliding rod 24 is fixedly connected between the two storage racks 13 , and both sides of the outer wall of the sliding rod 24 are slidably connected to the inner walls of the two moving blocks 16 respectively, and the sliding direction of the moving blocks 16 is limited by the sliding rod 24 .

[0030] The utility model provides an adjustable scaffold for construction engineering, and the specific working principle is as follows:

[0031] When using the scaffold, first move the scaffold to the construction position, turn on the driving device 1 3, make the two moving plates 5 on the two-way threaded rod 1 4 approach each other, make the four driving racks 7 slide in the sliding groove 6, and slide out the four L-shaped support frames 2 in the base, so that the support area between the bottom of the scaffold and the ground is increased, and the pulling rod 20 is pulled to move during the movement of the two moving plates 5. The two pulling rods 20 respectively drive the two rotating frames 18 to rotate, so that the rollers 19 shrink, and the supporting feet 21 support the scaffold base 1. The staff climbs onto the workbench 10 through the ladder 12 to carry out construction. When construction is carried out at a high place, the staff turns on the driving device 2 22 to make the two moving blocks 16 on the two-way threaded rod 15 move away from each other, so that the pushing rod 17 slides the telescopic frame 14 from the storage frame 13, and adjusts the construction position of the workbench 10.

[0032] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An adjustable scaffold for construction engineering, comprising a scaffold base (1), characterized in that: A driving device (3) is fixedly installed on one side of the scaffolding base (1); the output end of the driving device (3) is transmission-connected with a bidirectional threaded rod (4); both sides of the outer wall of the bidirectional threaded rod (4) are threadedly connected with a moving plate (5); both sides of the two moving plates (5) are fixedly connected with a driving rack (7); the inner wall of the scaffolding base (1) is provided with four sliding grooves (6); the inner walls of the four sliding grooves (6) are respectively slidably connected with the outer walls of the four driving racks (7); one side of the four driving racks (7) is meshed with a driven gear (8); the inside of the scaffolding base (1) is slidably connected with four L-shaped support frames (2); one side of the four L-shaped support frames (2) is fixedly connected with a driven rack (9); one side of the four driven racks (9) is meshed with one side of the four driven gears (8).

2. The adjustable scaffold for construction engineering according to claim 1, characterized in that: The lower ends of the two movable plates (5) are rotatably connected to two pulling rods (20), the lower ends of the scaffolding base (1) are rotatably connected to two rotating frames (18) on both sides, the inner walls of the four rotating frames (18) are rotatably connected to one end of the four pulling rods (20) respectively, one side of the four rotating frames (18) is fixedly mounted with a roller (19), and the four corners of the lower end of the scaffolding base (1) are fixedly connected to supporting feet (21).

3. The adjustable scaffold for construction engineering according to claim 1, characterized in that: Storage racks (13) are fixedly connected to both sides of the upper end of the scaffolding base (1) and near the edge, one side of one of the storage racks (13) is fixedly installed with a second driving device (22), the output end of the second driving device (22) is transmission-connected with a second bidirectional threaded rod (15), both sides of the outer wall of the second bidirectional threaded rod (15) are threadedly connected with moving blocks (16), one side of the two moving blocks (16) is rotatably connected with a pushing rod (17), the inner walls of the two storage racks (13) are slidably connected with telescopic racks (14), and one end of the two pushing rods (17) is rotatably connected to one side of the two telescopic racks (14) respectively.

4. The adjustable scaffold for construction engineering according to claim 3, characterized in that: A workbench (10) is arranged above the scaffolding base (1), and both sides of the lower end of the workbench (10) are respectively fixedly connected to the upper ends of the two telescopic frames (14), and a plurality of guardrails (11) are fixedly connected to the upper end of the workbench (10).

5. The adjustable scaffold for construction engineering according to claim 1, characterized in that: A guide rod (23) is arranged inside the scaffolding base (1), and both ends of the guide rod (23) are fixedly connected to the inner wall of the scaffolding base (1), and both sides of the outer wall of the guide rod (23) are respectively slidably connected to the inner walls of the two movable plates (5).

6. The adjustable scaffold for construction engineering according to claim 4, characterized in that: A ladder (12) is fixedly connected to one side of the workbench (10), and one side of the ladder (12) is slidably connected to one side of the scaffolding base (1).

7. The adjustable scaffold for construction engineering according to claim 3, characterized in that: A sliding rod (24) is fixedly connected between the two storage racks (13), and both sides of the outer wall of the sliding rod (24) are respectively slidably connected to the inner walls of the two moving blocks (16).

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