Water transfer engineering maintenance ladder stand with high safety

Abstract

The utility model discloses a water transfer engineering maintenance ladder stand with high safety, which belongs to the technical field of ladder stands and is characterized in that the back of a first ladder stand is provided with a front slide block, the top of the first ladder stand is provided with a limiting hoop matched with a second ladder stand, and the front side of the second ladder stand is provided with a first slide groove matched with the front slide block; a second sliding groove matched with the rear sliding block is formed in the rear side of the second crawling ladder. The roller is located between the swing arms on the two sides, and the bottoms of the swing arms are connected with a fixing plate; the hook is movably arranged in the rotating cavity through a rotating seat, a limiting protruding ring matched with the limiting cavity is arranged in the middle of the rotating seat, a ball is installed in the open groove, and a groove matched with the ball is formed in the outer wall of the limiting protruding ring. According to the novel ladder stand, the length of the ladder stand can be adjusted, and the ladder stand can be rapidly fixed through the swing arm and the fixing plate. And after use, the fixing plate can be folded and pushed through the rolling wheels. The angle of the hook can be adjusted through the hook and the limiting cavity, and therefore the requirement for the complex use environment is met.

Description

Technical Field

[0001] The utility model relates to the technical field of ladders, in particular to a maintenance ladder for water diversion projects with high safety. Background Art

[0002] Due to the uneven temporal and spatial distribution of natural precipitation, there is a large gap between the abundance and shortage of water in different river basins. The economic and social development and residents' lives in water-scarce river basins are restricted by water resources. In order to solve the water resource demand in water-scarce areas, water diversion projects spanning two or more river basins can be built to transfer part of the water from the abundant river basins to regulate the water use of the water-scarce river basins and promote the sustainable economic and social development of the river basins. Folding ladders are engineering supplies that assist workers to climb up and down on the construction site, like movable stairs. The folding ladder is opened when in use and folded up after use for easy transfer. Folding ladders require solid and firm workmanship and are widely used in various civil engineering projects and decoration projects. The convenience and dual-use of folding ladders are liked by more and more people.

[0003] Application number: CN202121565000.8 discloses a ladder for maintenance work of a bridge crane, characterized in that it is used to connect the corridor platform of the crane with the motor installation platform, and includes: a ladder body, the ladder body is a straight ladder perpendicular to the corridor platform; a foot pedal is arranged on the ladder body, and the foot pedal can be stored in the ladder body. By setting the ladder as a straight ladder to reduce the occupied space, and setting the foot pedal as a structure that can be stored to further reduce the occupied space, and the foot pedal can be set to a corresponding installation direction according to different usage requirements to meet the applicable scope of the ladder.

[0004] The maintenance ladders in the above-mentioned comparative documents have a general degree of freedom and cannot be applied to a variety of usage scenarios. The angle of the hook cannot be freely adjusted according to actual needs, and the bottom fixing plate cannot be adaptively adjusted according to the angle of the terrain. Therefore, a highly safe water diversion project maintenance ladder is designed here to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a water diversion project maintenance ladder with high safety in order to solve the problems that the traditional maintenance ladder has a general degree of freedom, cannot be applied to a variety of usage scenarios, cannot freely adjust the angle of the hook according to actual needs, and cannot adaptively adjust the bottom fixing plate according to the angle of the terrain.

[0006] To achieve the above-mentioned purpose, the technical solution of the utility model is: a water diversion project maintenance ladder with high safety, comprising ladder one and ladder two, the ladder two is slidably arranged at the bottom of the ladder one, the back of the ladder one is provided with a front slider, the top of the ladder one is provided with a limiting hoop matched with the ladder two, the limiting hoop is provided with a rear slider on the inner wall away from the ladder one, the front side of the ladder two is provided with a first slide groove matched with the front slider, and the rear side of the ladder two is provided with a second slide groove matched with the rear slider; rollers are movably installed at the bottom of the ladder one, and the bottom of the ladder one is provided with rollers for rotation on both sides. A swing arm, the roller is located between the swing arms on both sides, and a fixed plate is connected to the bottom of the swing arm; a rotating cavity is provided at the top of the ladder two, and a hook is rotatably provided at the top of the ladder two, and a rotating seat is connected to the bottom of the hook, and the hook is movably arranged in the rotating cavity through the rotating seat; a limited cavity is provided in the middle of the rotating cavity, and a limiting convex ring cooperating with the limiting cavity is provided in the middle of the rotating seat, and a plurality of groups of grooves are provided on the inner wall of the limiting cavity, and a positioning spring is installed in the groove, a ball is installed on the top of the positioning spring, and a groove cooperating with the ball is provided on the outer wall of the limiting convex ring.

[0007] As a further solution of the utility model: the side surface of the limiting hoop is threadedly connected with a bolt.

[0008] As a further solution of the utility model: a plurality of groups of positioning pins are arranged at the bottom of the fixing plate.

[0009] As a further solution of the utility model: symmetrical mounting holes are provided on the sides of the ladder 1 and the ladder 2, and protective arc plates are installed between the mounting holes.

[0010] As a further solution of the utility model: a tool box is arranged on the top of the second ladder.

[0011] The utility model provides a high-safety water diversion engineering maintenance ladder through improvement, which has the following improvements and advantages compared with the prior art:

[0012] The utility model can adjust the length of the ladder by the cooperation of the ladder one and the ladder two, and can quickly fix the ladder according to the actual terrain by the cooperation of the swing arm and the fixing plate. After use, the swing arm and the fixing plate can be folded up and pushed by the roller. The angle of the hook can be adjusted by the cooperation of the hook and the limit cavity to meet the complex use environment, which further improves the practicality and stability of the high-safety water diversion project maintenance ladder. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The utility model is further explained below in conjunction with the accompanying drawings and embodiments:

[0014] Figure 1 It is a three-dimensional structure of the utility model Figure 1 ;

[0015] Figure 2 It is a three-dimensional structure of the utility model Figure 2 ;

[0016] Figure 3 It is a three-dimensional structure of the utility model Figure 3 ;

[0017] Figure 4 It is a partial cross-sectional view of the utility model.

[0018] Description of reference numerals:

[0019] 1. Ladder 1; 2. Ladder 2; 3. Front slider; 4. Limiting hoop; 5. Bolt; 6. Rear slider; 7. First slide slot; 8. Second slide slot; 9. Roller; 10. Swing arm; 11. Fixing plate; 12. Positioning pin; 13. Mounting hole; 14. Protective arc plate; 15. Tool box; 16. Rotating cavity; 17. Limiting cavity; 18. Slot; 19. Positioning spring; 20. Ball; 21. Hook; 22. Rotating seat; 23. Limiting convex ring; 24. Groove. DETAILED DESCRIPTION

[0020] The following will be combined with the attached Figures 1 to 4 The utility model is described in detail, and the technical solutions in the embodiments of the utility model are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. 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.

[0021] The utility model provides a high-safety water diversion project maintenance ladder through improvement. Figure 1-Figure 4As shown, a high-safety water diversion project maintenance ladder comprises a ladder 1 and a ladder 2, the ladder 2 2 is slidably arranged at the bottom of the ladder 1, a front slider 3 is arranged on the back of the ladder 1, a limiting hoop 4 cooperating with the ladder 2 2 is arranged on the top of the ladder 1, a rear slider 6 is arranged on the inner wall of the limiting hoop 4 away from the ladder 1, a first slide groove 7 cooperating with the front slider 3 is provided on the front side of the ladder 2, and a second slide groove 8 cooperating with the rear slider 6 is provided on the rear side of the ladder 2; a roller 9 is movably installed at the bottom of the ladder 1, and a swing arm 10 is rotatably arranged on both sides of the bottom of the ladder 1, and the roller 9 is located between the swing arms 10 on both sides. A fixed plate 11 is connected to the bottom of the swing arm 10; a rotating chamber 16 is provided at the top of the ladder 2, a hook 21 is rotatably provided at the top of the ladder 2, a rotating seat 22 is connected to the bottom of the hook 21, and the hook 21 is movably arranged in the rotating chamber 16 through the rotating seat 22; a limiting chamber 17 is provided in the middle of the rotating chamber 16, a limiting convex ring 23 cooperating with the limiting chamber 17 is provided in the middle of the rotating seat 22, a plurality of groups of grooves 18 are provided on the inner wall of the limiting chamber 17, a positioning spring 19 is installed in the groove 18, a ball 20 is installed on the top of the positioning spring 19, and a groove 24 cooperating with the ball 20 is provided on the outer wall of the limiting convex ring 23.

[0022] The utility model can adjust the length of the ladder by the cooperation of the ladder 1 and the ladder 2, and can quickly fix the ladder according to the actual terrain by the cooperation of the swing arm 10 and the fixing plate 11. After use, the swing arm 10 and the fixing plate 11 can be folded up and pushed by the roller 9. The angle of the hook 21 can be adjusted by the cooperation of the hook 21 and the limit cavity 17 to meet the complex use environment, which further improves the practicality and stability of the high-safety water diversion project maintenance ladder.

[0023] See attached Figure 2 The side surface of the limiting hoop 4 is threadedly connected with a bolt 5.

[0024] In this embodiment, in order to fix the ladder 2, bolts 5 are provided on the side of the limiting hoop 4.

[0025] See attached Figure 1 -Attached Figure 3 A plurality of groups of positioning pins 12 are arranged at the bottom of the fixing plate 11 .

[0026] In this embodiment, in order to further improve the stability of the fixing plate 11 , a plurality of groups of positioning pins 12 are provided at the bottom of the fixing plate 11 .

[0027] See attached Figure 1 Symmetrical mounting holes 13 are provided on the sides of the ladder 1 and the ladder 2, and arc protection plates 14 are installed between the mounting holes 13.

[0028] In this embodiment, in order to further protect the operator from accidental falling, a protective arc plate 14 is installed between the installation holes 13 .

[0029] See attached Figure 4 A tool box 15 is provided at the top of the ladder 2.

[0030] In this embodiment: in order to store tools, a tool box 15 is provided on the top of the ladder 2. The tool box 15 is located at the crossbar and has the same thickness as the crossbar, so it does not affect the storage of the ladder 1.

[0031] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A highly safe water diversion engineering maintenance ladder, characterized by: The invention comprises a ladder (1) and a ladder (2), wherein the ladder (2) is slidably arranged at the bottom of the ladder (1), a front slider (3) is arranged at the back of the ladder (1), a limiting hoop (4) cooperating with the ladder (2) is arranged at the top of the ladder (1), a rear slider (6) is arranged on the inner wall of the limiting hoop (4) away from the ladder (1), a first slide groove (7) cooperating with the front slider (3) is arranged at the front side of the ladder (2), and a second slide groove (8) cooperating with the rear slider (6) is arranged at the rear side of the ladder (2); a roller (9) is movably installed at the bottom of the ladder (1), and a swing arm (10) is arranged at the bottom of the ladder (1) for rotation on both sides, the roller (9) is located between the swing arms (10) on both sides, and the bottom of the swing arm (10) is provided with a first slide groove (7) cooperating with the front slider (3) and a second slide groove (8) cooperating with the rear slider (6) is arranged at the rear side of the ladder (2); a roller (9) is movably installed at the bottom of the ladder (1), and a swing arm (10) is arranged at both sides of the bottom of the ladder (1), and the roller (9) is located between the swing arms (10) on both sides. The top of the ladder (2) is connected to a fixed plate (11); a rotating chamber (16) is provided at the top of the ladder (2); a hook (21) is rotatably provided at the top of the ladder (2); a rotating seat (22) is connected to the bottom of the hook (21); the hook (21) is movably arranged in the rotating chamber (16) through the rotating seat (22); a limiting chamber (17) is provided in the middle of the rotating chamber (16); a limiting convex ring (23) is provided in the middle of the rotating seat (22) and is matched with the limiting chamber (17); a plurality of groups of grooves (18) are provided on the inner wall of the limiting chamber (17); a positioning spring (19) is installed in the groove (18); a ball (20) is installed on the top of the positioning spring (19); and a groove (24) is provided on the outer wall of the limiting convex ring (23) and is matched with the ball (20).

2. A highly safe water diversion engineering maintenance ladder according to claim 1, characterized in that: The side surface of the limiting hoop (4) is threadedly connected with a bolt (5).

3. A highly safe water diversion engineering maintenance ladder according to claim 1, characterized in that: A plurality of groups of positioning pins (12) are arranged at the bottom of the fixing plate (11).

4. A highly safe water diversion engineering maintenance ladder according to claim 1, characterized in that: Symmetrical mounting holes (13) are provided on the sides of the ladder 1 (1) and the ladder 2 (2), and arc protection plates (14) are installed between the mounting holes (13).

5. A highly safe water diversion engineering maintenance ladder according to claim 1, characterized in that: A tool box (15) is arranged on the top of the second ladder (2).

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