Attached lifting scaffold guide rail

Abstract

The utility model relates to the technical field of attached lifting scaffolds, and particularly discloses an attached lifting scaffold guide rail which comprises a rectangular steel pipe, two steel channels are fixedly connected to the outer wall of the rectangular steel pipe, idler wheels are movably arranged in the two steel channels, and two sliding rods are fixedly connected to the left end face and the right end face of each steel channel. U-shaped steel plates are slidably connected to the outer walls of the four sliding rods located on the same side, a connecting shaft is fixedly connected to the interior of the rectangular steel pipe, a gear is rotatably connected to the outer wall of the connecting shaft, spur racks are fixedly connected to the opposite outer walls of the two U-shaped steel plates, and the two spur racks extend into the rectangular steel pipe and are in engaged connection with the gear; the outer wall of one steel channel is rotationally connected with a threaded rod, one U-shaped steel plate is in threaded connection with the threaded rod, the threaded rod, the sliding rods, the U-shaped steel plates, the spur racks, the connecting shafts and the gears are matched, the two U-shaped steel plates can be driven to move relatively, the rollers are completely limited in the steel channels, the rollers are prevented from being accidentally disengaged, and safety and reliability are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of attached lifting scaffolds, and specifically discloses an attached lifting scaffold guide rail. Background Art

[0002] The attached lifting scaffolding equipment is a new type of scaffolding technology that has developed rapidly at the beginning of this century and has an important impact on the progress of my country's construction technology. It changes high-altitude operations into low-altitude operations and aerial operations into internal operations of the frame. It has significant low-carbon, high-tech content, and is more economical, safer, and more convenient.

[0003] Existing attached lifting scaffold guide rails generally adopt channel steel guide rails. For example, an attached lifting scaffold guide rail disclosed in Chinese patent CN212201226U adopts this guide rail. This guide rail has a weak restrictive effect on the roller, and the roller has the risk of detaching from the channel steel. Therefore, an attached lifting scaffold guide rail is needed to solve this problem. Utility Model Content

[0004] The utility model provides an attached lifting scaffold guide rail, which can completely restrict a roller in a channel steel through the relative movement of two U-shaped plates, thereby preventing the roller from accidentally falling out, and is safe and reliable.

[0005] The utility model is implemented as follows: an attached lifting scaffolding guide rail comprises a rectangular steel tube, the outer wall of the rectangular steel tube is fixedly connected to two symmetrically distributed channel steels, rollers are movably arranged inside the two channel steels, the left and right end surfaces of the two channel steels are fixedly connected to two symmetrically distributed sliding rods, the outer walls of the four sliding rods on the same side are slidably connected to U-shaped steel plates, the interior of the rectangular steel tube is fixedly connected to a connecting shaft, the outer wall of the connecting shaft is rotatably connected to a gear, the outer walls opposite to the two U-shaped steel plates are fixedly connected to spur racks, the two spur racks extend to the interior of the rectangular steel tube and are meshed with the gears, the outer wall of one of the channel steels is rotatably connected to a threaded rod, and one of the U-shaped steel plates is threadedly connected to the threaded rod.

[0006] In order to facilitate the connection of the two guide rails, as a preferred attached lifting scaffolding guide rail of the utility model, the lower end face of the rectangular steel pipe is fixedly connected with a protrusion matching the rectangular steel pipe, the outer wall of the protrusion is provided with a threaded hole, and the upper end of the outer wall of the rectangular steel pipe is penetrated by a circular through hole, and a fixing bolt is movably arranged in the circular through hole.

[0007] In order to facilitate the extension of the spur rack into the interior of the rectangular steel pipe, as a preferred attachment type lifting scaffolding guide rail of the utility model, the outer wall of the rectangular steel pipe is provided with two symmetrically distributed first rectangular through holes.

[0008] For the convenience of installing the fixing bolts, as an optimization of the guide rail of the attached lifting scaffold of the present utility model, second rectangular through holes are provided at the upper ends of the outer walls of the two U-shaped steel plates.

[0009] For the convenience of installing the scaffold, as an optimization of the guide rail of the attached lifting scaffold of the present utility model, brackets for installing the scaffold are movably arranged on the outer walls of the two rollers.

[0010] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0011] For this kind of guide rail of the attached lifting scaffold, through the cooperation of the threaded rod, the sliding rod, the U-shaped steel plate, the straight rack, the coupling shaft and the gear, the relative movement of the two U-shaped steel plates can be driven, and the rollers can be completely restricted within the channel steel to prevent the rollers from accidentally coming out, which is safe and reliable. Through the cooperation of the convex block, the rectangular steel pipe and the fixing bolt, the two guide rails can be connected and fixed, which is convenient for installation and disassembly. Description of the Drawings

[0012] Figure 1 It is the overall structure diagram of a guide rail of the attached lifting scaffold of the present utility model;

[0013] Figure 2 It is the main view sectional view of a guide rail of the attached lifting scaffold of the present utility model;

[0014] Figure 3 It is the structure diagram of the rectangular steel pipe and the channel steel of the present utility model.

[0015] In the figure, 1. rectangular steel pipe; 2. channel steel; 3. sliding rod; 4. U-shaped steel plate; 5. threaded rod; 6. coupling shaft; 7. gear; 8. straight rack; 9. first rectangular through hole; 10. convex block; 11. threaded hole; 12. fixing bolt; 13. second rectangular through hole; 14. roller; 15. circular through hole; 16. bracket. Specific Embodiment

[0016] In order to make the purpose, technical solution and advantages of the present utility model clearer, the present utility model will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0017] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model. In addition, in the description of the present utility model, the meaning of "a plurality of" is two or more, unless otherwise specifically defined.

[0018] Please refer to Figures 1-3 , an attached lifting scaffold guide rail, including a rectangular steel pipe 1. Two symmetrically distributed channel steels 2 are fixedly connected to the outer wall of the rectangular steel pipe 1. Two rollers 14 are movably arranged inside the two channel steels 2. Two symmetrically distributed sliding rods 3 are fixedly connected to the left and right end faces of the two channel steels 2. The outer walls of the four sliding rods 3 on the same side are all slidably connected with U-shaped steel plates 4. A coupling shaft 6 is fixedly connected inside the rectangular steel pipe 1. A gear 7 is rotatably connected to the outer wall of the coupling shaft 6. Two straight racks 8 are fixedly connected to the opposite outer walls of the two U-shaped steel plates 4. The two straight racks 8 both extend into the rectangular steel pipe 1 and are meshed with the gear 7. One of the channel steels 2 is rotatably connected with a threaded rod 5. One of the U-shaped steel plates 4 is threadedly connected with the threaded rod 5.

[0019] In this embodiment: Rotate the threaded rod 5. The threaded rod 5 drives one U-shaped steel plate 4 to move towards the rectangular steel pipe 1 along the sliding rod 3. The U-shaped steel plate 4 further drives the straight rack 8 connected thereto to move towards the rectangular steel pipe 1, thereby driving the gear 7 to rotate. The gear 7 further drives the other straight rack 8 to move towards the rectangular steel pipe 1, thereby driving the other U-shaped steel plate 4 to move towards the rectangular steel pipe 1 along the sliding rod 3, and further completely restricting the roller 14 inside the channel steel 2 to prevent the roller 14 from accidentally coming out, which is safe and reliable.

[0020] As a technical optimization scheme of the present utility model, a convex block 10 matching the rectangular steel pipe 1 is fixedly connected to the lower end face of the rectangular steel pipe 1. A threaded hole 11 is opened on the outer wall of the convex block 10. A circular through hole 15 is opened through the upper end of the outer wall of the rectangular steel pipe 1. A fixing bolt 12 is movably arranged in the circular through hole 15.

[0021] In this embodiment: Insert the upper convex block 10 into the lower rectangular steel pipe 1, and connect the convex block 10 and the rectangular steel pipe 1 through the fixing bolt 12, which is convenient for connecting and fixing the two guide rails to reach the required height.

[0022] As a technical optimization scheme of the present utility model, two symmetrically distributed first rectangular through holes 9 are opened on the outer wall of the rectangular steel pipe 1.

[0023] In this embodiment: By opening two symmetrically distributed first rectangular through-holes 9 on the outer wall of the rectangular steel pipe 1, it is convenient for the straight rack 8 to extend into the interior of the rectangular steel pipe 1 through the first rectangular through-holes 9.

[0024] As a technical optimization scheme of the present utility model, second rectangular through-holes 13 are respectively opened at the upper ends of the outer walls of the two U-shaped steel plates 4.

[0025] In this embodiment: By respectively opening second rectangular through-holes 13 at the upper ends of the outer walls of the two U-shaped steel plates 4, it is convenient to install the fixing bolts 12.

[0026] As a technical optimization scheme of the present utility model, brackets 16 for installing a scaffold are movably arranged on the outer walls of the two rollers 14.

[0027] In this embodiment: By movably arranging brackets 16 for installing a scaffold on the outer walls of the two rollers 14, it is convenient to install the scaffold.

[0028] The working principle and usage process of the present utility model: When connecting the two guide rails, insert the upper convex block 10 into the lower rectangular steel pipe 1, and then connect the convex block 10 and the rectangular steel pipe 1 through the fixing bolt 12. When installing the roller 14, install the roller 14 inside the channel steel 2, and then rotate the threaded rod 5. The threaded rod 5 drives a U-shaped steel plate 4 to move along the slide rod 3 towards the rectangular steel pipe 1. The U-shaped steel plate 4 further drives the straight rack 8 connected thereto to move towards the rectangular steel pipe 1, thereby driving the gear 7 to rotate. The gear 7 further drives the other straight rack 8 to move towards the rectangular steel pipe 1, thereby driving the other U-shaped steel plate 4 to move along the slide rod 3 towards the rectangular steel pipe 1, and further restricting the roller 14 completely inside the channel steel 2 to prevent the roller 14 from accidentally coming out, which is safe and reliable.

[0029] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. An attached lifting scaffold guide rail, comprising a rectangular steel pipe (1), wherein two symmetrically distributed channel steels (2) are fixedly connected to the outer wall of the rectangular steel pipe (1), and rollers (14) are movably arranged inside both of the two channel steels (2), and it is characterized in that: Both left and right end faces of the two channel steels (2) are fixedly connected with two symmetrically distributed sliding rods (3). The outer walls of the four sliding rods (3) on the same side are all slidably connected with U-shaped steel plates (4). A connecting shaft (6) is fixedly connected inside the rectangular steel pipe (1). A gear (7) is rotatably connected to the outer wall of the connecting shaft (6). Straight racks (8) are fixedly connected to the opposite outer walls of the two U-shaped steel plates (4). Both of the straight racks (8) extend into the interior of the rectangular steel pipe (1) and are meshed with the gear (7). A threaded rod (5) is rotatably connected to the outer wall of one of the channel steels (2). One of the U-shaped steel plates (4) is threadedly connected to the threaded rod (5).

2. The guide rail of an attached lifting and lowering scaffold according to claim 1, characterized in that: A convex block (10) matching the rectangular steel pipe (1) is fixedly connected to the lower end face of the rectangular steel pipe (1). A threaded hole (11) is formed in the outer wall of the convex block (10). A circular through hole (15) is formed through the upper end of the outer wall of the rectangular steel pipe (1). A fixing bolt (12) is movably arranged in the circular through hole (15).

3. The guide rail of an attached lifting scaffold according to claim 1, characterized in that: Two symmetrically distributed first rectangular through holes (9) are formed in the outer wall of the rectangular steel pipe (1).

4. An attachment type lifting scaffold guide rail according to claim 1, characterized in that: Second rectangular through holes (13) are formed in the upper ends of the outer walls of the two U-shaped steel plates (4).

5. The guide rail of an attached lifting scaffold according to claim 1, characterized in that: A bracket (16) for installing a scaffold is movably arranged on the outer walls of the two rollers (14).

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