Adjustable roof crawling ladder

Abstract

The utility model provides an adjustable roof crawling ladder which comprises a crawling ladder body and a crawling ladder fixing assembly, and the crawling ladder body comprises two crawling ladder vertical rods arranged in parallel and a crawling ladder transverse rod horizontally arranged between the two crawling ladder vertical rods; adjusting through holes are vertically formed in the two sides of the ladder stand vertical rod. External threads are arranged at the two ends of the crawling ladder cross rod; the two ends of the crawling ladder cross rod are inserted into the adjusting through holes and are connected and fixed through adjusting nuts; the crawling ladder is fixed to a roof through the crawling ladder fixing assembly. The adjustable roof crawling ladder is convenient to manufacture and operate, and the size precision and the appearance quality are easy to control; and the position of the crawling ladder and the distance between the ladders can be adjusted at any time according to actual scenes and operation requirements so as to adapt to different construction heights and environments, the construction efficiency is improved, and the construction safety is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction, and more specifically to an adjustable roof ladder. Background Art

[0002] In the construction of civil construction, electric power, metallurgy, chemical industry, municipal venues and other industries, especially the roofs of civil high-rise buildings, when climbing the roof of the elevator shaft, some roofs do not have direct stairs. In order to facilitate maintenance and other operations, it is necessary to install an external wall ladder.

[0003] The traditional method generally uses pre-buried round steel bent outdoor ladders. This type of ladder has some problems. First, during construction, it is connected to the main steel bars, and there will be multiple processes such as supporting formwork, concrete pouring, maintenance, external waterproofing, insulation boards, etc. The dimensional accuracy and appearance quality are not easy to control; second, it is permanently fixed, and the position and ladder spacing cannot be changed according to factors such as the height and weight of the operator, and the ergonomic adaptability is poor.

[0004] According to the problems existing in the above content, there is a need for an adjustable roof ladder, which is easy to operate, and the dimensional accuracy and appearance quality are easy to control; and the position and ladder spacing of the ladder can be adjusted at any time according to the actual scene and operation needs to adapt to different construction heights and environments, making it more standardized, and conducive to improving construction efficiency and ensuring construction safety. Utility Model Content

[0005] In view of the above problems, the purpose of the utility model is to provide an adjustable roof ladder, so as to facilitate the control of the dimensional accuracy and appearance quality of the ladder, and can adjust the position and ladder spacing of the ladder at any time according to actual scenarios and operational needs to adapt to different construction heights and environments, which is conducive to improving construction efficiency and ensuring construction safety.

[0006] The utility model provides an adjustable roof ladder, comprising a ladder and a ladder fixing assembly, wherein the ladder comprises two ladder vertical rods arranged in parallel and a ladder cross rod arranged horizontally between the two ladder vertical rods; wherein:

[0007] Adjustment through holes are vertically opened on both sides of the ladder vertical rod;

[0008] External threads are provided at both ends of the ladder crossbar;

[0009] The two ends of the ladder crossbar are inserted into the adjustment through hole and connected and fixed by adjusting nuts;

[0010] The ladder is fixed on the roof through the ladder fixing assembly.

[0011] In addition, a preferred structure is that the ladder vertical rods are made of square steel pipes.

[0012] In addition, a preferred structure is that the adjusting through hole is a whole long through hole.

[0013] In addition, a preferred structure is that the ladder crossbar is made of round steel.

[0014] In addition, a preferred structure is that the length of the ladder crossbar is greater than the distance between the two ladder vertical rods.

[0015] In addition, a preferred structure is that adjusting nuts are provided on the inner side and the outer side of the connection positions between the two ends of the ladder cross bar and the ladder vertical bar.

[0016] In addition, a preferred structure is that the ladder fixing assembly includes a fixed base plate and support plates vertically fixed on both sides of the fixed base plate; wherein,

[0017] A fixing hole is provided at the center of the fixing bottom plate;

[0018] The ladder fixing assembly is fixed by means of fixing bolts passing through the fixing holes.

[0019] In addition, a preferred structure is that the fixed base plate and the support plate are made by welding steel plates.

[0020] In addition, a preferred structure is that the distance between the support plates is greater than the width of the ladder vertical rods.

[0021] In addition, a preferred structure is that the fixing bolts are chemical bolts or expansion bolts.

[0022] From the above description, it can be seen that the adjustable roof ladder provided by the utility model can determine the maximum outer contour and ladder spacing, etc. according to the actual environment and size of the site area; the ladder vertical rods are prefabricated with square steel pipes, and adjustment through holes are vertically opened on both sides of the ladder vertical rods to cooperate with the ladder cross rods. The two ends of the ladder cross rods are threaded, and adjustment nuts are used to cooperate with adjustment and fixation, so as to realize the up and down control of adjusting the ladder spacing to adapt to different construction heights and environments; the ladder fixing assembly adopts a fixed base plate and fixed bolts to cooperate with each other, and the fixed base plate is welded on both sides of the fixed base plate. Support plates are extended and fixed by welding with the support plates and the ladder vertical rods; this device is easy to manufacture and operate, and the dimensional accuracy and appearance quality are easy to control; and the position and ladder spacing of the ladder can be adjusted at any time according to the actual scene and operation needs to adapt to different construction heights and environments, making it more standardized, and it is beneficial to improve construction efficiency and ensure construction safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] By referring to the following description in conjunction with the drawings and the contents of the claims, and with a more comprehensive understanding of the present invention, other objects and results of the present invention will become more apparent and easier to understand.

[0024] In the attached picture:

[0025] Figure 1 It is a side view of an adjustable roof ladder according to an embodiment of the utility model;

[0026] Figure 2 It is a front view of an adjustable roof ladder according to an embodiment of the utility model.

[0027] In the figure, 1-ladder; 11-ladder vertical rod; 12-ladder horizontal rod; 13-adjustment through hole; 14-adjustment nut; 2-ladder fixing assembly; 21-fixed base plate; 22-support plate; 23-fixing hole; 24-fixing bolt; 3-insulation board.

[0028] The same reference numerals throughout the drawings indicate similar or corresponding features or functions. DETAILED DESCRIPTION

[0029] The specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0030] Figure 1 It is a side view of an adjustable roof ladder according to an embodiment of the utility model; Figure 2 It is a front view of an adjustable roof ladder according to an embodiment of the utility model.

[0031] like Figure 1 and Figure 2 As shown together, the adjustable roof ladder provided by the utility model mainly includes a ladder 1 and a ladder fixing assembly 2. The ladder fixing assembly 2 can fix the ladder 1 on the roof to ensure the safety of the climber; wherein, the ladder 1 includes two parallel ladder vertical rods 11 and a ladder cross rod 12 horizontally arranged between the two ladder vertical rods 11. The climber holds the ladder vertical rods 11 to increase stability, and the ladder cross rod 12 is used for stepping to realize the climbing function.

[0032] Adjustment holes 13 are vertically opened on both sides of the ladder vertical rod 11, and the two ends of the ladder cross bar 12 are inserted into the adjustment holes 13. External threads are set at the two ends of the ladder cross bar 12, and the ladder cross bar 12 is connected and fixed in the adjustment holes 13 by adjusting nuts; the spacing of the ladder cross bars 12 can be adjusted by adjusting the position of the ladder cross bars 12 in the adjustment holes 13, so as to adjust the ladder spacing to adapt to different construction heights and environments.

[0033] In a specific embodiment of the present invention, the ladder vertical rod is made of square steel pipe; the material is easy to obtain, strong and durable, and the contact area between the square steel pipe and the ladder fixing assembly 2 is large, which is easy to fix; the top of the ladder vertical rod 11 is chamfered to remove the edges and corners of the square steel pipe and the burrs generated during the processing to prevent injuries to the climbers; the adjustment through hole 13 is a whole long through hole, and the height of the ladder cross bar 12 can be adjusted arbitrarily.

[0034] In another specific embodiment of the present invention, the adjustment through holes 13 are multiple independent long through holes, and the adjustment through holes 13 of the two ladder vertical rods 11 correspond one to one; the ladder cross bar 12 can achieve height adjustment within a certain range; when the ladder 1 is not needed, the ladder cross bar 12 at the bottom of the ladder 1 can be removed or moved up to prevent accidents caused by unrelated personnel or children climbing up; the number of ladder cross bars 12 to be removed or moved up can be determined according to actual conditions.

[0035] In a specific embodiment of the present invention, the ladder cross bar 12 is made of round steel, which is easy to obtain and it is easy to set external threads at both ends of the ladder cross bar 12 for subsequent connection and fixation; the length of the ladder cross bar 12 is greater than the distance between the two ladder vertical rods 11, which is convenient for the two ends of the ladder cross bar 12 to be inserted into the adjustment through holes 13 of the ladder vertical rods 11 and extend out, so as to facilitate the connection and fixation of the ladder cross bar 12 with the ladder vertical rods 11; wherein, the two ends of the ladder cross bar 12 are inserted into the adjustment through holes 13 and fixed by adjusting nuts 14, and adjusting nuts 14 are provided on the inner and outer sides of the connection positions of the two ends of the ladder cross bar 12 with the ladder vertical rods 11, which can make the connection between the ladder cross bar 12 and the ladder vertical rods 11 more stable, and prevent the ladder cross bar 12 from moving and falling off during the climbing process, resulting in the occurrence of safety accidents.

[0036] The ladder 1 is fixed to the roof by a ladder fixing assembly 2. In a specific embodiment of the utility model, the ladder fixing assembly 2 includes a fixed base plate 21 and support plates 22 vertically fixed on both sides of the fixed base plate 21; wherein the fixed base plate 21 is fixedly connected to the roof, and the distance between the support plates 22 is greater than the width of the ladder vertical rod 11, so that the support plates 22 on both sides are conveniently clamped on both sides of the ladder vertical rod 11 to fix the ladder 1; the ladder fixing assembly 2 and the ladder 1 are connected by welding or bolts; the welding connection is to directly weld and fix the support plates 22 to both sides of the ladder vertical rod 11, and the bolt connection is to open a connecting hole at a position corresponding to the support plate 22 and the adjustment through hole 13, and then use bolts to fix the ladder vertical rod 11 to the support plates 22 on both sides.

[0037] In a specific embodiment of the present utility model, a fixing hole 23 is opened at the center position of the fixed base plate 21, and the ladder fixing assembly 2 is fixed by a fixing bolt 24 passing through the fixing hole 23; wherein the fixing bolt 24 is a chemical bolt or an expansion bolt, which can make the ladder fixing assembly 2 more firmly fixed and not easy to fall off and cause danger; the fixed base plate 21 and the support plate 22 are made of welded steel plates, which is easy to obtain materials and simple to manufacture.

[0038] In a specific embodiment of the present invention, a total of 6 ladder fixing components 2 are provided, which are evenly distributed below the two ladder vertical rods 11 and fix the ladder 1; an insulation board 3 is covered between the fixed bottom plate 21 and the ladder 1, and the ladder fixing components 2 are installed first and then covered with the insulation board 3, so that the installation of the ladder 1 is both firm and beautiful.

[0039] It can be seen from the above technical scheme that the adjustable roof ladder provided by the utility model can determine the maximum outer contour and ladder spacing, etc. according to the actual environment and size of the site area; the ladder vertical rods are prefabricated with square steel pipes, and adjustment through holes are vertically opened on both sides of the ladder vertical rods to cooperate with the ladder cross rods. The two ends of the ladder cross rods are threaded, and adjustment nuts are used to cooperate with adjustment and fixation, so as to realize the up and down control of adjusting the ladder spacing to adapt to different construction heights and environments; the ladder fixing assembly adopts a fixed base plate and fixed bolts to be driven into the main structure of the wall, and support plates are welded on both sides of the fixed base plate and extended out, and are fixed by welding and fixing with the support plates and the ladder vertical rods; this device is easy to manufacture and operate, and the dimensional accuracy and appearance quality are easy to control; and the position and ladder spacing of the ladder can be adjusted at any time according to the actual scene and operation needs to adapt to different construction heights and environments, making it more standardized, and is conducive to improving construction efficiency and ensuring construction safety.

[0040] As described above, the adjustable roof ladder according to the utility model is described by way of example with reference to the accompanying drawings. However, those skilled in the art should understand that various improvements can be made to the adjustable roof ladder proposed by the utility model without departing from the content of the utility model. Therefore, the protection scope of the utility model should be determined by the content of the attached claims.

Claims

1. An adjustable roof ladder, comprising a ladder and a ladder fixing assembly, characterized in that: The ladder comprises two ladder vertical rods arranged in parallel and a ladder cross rod arranged horizontally between the two ladder vertical rods; wherein, Adjustment through holes are vertically opened on both sides of the ladder vertical rod; External threads are provided at both ends of the ladder crossbar; The two ends of the ladder crossbar are inserted into the adjustment through hole and connected and fixed by adjusting nuts; The ladder is fixed on the roof through the ladder fixing assembly.

2. The adjustable roof ladder according to claim 1, characterized in that: The vertical rods of the ladder are made of square steel pipes.

3. The adjustable roof ladder according to claim 1, characterized in that: The adjusting through hole is a whole long through hole.

4. The adjustable roof ladder according to claim 1, characterized in that: The ladder crossbar is made of round steel.

5. The adjustable roof ladder according to claim 1, characterized in that: The length of the ladder crossbar is greater than the distance between the two ladder vertical bars.

6. The adjustable roof ladder according to claim 1, characterized in that: Adjustment nuts are arranged on the inner side and the outer side of the connection positions between the two ends of the ladder cross bar and the ladder vertical bar.

7. The adjustable roof ladder according to claim 1, characterized in that: The ladder fixing assembly includes a fixed bottom plate and support plates vertically fixed on both sides of the fixed bottom plate; wherein, A fixing hole is provided at the center of the fixing bottom plate; The ladder fixing assembly is fixed by means of fixing bolts passing through the fixing holes.

8. The adjustable roof ladder according to claim 7, characterized in that: The fixed bottom plate and the supporting plate are made by welding steel plates.

9. The adjustable roof ladder according to claim 7, characterized in that: The distance between the support plates is greater than the width of the ladder vertical rods.

10. The adjustable roof ladder according to claim 7, characterized in that: The fixing bolts are chemical bolts or expansion bolts.

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