Ladder for building construction

By introducing the electro-hydraulic cylinder adjustment mechanism and guardrail structure into the ladder for construction, the problems of height fixation and guardrail are solved, and the dual improvement of height flexibility adjustment and safety improvement, and the applicability and safety are achieved.

CN222362961UActive Publication Date: 2025-01-17HENAN NUCLEAR CONSTRUCTION INVESTMENT ENGINEERING CO LTD
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Patent Information

Application Number
CN202421073956.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-17
Publication Date
2025-01-17
Estimated Expiration
2034-05-17

AI Technical Summary

Technical Problem

The height of the ladder is fixed, the scope of application is low, and the lack of guardrail structure when climbing increases the risk of construction personnel.

Method used

A ladder for construction including installation base, adjustment mechanism and fixing mechanism is designed. The ladder height is adjustable by using an electro-hydraulic cylinder, and guardrails are installed on both sides, and stability and convenient movement are ensured through anchors and universal wheels. .

Benefits of technology

It realizes flexible adjustment of ladder height, improves applicability and safety, reduces labor intensity for construction workers, and reduces climbing risks through guardrails.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a ladder for building construction, which belongs to the field of construction tools and comprises a mounting base, an adjusting mechanism and a fixing mechanism. A ladder is arranged at one end of the mounting base, the bottom end of the ladder is hinged to the inner side of the mounting base, and protective fences are fixedly mounted on the two sides of the ladder; the ladder is installed at one end of the installation base in a hinged mode, the protective fences are installed on the two sides of the ladder so that the protective effect can be achieved when a constructor climbs, the safety of the ladder is improved, the electric hydraulic cylinder capable of being adjusted in a lifting mode is installed at the other end of the installation base, and the electric hydraulic cylinder ascends to drive the sliding block hinged to the telescopic end to slide on the guide rail. The guide rails are mounted at the bottom of the ladder, so that the electric hydraulic cylinders drive the ladder to realize lifting adjustment, adjustment according to a construction site and the height of constructors is facilitated, and the applicability of the ladder is improved.
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Description

Technical Field

[0001] The utility model relates to the field of construction tools, in particular to a ladder for building construction. Background Art

[0002] Ladders are commonly used tools in the construction process. Since construction workers sometimes need to stand on ladders to work, the stability of the ladder is a crucial factor affecting construction safety. Ordinary construction ladders have a simple structure and are prone to side slips and slipping accidents due to their narrow width, which has an adverse effect on construction work;

[0003] In addition, most construction ladders are welded from steel materials, which are heavy and extremely laborious to carry, greatly consuming the physical strength of construction workers. Among them, the application number is "CN201920558764.0" for a safety ladder for construction engineering. The utility model effectively improves the safety performance of the ladder by setting an adjustable reinforcing rod on the side support rod, increases the lateral support length of the ladder, makes the ladder more stable, and is conducive to construction workers standing on the ladder to work. At the same time, it can prevent the ladder from sliding, thereby enhancing the stability of the ladder and reducing the existing safety hazards;

[0004] By arranging adjustable walking wheels on the side support rods, it is convenient for construction workers to carry the ladder, thereby reducing their labor intensity. The ladder is highly practical and has a high market application value. However, the ladder has certain shortcomings when used: the height of the ladder is fixed and cannot be adjusted according to the construction site and construction workers. The scope of application is low, and there are no guardrail structures on both sides when people climb with tools, which increases certain risks. Utility Model Content

[0005] The utility model aims to provide a ladder for construction to solve the problems proposed in the above background technology that the height of the ladder is fixed and cannot be adjusted according to the construction site and construction personnel, the scope of application is relatively low, and there are no guardrail structures on both sides when people climb with tools, thereby increasing certain risks.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a ladder for construction, comprising a mounting base, an adjustment mechanism and a fixing mechanism;

[0007] Wherein: a ladder is provided at one end of the mounting base, the bottom end of the ladder is hinged to the inner side of the mounting base, guardrails are fixedly installed on both sides of the ladder, and a platform is fixedly installed on the top of the ladder;

[0008] An adjustment mechanism, the adjustment mechanism comprising an electric hydraulic cylinder fixedly mounted on the other end of the mounting base, a slider hingedly mounted on the top of the electric hydraulic cylinder, a guide rail fixedly mounted on the bottom of the ladder, and the slider slidably mounted on the surface of the guide rail;

[0009] The fixing mechanism comprises an extension plate connected to both sides of the mounting base, the surface of the extension plate is interspersed with an anchor rod, and one end of the anchor rod is connected to a connecting plate.

[0010] As a preferred solution of the utility model: handles are installed on both sides of the connecting plate.

[0011] As a preferred solution of the utility model: an oil storage tank is installed on the surface of the mounting base, an oil pump is installed on the top of the oil storage tank, the output end of the oil pump is connected to a reversing valve, an oil supply pipe is installed on the surface of the reversing valve, and one end of the oil supply pipe is connected to the bottom of the electric hydraulic cylinder.

[0012] As a preferred solution of the utility model: the top of the electric hydraulic cylinder is connected to a return oil pipe, one end of the return oil pipe is connected to a reversing valve, one side of the reversing valve is installed with a circulating oil pipe, and the circulating oil pipe is installed on the top of the oil storage tank.

[0013] As a preferred solution of the utility model: limit blocks are fixedly installed at both ends of the guide rail.

[0014] As a preferred solution of the utility model: universal wheels are installed around the bottom end of the mounting base, and a foot brake pedal is installed on the surface of the universal wheel.

[0015] As a preferred solution of the utility model: a mounting frame is fixedly mounted in the middle of the mounting base, and a plurality of groups of storage batteries are fixedly mounted inside the mounting frame.

[0016] As a preferred solution of the utility model: a control panel is fixedly installed on one side of the installation frame, the oil pump and the reversing valve are both control-connected to the control panel, and the control panel is electrically connected to the battery.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] (1) A ladder is hingedly mounted on one end of the mounting base, and guardrails are installed on both sides of the ladder to provide protection for construction workers when climbing, thereby improving the safety of the ladder. An electric hydraulic cylinder that can be raised and lowered is installed on the other end of the mounting base. When the electric hydraulic cylinder is raised, it drives the sliding block hinged at the telescopic end to slide on the guide rail. The guide rail is installed at the bottom of the ladder, so that the electric hydraulic cylinder drives the ladder to be raised and adjusted, which is convenient for adjustment according to the construction site and the height of the construction workers, thereby improving the applicability of the ladder;

[0019] (2) Through the provided fixing mechanism, when the ladder is placed at the construction site, the anchor rod is passed through the surface of the extension plate, and pressure is applied to the connecting plate at one end of the anchor rod to drive the anchor rod into the ground, so that the installation base and the ladder are effectively fixed by the anchor rod, thereby preventing the installation base from moving during construction and affecting the construction. The handles installed on both sides of the connecting plate provide force support when the anchor rod is pulled out. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 It is a side view structural schematic diagram of the utility model;

[0022] Figure 3 This is a schematic diagram of the structure of the adjustment mechanism of the utility model;

[0023] Figure 4 It is a schematic diagram of the fixing mechanism structure of the utility model.

[0024] In the figure: 1. mounting base; 2. ladder; 3. guardrail; 4. platform; 5. adjusting mechanism; 51. electric hydraulic cylinder; 52. slide block; 53. guide rail; 54. oil storage tank; 55. oil pump; 56. reversing valve; 57. oil supply pipe; 58. oil return pipe; 59. circulating oil pipe; 6. fixing mechanism; 61. extension plate; 62. anchor rod; 63. connecting plate; 64. handle; 7. limit block; 8. universal wheel; 9. foot brake pedal; 10. mounting frame; 11. battery; 12. control panel. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solution and advantages of the implementation of the utility model clearer, the technical solution in the implementation of the utility model will be clearly and completely described below in conjunction with the drawings in the implementation of the utility model. Obviously, the described implementation is a part of the implementation of the utility model, not all of the implementations. Based on the implementation of the utility model, all other implementations obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1 - Figure 4 A construction ladder comprises: a mounting base 1, an adjusting mechanism 5 and a fixing mechanism 6; a ladder 2 is provided at one end of the mounting base 1, the bottom end of the ladder 2 is hinged to the inner side of the mounting base 1, guardrails 3 are fixedly installed on both sides of the ladder 2, and a platform 4 is fixedly installed on the top of the ladder 2;

[0027] See also Figure 3, adjusting mechanism 5, the adjusting mechanism 5 includes an electric hydraulic cylinder 51 fixedly mounted on the other end of the mounting base 1, a slider 52 is hingedly mounted on the top of the electric hydraulic cylinder 51, a guide rail 53 is fixedly mounted on the bottom of the ladder 2, the slider 52 is slidably mounted on the surface of the guide rail 53, an oil storage tank 54 is mounted on the surface of the mounting base 1, an oil pump 55 is mounted on the top of the oil storage tank 54, the output end of the oil pump 55 is connected to a reversing valve 56, an oil supply pipe 57 is mounted on the surface of the reversing valve 56, one end of the oil supply pipe 57 is connected to the electric hydraulic cylinder 51, the top of the electric hydraulic cylinder 51 is connected to an oil return pipe 58, one end of the oil return pipe 58 is connected to the reversing valve 56, a circulating oil pipe 59 is mounted on one side of the reversing valve 56, and the circulating oil pipe 59 is mounted on the top of the oil storage tank 54.

[0028] During specific use: when it is necessary to adjust the height of the ladder 2, the oil pump 55 is controlled to work to transport the oil in the oil storage tank 54 to the oil supply pipe 57 through the reversing valve 56, and the oil pushes the electric hydraulic cylinder 51 to extend, so that the oil inside the electric hydraulic cylinder 51 flows back to the oil storage tank 54 through the return oil pipe 58 and the circulating oil pipe 59 on the side of the reversing valve 56. When it is necessary to lower the height of the ladder 2, the reversing valve 56 is actuated to allow the oil to be injected into the electric hydraulic cylinder 51 through the return oil pipe 58. At this time, the oil inside the electric hydraulic cylinder 51 flows into the circulating oil pipe 59 through the reversing valve 56 through the oil supply pipe 57, and finally flows into the oil storage tank 54, realizing the extension and retraction of the electric hydraulic cylinder 51, thereby driving the hinged slider 52 to slide on the guide rail 53, realizing the height adjustment of the ladder 2, and facilitating adjustment according to the construction site and the height of the construction personnel.

[0029] See also Figure 4 The fixing mechanism 6 includes an extension plate 61 connected to both sides of the mounting base 1 , an anchor rod 62 is inserted through the surface of the extension plate 61 , one end of the anchor rod 62 is connected to a connecting plate 63 , and handles 64 are installed on both sides of the connecting plate 63 .

[0030] During specific use: after the ladder 2 is placed at the construction location, the anchor rod 62 is passed through the surface of the extension plate 61, and pressure is applied to the connecting plate 63 at one end of the anchor rod 62 to drive the anchor rod 62 into the ground, so that the mounting base 1 and the ladder 2 are effectively fixed by the anchor rod 62, avoiding the movement of the mounting base 1 during construction and affecting the construction. The handles 64 installed on both sides of the connecting plate 63 provide force support when the anchor rod 62 is pulled out.

[0031] See also Figure 2 , limit blocks 7 are fixedly installed at both ends of the guide rail 53.

[0032] When in use, limit blocks 7 are installed at both ends of the guide rail 53 , and the limit blocks 7 limit the sliding range of the slider 52 on the guide rail 53 to prevent the slider 52 from sliding off the guide rail 53 .

[0033] See also Figure 4 Universal wheels 8 are installed around the bottom end of the mounting base 1, and a foot brake pedal 9 is installed on the surface of the universal wheel 8.

[0034] During specific use: universal wheels 8 are installed around the mounting base 1, and the universal wheels 8 are convenient for driving the mounting base 1 to move and transport. The universal wheels 8 can be locked by stepping on the foot brake pedal 9, and the mounting base 1 can be kept stable in cooperation with the anchor rod 62.

[0035] See also Figure 4 A mounting frame 10 is fixedly mounted in the middle of the mounting base 1 , and a plurality of battery groups 11 are fixedly mounted inside the mounting frame 10 .

[0036] When in use, a mounting frame 10 is mounted in the middle of the mounting base 1 , and multiple groups of storage batteries 11 are mounted inside the mounting frame 10 to provide power for the equipment.

[0037] See also Figure 4 A control panel 12 is fixedly mounted on one side of the mounting frame 10 , the oil pump 55 and the reversing valve 56 are both control-connected to the control panel 12 , and the control panel 12 is electrically connected to the battery 11 .

[0038] In specific use: when the control panel 12 is connected to the power supply of the battery 11, the oil pump 55 and the reversing valve 56 are energized and controlled to work; when the control panel 12 is disconnected from the power supply of the battery 11, the electronic equipment stops running.

[0039] A ladder 2 is hingedly installed at one end of the mounting base 1, and guardrails 3 are installed on both sides of the ladder 2 to provide protection for construction workers when climbing, thereby improving the safety of the ladder 2. An electric hydraulic cylinder 51 that can be raised and lowered is installed at the other end of the mounting base 1. When the electric hydraulic cylinder 51 is raised, it drives a slider 52 hinged at the telescopic end to slide on a guide rail 53. The guide rail 53 is installed at the bottom of the ladder 2, so that the electric hydraulic cylinder 51 drives the ladder 2 to achieve a height adjustment, which is convenient for adjustment according to the construction site and the height of the construction workers, thereby improving the applicability of the ladder 2.

[0040] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in the field. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for technical personnel in the field to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A ladder for construction, characterized in that: include: A mounting base (1) is provided at one end of the mounting base (1), a ladder (2) is hinged at the bottom end of the ladder (2) to the inner side of the mounting base (1), guardrails (3) are fixedly installed on both sides of the ladder (2), and a platform (4) is fixedly installed on the top end of the ladder (2). An adjustment mechanism (5), the adjustment mechanism (5) comprising an electric hydraulic cylinder (51) fixedly mounted on the other end of the mounting base (1), a slider (52) being hingedly mounted on the top end of the electric hydraulic cylinder (51), a guide rail (53) being fixedly mounted on the bottom of the ladder (2), and the slider (52) being slidably mounted on the surface of the guide rail (53); A fixing mechanism (6), the fixing mechanism (6) comprising an extension plate (61) connected to both sides of the mounting base (1), an anchor rod (62) being inserted and connected to the surface of the extension plate (61), and one end of the anchor rod (62) being connected to a connecting plate (63).

2. A construction ladder according to claim 1, characterized in that: Handles (64) are installed on both sides of the connecting plate (63).

3. A construction ladder according to claim 1, characterized in that: An oil storage tank (54) is installed on the surface of the mounting base (1), an oil pump (55) is installed on the top of the oil storage tank (54), an output end of the oil pump (55) is connected to a reversing valve (56), an oil supply pipe (57) is installed on the surface of the reversing valve (56), and one end of the oil supply pipe (57) is connected to the bottom end of the electric hydraulic cylinder (51).

4. A construction ladder according to claim 1, characterized in that: The top of the electric hydraulic cylinder (51) is connected to an oil return pipe (58), one end of which is in communication with a reversing valve (56), and one side of the reversing valve (56) is provided with a circulating oil pipe (59), which is installed on the top of the oil storage tank (54).

5. A construction ladder according to claim 1, characterized in that: Limiting blocks (7) are fixedly mounted on both ends of the guide rail (53).

6. A construction ladder according to claim 1, characterized in that: Universal wheels (8) are installed around the bottom end of the installation base (1), and a foot brake pedal (9) is installed on the surface of the universal wheel (8).

7. A construction ladder according to claim 3, characterized in that: A mounting frame (10) is fixedly mounted in the middle of the mounting base (1), and a plurality of groups of storage batteries (11) are fixedly mounted inside the mounting frame (10).

8. A construction ladder according to claim 7, characterized in that: A control panel (12) is fixedly mounted on one side of the mounting frame (10); the oil pump (55) and the reversing valve (56) are both control-connected to the control panel (12); and the control panel (12) is electrically connected to the storage battery (11).

Citation Information

Patent Citations

  • Safety ladder for constructional engineering construction

    CN210343205U