Underground pipeline construction ladder

Abstract

The utility model discloses a buried pipeline construction ladder, which relates to the technical field of gas construction, and comprises a first ladder, the bottom end of the first ladder is movably connected with a second ladder, the bottom end of the second ladder is movably connected with a third ladder, and the surfaces of the first ladder, the second ladder and the third ladder are all slidably connected with sliding mechanisms. A first fixing mechanism is fixedly connected to inner cavities in the top ends of the second ladder and the third ladder, and a second fixing mechanism is fixedly connected to an inner cavity in the bottom end of the third ladder. According to the ladder, the first ladder, the second ladder, the third ladder, the sliding mechanism, the second fixing hole, the sliding block and the limiting block are matched, the sliding mechanism is arranged at the bottom end of the third ladder, the limiting block is moved to drive the sliding block to be clamped into the sliding rail on the surface of the third ladder and slide on the guide rail, and the sliding mechanism is clamped at the corresponding position by clamping the bolt into the fixing hole. Therefore, the sliding mechanism is fixed, and the safety of the working environment of workers is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of gas construction, in particular to an underground pipeline construction ladder. Background Art

[0002] Most common single-person ladders have simple structures and functions, are not easy to adjust, have relatively poor stability, and are prone to potential safety hazards. When used by one person, they may easily fall over and cause harm to the user. Ladders are daily necessities. The tool is made of two long and thick poles with a crossbar suitable for climbing in the middle, which is used for climbing. Aluminum alloy ladders are made of high-strength aluminum alloy materials. They are light in weight and high in strength, which greatly facilitates the work intensity of construction workers.

[0003] Patent publication number CN209510211U discloses a special ladder for the construction of large-diameter long-distance oil and gas pipelines, which includes: an arc-shaped support frame; two ladders, and the top ends of the two ladders are rotatably connected to the two ends of the arc-shaped support frame respectively; a working platform, which is fixed to the arc-shaped support frame through four supporting columns, and a platform handrail is provided on one side of the working platform; at least four rubber rollers are provided, and the rubber rollers are symmetrically arranged at the bottom of the arc-shaped support frame.

[0004] In order to solve the problem that most common single-person ladders have simple structures and functions, are inconvenient to adjust, have relatively poor stability, are prone to potential safety accidents, and may easily fall over when used by one person, causing harm to the user's body, the existing technology is to set up an arc-shaped support frame and a working platform to reduce the labor intensity of the staff while ensuring a good match with the oil and gas pipeline.

[0005] However, due to the lack of definite security measures and fixing devices, there are still problems such as inconvenient adjustment, relatively poor stability, potential safety hazards, and inconvenience in carrying. Utility Model Content

[0006] The utility model aims to provide an underground pipeline construction ladder to solve the problems raised in the above-mentioned background technology.

[0007] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0008] A buried pipeline construction ladder comprises a ladder 1, wherein the bottom end of the ladder 1 is movably connected to a ladder 2, and the bottom end of the ladder 2 is movably connected to a ladder 3, and the surfaces of the ladders 1, 2 and 3 are all slidably connected to sliding mechanisms, the top inner cavities of the ladders 2 and 3 are fixedly connected to a fixing mechanism 1, and the bottom inner cavity of the ladder 3 is fixedly connected to a fixing mechanism 2.

[0009] The fixing mechanism 2 includes a spring 1, the spring 1 is fixedly connected to the top of the inner wall of the bottom end of the ladder 3, the bottom of the spring 1 is fixedly connected to the limiting plate, one end of the limiting plate 1 is fixedly connected to the limiting plate 2, and the middle part of the bottom end of the limiting plate 1 is fixedly connected with a fixing nail.

[0010] A further improvement of the technical solution of the utility model is that the fixing mechanism 1 includes a button, the button is movably connected to the middle of both sides of the top of the ladder 2 and the ladder 3, and the bottom of the button is fixedly connected with a spring 1.

[0011] A further improvement of the technical solution of the utility model is that the sliding mechanism includes a limit block, which is slidably connected to the surfaces of ladder one, ladder two, and ladder three, a fixing hole two is opened on the side of the limit block, a sliding block is fixedly connected to the top of the limit block, and a guardrail is fixedly connected to the top of the sliding block.

[0012] A further improvement of the technical solution of the utility model is that: the surfaces of the three bottom ends of the ladder are provided with clamping grooves.

[0013] A further improvement of the technical solution of the utility model is that the ladder 2 comprises a guide rail, the surfaces of the ladder 1, the ladder 2 and the ladder 3 are all fixedly connected with the guide rail, and the guide rail is slidably connected with a slider.

[0014] A further improvement of the technical solution of the utility model is that: the ladder one includes a left ladder rod, the left ladder rod is movably connected to the top of the ladder two, the surface of the left ladder rod is fixedly connected to a guide rail, a fixing hole one is opened on one side of the bottom of the left ladder rod, the button is engaged with the fixing hole one, the right side of the left ladder rod is fixedly connected to a pedal, and one side of the pedal is fixedly connected to the right ladder rod.

[0015] A further improvement of the technical solution of the utility model is that threaded holes are provided on the sides of the ladder 1, the ladder 2 and the ladder 3, and the ladder 1, the ladder 2 and the ladder 3 are threadedly connected with the fixing hole 2 through the threaded holes.

[0016] A further improvement of the technical solution of the utility model is that the construction ladder can be disassembled and placed in a storage box for storage, so that workers can carry it conveniently during construction.

[0017] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:

[0018] 1. The utility model provides an underground pipeline construction ladder, which adopts the cooperation of ladder 1, ladder 2, ladder 3 fixing mechanism 1, fixing hole 1, left ladder rod, right ladder rod, etc., by taking out ladder 3 from a storage box, bringing ladder 3 to the place where construction is required, putting ladder 3 on the ground, taking out ladder 2, aligning one end with fixing hole 1 with one end with fixing mechanism 1, pressing a button, pressing spring 1, pushing ladder 2 to slide inside the top of ladder 3, inserting a button into fixing hole 1, taking out ladder 1, repeating the above operation, thereby splicing and fixing the ladders, setting multiple ladders 2, and being able to carry out construction work on pipelines of different heights, thereby improving the adaptability of construction work.

[0019] 2. The utility model provides an underground pipeline construction ladder, which adopts the cooperation of ladder one, ladder two, ladder three, a sliding mechanism, a second fixing hole, a slider, and a limit block. By placing the sliding mechanism at the bottom end of the ladder three, the limit block is moved to drive the slider, which is inserted into the slide rail on the surface of the ladder three and slides on the guide rail. The sliding mechanism is inserted into the fixing hole by bolts to clamp the sliding mechanism in the corresponding position, thereby fixing the sliding mechanism, which greatly improves the safety of the workers' working environment.

[0020] 3. The utility model provides an underground pipeline construction ladder, which adopts the cooperation of ladder three, fixing mechanism two, spring two, limit plate one, limit plate two, a slot and a fixing nail. Through the slot provided on the surface of ladder three, limit plate two is pressed to drive limit plate one, limit plate one pulls spring two, limit plate one presses down the fixing nail, and limit plate two is slotted into the corresponding position for fixing, thereby fixing the ladder as a whole and improving the overall stability of the ladder. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the structure of a ladder of the utility model;

[0023] Figure 3 This is a schematic diagram of the structure of the second ladder of the utility model;

[0024] Figure 4 This is a schematic diagram of the third structure of the ladder of the utility model;

[0025] Figure 5 It is a structural schematic diagram of the sliding mechanism of the utility model;

[0026] Figure 6 This is a structural schematic diagram of the fixing mechanism 1 of the utility model;

[0027] Figure 7 It is a structural schematic diagram of the second fixing mechanism of the utility model.

[0028] In the figure: 1. ladder one; 12. left ladder rod; 13. guide rail; 14. fixing hole one; 15. pedal; 16. right ladder rod; 2. ladder two; 3. ladder three; 31. slot; 4. sliding mechanism; 41. guardrail; 42. fixing hole two; 43. slider; 44. limit block; 5. fixing mechanism one; 51. button; 52. spring one; 6. fixing mechanism two; 61. spring two; 62. limit plate one; 621. limit plate two; 622. fixing nail. DETAILED DESCRIPTION

[0029] The present invention is further described in detail below in conjunction with the embodiments:

[0030] Example 1

[0031] like Figure 1-7 As shown, the utility model provides an underground pipeline construction ladder, including a ladder 1, a ladder 2 2 is movably connected to the bottom end of the ladder 1, a ladder 3 3 is movably connected to the bottom end of the ladder 22, a sliding mechanism 4 is slidably connected to the surfaces of the ladder 1, the ladder 2 2, and the ladder 3 3, a fixing mechanism 1 5 is fixedly connected to the inner cavity at the top end of the ladder 2 2 and the ladder 3 3, a fixing mechanism 2 6 is fixedly connected to the inner cavity at the bottom end of the ladder 3 3, the fixing mechanism 2 6 includes a spring 2 61, the spring 2 61 is fixedly connected to the top of the inner wall at the bottom end of the ladder 3 3, the bottom of the spring 2 61 is fixedly connected to a limiting plate 1 62, one end of the limiting plate 1 62 is fixedly connected to a limiting plate 2 621, and a fixing nail 622 is fixedly connected to the middle part of the bottom end of the limiting plate 1 62.

[0032] In this embodiment, by using the slot 31 provided on the surface of the ladder three 3, the limit plate two 621 is pressed down to drive the limit plate one 62, the limit plate one 62 pulls the spring two 61, the limit plate one 62 presses down the fixing nail 622, and the limit plate two 621 is inserted into the corresponding position slot 31 for fixing, thereby fixing the entire ladder and improving the overall stability of the ladder.

[0033] Example 2

[0034] like Figure 1-7As shown, on the basis of Example 1, the utility model provides a technical solution: preferably, the fixing mechanism 1 5 includes a button 51, which is movably connected to the middle of the tops of the ladder 2 2 and the ladder 3 3, and the bottom of the button 51 is fixedly connected with a spring 1 52, and the sliding mechanism 4 includes a limit block 44, and the limit block 44 is slidably connected to the surfaces of the ladder 1 1, the ladder 2 2, and the ladder 3 3, and the side of the limit block 44 is provided with a fixing hole 2 42, and the top of the limit block 44 is fixedly connected with a slider 43, and the top of the slider 43 is fixedly connected with a guardrail 41, and the bottom surface of the ladder 3 3 is provided with a slot 31, and the ladder 2 2 includes a guide rail 13, and the ladder 1 1. The surfaces of ladders 1, 2 and 3 are all fixedly connected with guide rails 13, which are slidably connected with sliders 43. Ladder 1 includes a left ladder rod 12, which is movably connected to the top of ladder 2. The surface of the left ladder rod 12 is fixedly connected with the guide rails 13, a fixing hole 14 is provided on one side of the bottom of the left ladder rod 12, a button 51 is snapped with the fixing hole 14, a pedal 15 is fixedly connected to the right side of the left ladder rod 12, and a right ladder rod 16 is fixedly connected to one side of the pedal 15. Threaded holes are provided on the sides of ladders 1, 2 and 3, and ladders 1, 2 and 3 are threadedly connected with fixing hole 2 42 through the threaded holes.

[0035] In this embodiment, by pressing the button 51 and depressing the spring 1 52, the ladder 2 2 is pushed to slide inside the top end of the ladder 3 3, the button 51 is inserted into the corresponding position of the fixing hole 14, the ladder 1 is taken out, and the above operation is repeated, so that the ladders are spliced ​​and fixed. By setting multiple ladders 2 2, construction work can be carried out on pipelines of different heights, which improves the adaptability of construction work. By placing the sliding mechanism 4 at the bottom end of the ladder 3 3, the limit block 44 is moved to drive the slider 43, which is inserted into the guide rail 13 on the surface of the ladder 3 3 and slides on the guide rail 13. The sliding mechanism 4 is inserted into the fixing hole 2 42 by bolts to insert the sliding mechanism 4 in the corresponding position, thereby fixing the sliding mechanism 4, which greatly improves the safety of the workers' working environment.

[0036] The following is a detailed description of the working principle of the underground pipeline construction ladder.

[0037] like Figure 1-7As shown, by taking out the ladder 3 3 from the storage box, bringing the ladder 3 3 to the construction site, placing the ladder 3 3 on the ground, taking out the ladder 2 2, aligning one end with the fixing hole 14 with one end with the fixing mechanism 1 5, pressing the button 51, depressing the spring 1 52, pushing the ladder 2 2 to slide on the top surface of the ladder 3 3, and snapping the button 51 into the fixing hole 14. According to respective needs, multiple ladders 2 2 can be set, taking out the ladder 1, repeating the above operation of the ladder 3 3, fixing the ladder body, and then placing the sliding mechanism 4 at the bottom end of the ladder 3 3, The movable limit block 44 drives the slider 43, which is inserted into the guide rail 13 on the surface of the ladder three 3 and slides on the guide rail 13. The sliding mechanism 4 is inserted into the fixing hole two 42 by bolts to clamp the sliding mechanism 4 in the corresponding position. Then, through the slot 31 provided on the surface of the ladder three 3, the limit plate two 621 is pressed down to drive the limit plate one 62. The limit plate one 62 pulls the spring two 61. The limit plate one 62 presses down the fixing nail 622, and the limit plate two 621 is inserted into the corresponding position slot 31 for fixing. Then, the ladder is straightened, and the fixing nail is inserted into the ground at the construction position to carry out pipeline construction.

[0038] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not deviate from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. An underground pipeline construction ladder, comprising a ladder 1 (1), characterized in that: The bottom end of the ladder 1 (1) is movably connected to the ladder 2 (2), and the bottom end of the ladder 2 (2) is movably connected to the ladder 3 (3). The surfaces of the ladder 1 (1), the ladder 2 (2), and the ladder 3 (3) are all slidably connected to a sliding mechanism (4). The top inner cavities of the ladder 2 (2) and the ladder 3 (3) are fixedly connected to a fixing mechanism 1 (5), and the bottom inner cavity of the ladder 3 (3) is fixedly connected to a fixing mechanism 2 (6); The fixing mechanism 2 (6) comprises a spring 2 (61), the spring 2 (61) is fixedly connected to the top of the inner wall at the bottom end of the ladder 3 (3), the bottom of the spring 2 (61) is fixedly connected to a limiting plate 1 (62), one end of the limiting plate 1 (62) is fixedly connected to the limiting plate 2 (621), and a fixing nail (622) is fixedly connected to the middle of the bottom end of the limiting plate 1 (62).

2. The underground pipeline construction ladder according to claim 1, characterized in that: The fixing mechanism 1 (5) comprises a button (51), and the button (51) is movably connected to the middle of the tops of the ladder 2 (2) and the ladder 3 (3), and the bottom of the button (51) is fixedly connected to a spring 1 (52).

3. The underground pipeline construction ladder according to claim 1, characterized in that: The sliding mechanism (4) comprises a limit block (44), the limit block (44) is slidably connected to the surfaces of ladder one (1), ladder two (2) and ladder three (3), a fixing hole two (42) is provided on the side of the limit block (44), a sliding block (43) is fixedly connected to the top of the limit block (44), and a guardrail (41) is fixedly connected to the top of the sliding block (43).

4. The underground pipeline construction ladder according to claim 1, characterized in that: A clamping groove (31) is provided on the bottom surface of the ladder three (3).

5. The underground pipeline construction ladder according to claim 3, characterized in that: The second ladder (2) comprises a guide rail (13), and the surfaces of the first ladder (1), the second ladder (2) and the third ladder (3) are all fixedly connected with the guide rail (13), and the guide rail (13) is slidably connected with a slider (43).

6. The underground pipeline construction ladder according to claim 2, characterized in that: The ladder one (1) comprises a left ladder rod (12), the left ladder rod (12) is movably connected to the top of the ladder two (2), the surface of the left ladder rod (12) is fixedly connected to a guide rail (13), a fixing hole one (14) is opened on one side of the bottom of the left ladder rod (12), the button (51) is engaged with the fixing hole one (14), the right side of the left ladder rod (12) is fixedly connected to a pedal (15), and one side of the pedal (15) is fixedly connected to a right ladder rod (16).

7. The underground pipeline construction ladder according to claim 3, characterized in that: The sides of the ladder 1 (1), the ladder 2 (2) and the ladder 3 (3) are all provided with threaded holes, and the ladder 1 (1), the ladder 2 (2) and the ladder 3 (3) are threadedly connected with the fixing hole 2 (42) through the threaded holes.

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