Combined frame type safety ladder cage
By designing a combined frame-type safety ladder cage, flexible adjustment of the height of the ladder cage and multi-layer protective structure are achieved, solving the problems of inconvenient adjustment of the height of the ladder cage and insufficient protection in the prior art, and significantly improving safety.
Patent Information
- Application Number
- CN202421427176.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-21
- Publication Date
- 2025-04-08
- Estimated Expiration
- 2034-06-21
AI Technical Summary
In the prior art, the height of the ladder cage is inconvenient to adjust, and the protection of the sides and top is poor, resulting in lower safety.
A combined frame safety ladder cage is designed to achieve flexible adjustment of the height of the ladder cage by setting a detachable connecting rod and top frame. At the same time, a multi-layer protective structure and adjustable guardrails are used to enhance the side and top protection of the ladder cage.
It realizes flexible adjustment of the height of the ladder cage, enhances the safety of the ladder cage, especially the protection of the sides and top, and improves the safety of construction personnel.
Smart Images

Figure CN222731174U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of combined safety ladder cages, in particular to a combined frame type safety ladder cage. Background Art
[0002] With the continuous development of urban construction, the safety performance requirements for operating equipment in the construction industry are gradually increasing. In the field of high-altitude construction operation technology, in order to ensure the safe and reliable construction, it is necessary to build a ladder cage so that construction workers can step on the pedal position on the ladder cage body to carry out construction work, and it is also convenient for construction workers to safely go up and down between the ladder cage bodies on different floors.
[0003] After searching, in the prior art, a Chinese patent with patent application number CN202020094724.8 discloses a modular safety ladder cage for construction, including a base, a first frame body is provided on both the front and rear sides of the top of the base, a second frame body is provided on both the left and right sides of the top of the base, and mounting blocks are fixedly connected around the top of the base, the top of the first frame body and the top of the second frame body, and first mounting holes are provided on both sides of the opposite sides of the two mounting blocks. The utility model is provided with a base, a first frame body, a reinforcing rib, a first threaded hole, a mounting block, a first mounting hole, a connecting plate, a mounting rod, a large bolt, a handrail, a staircase, a mounting seat, a second mounting hole, a mesh door, a second threaded hole, a mounting groove, a second frame body, a slider and a slide groove for coordinated use, but the following defects still exist:
[0004] (1) In the prior art, the height of each unit of the cage is constant, which makes it difficult to adjust the height according to the situation and has poor flexibility;
[0005] (2) In the prior art, the side of the ladder cage is protected by reinforcing ribs, the gaps between them are large, and there is a lack of protective structure on the top of the ladder cage, resulting in poor safety.
[0006] Therefore, we make improvements to this and propose a combined frame type safety ladder cage. Utility Model Content
[0007] The utility model aims to solve the problem that the existing ladder cage has the problem of inconvenient and poor assembling height adjustment and poor safety.
[0008] In order to achieve the above-mentioned utility model purpose, the utility model provides the following technical solutions:
[0009] Combined frame type safety ladder cage is used to improve the above problems.
[0010] The utility model is specifically as follows:
[0011] The invention comprises a first base frame, wherein the first base frame is connected to a first connecting rod through a bolt assembly, the first connecting rod is connected to a first top frame through a bolt assembly, a second base frame is clamped in the first top frame, and the second base frame is connected to the first top frame through a bolt assembly, the second base frame is connected to a second connecting rod through a bolt assembly, the second connecting rod is connected to the second top frame through a bolt assembly, a third base frame is clamped in the second top frame, and the third base frame is connected to the second top frame through a bolt assembly, a plate sleeve is fixedly connected in the first base frame, the second base frame and the third base frame are all fixedly connected with a plate sleeve, a pedal is slidably connected in the plate sleeve, an end of the pedal away from the plate sleeve is fixedly connected with a mounting block, and the mounting block is respectively fixed to the first base frame, the second base frame and the third base frame through bolts, two mounting seats are detachably mounted on the upper and lower mounting blocks through bolts, a rotating shaft is rotatably connected between the two mounting seats, a staircase is fixedly connected between the upper and lower adjacent rotating shafts, and a handrail is fixedly connected to the staircase, a first protective structure is provided in the front and rear ends of the first base frame and the second base frame, and a second protective structure is provided in the left and right ends of the first base frame and the second base frame.
[0012] As a preferred technical solution of the utility model, the first protective structure includes a first cross bar fixed to the front and rear side walls of the first base frame and the second base frame respectively by bolt assemblies, a second cross bar is provided on the upper side of the first cross bar, the second cross bar is respectively connected to the first top frame and the second top frame by bolt assemblies, a group of first rod sleeves are evenly fixedly connected to the upper end surface of the first cross bar, a first adjusting rod is slidably connected in the first rod sleeve, and the top end of the first adjusting rod is fixedly connected to the second cross bar.
[0013] As a preferred technical solution of the utility model, the second protective structure includes a third cross bar fixed to the left and right side walls of the first base frame and the second base frame respectively by bolt assemblies, a fourth cross bar is provided on the upper side of the third cross bar, and the fourth cross bar is respectively connected to the first top frame and the second top frame by bolt assemblies, a group of second rod sleeves are evenly fixedly connected to the upper end surface of the third cross bar, a second adjusting rod is slidably connected in the second rod sleeve, and the top end of the second adjusting rod is fixedly connected to the fourth cross bar.
[0014] As a preferred technical solution of the utility model, the front and rear side walls of the third chassis are detachably connected with long guardrails via bolt assemblies, and the top rear side wall of the third chassis is detachably connected with short guardrails via bolt assemblies.
[0015] As a preferred technical solution of the utility model, a group of through holes are evenly opened on the first connecting rod and the second connecting rod.
[0016] As a preferred technical solution of the utility model, the first base frame, the second base frame and the third base frame are each provided with two groups of threaded holes matching the mounting blocks.
[0017] Compared with the prior art, the utility model has the following beneficial effects:
[0018] In the solution of the utility model:
[0019] 1. By setting the first base frame, the first connecting rod, the first top frame, the plate sleeve, the pedal, the mounting block, the mounting seat, the rotating shaft and the stairs, the height of the ladder cage can be flexibly adjusted, which is convenient for assembly and disassembly, transportation, and flexible adjustment according to actual use conditions. It has stronger applicability and solves the problem that the height of the ladder cage is constant and inconvenient to adjust in the prior art;
[0020] 2. By setting up the first protective structure, the second protective structure, the long guardrail and the short guardrail, good protection is achieved for the sides of the ladder cage, the gap is small and the length can be easily adjusted, which facilitates the protection of the top of the ladder cage, improves safety, and solves the problem of poor protection of the sides and top of the ladder cage in the prior art. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 The overall structural diagram of the combined frame type safety ladder cage provided by the utility model;
[0022] Figure 2 This is a schematic diagram of the overall structure of the combined frame type safety ladder cage provided by the utility model from another perspective;
[0023] Figure 3 A schematic diagram of the internal structure of a combined frame safety ladder cage provided by the utility model;
[0024] Figure 4 A schematic diagram of the structure of the stairs and connecting parts of the combined frame type safety ladder cage provided by the utility model;
[0025] Figure 5 A schematic diagram of a first protective structure of a combined frame type safety ladder cage provided by the utility model;
[0026] Figure 6 This is a schematic diagram of the second protective structure of the combined frame type safety ladder cage provided by the utility model.
[0027] Indicated in the figure:
[0028] 1. First base frame; 2. First connecting rod; 3. First top frame; 4. Second base frame; 5. Second connecting rod; 6. Second top frame; 7. Third base frame; 8. Plate sleeve; 9. Pedal; 10. Mounting block; 11. Mounting seat; 12. Rotating shaft; 13. Stairs; 14. Handrail; 15. First protective structure; 1501. First cross bar; 1502. Second cross bar; 1503. First rod sleeve; 1504. Second adjusting rod; 16. Second protective structure; 1601. Third cross bar; 1602. Fourth cross bar; 1603. Second rod sleeve; 1604. Second adjusting rod; 17. Long guardrail; 18. Short guardrail; 19. Through hole; 20. Threaded hole. DETAILED DESCRIPTION
[0029] To make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be described clearly and completely in conjunction with the accompanying drawings. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments.
[0030] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6As shown, the present embodiment proposes a combined frame type safety ladder cage, comprising a first base frame 1, the first base frame 1 is connected to a first connecting rod 2 by a bolt assembly, the first connecting rod 2 is connected to a first top frame 3 by a bolt assembly, a second base frame 4 is clamped in the first top frame 3, and the second base frame 4 is connected to the first top frame 3 by a bolt assembly, the second base frame 4 is connected to the second connecting rod 5 by a bolt assembly, the second connecting rod 5 is connected to the second top frame 6 by a bolt assembly, a third base frame 7 is clamped in the second top frame 6, and the third base frame 7 is connected to the second top frame 6 by a bolt assembly, forming a main frame of the ladder cage to form a stable structure, which is convenient for assembly and can be flexibly assembled in height. The height of each unit of the ladder cage can also be adjusted, and the first base frame 1, the second base frame 4 and the third base frame 7 are all fixedly connected with a plate sleeve 8, and the plate sleeve 8 is slidably connected with A pedal 9 is provided, at one end of the pedal 9 away from the plate sleeve 8, with a mounting block 10 fixedly connected thereto, and the mounting block 10 is respectively fixed to the first base frame 1, the second base frame 4 and the third base frame 7 by bolts, and two mounting seats 11 are detachably mounted on the upper and lower mounting blocks 10 by bolts, and a rotating shaft 12 is rotatably connected between the two mounting seats 11, and a staircase 13 is fixedly connected between the upper and lower adjacent rotating shafts 12, so as to facilitate the installation of the staircase 13 and meet the requirements of unit height adjustment, and a handrail 14 is fixedly connected to the staircase 13, and a first protective structure 15 is provided in the front and rear ends of the first base frame 1 and the second base frame 4, and a second protective structure 16 is provided in the left and right ends of the first base frame 1 and the second base frame 4, and the handrail 14, the first protective structure 15 and the second protective structure 16 provide comprehensive safety protection to ensure the safety of users going up and down with higher safety.
[0031] like Figure 1 and Figure 5 As shown, as a preferred embodiment, on the basis of the above method, further, the first protective structure 15 includes a first cross bar 1501 fixed to the front and rear side walls of the first base frame 1 and the second base frame 4 respectively by bolt assemblies, a second cross bar 1502 is provided on the upper side of the first cross bar 1501, the second cross bar 1502 is respectively connected to the first top frame 3 and the second top frame 6 by bolt assemblies, a group of first rod sleeves 1503 are evenly fixedly connected to the upper end surface of the first cross bar 1501, a first adjusting rod 1504 is slidably connected in the first rod sleeve 1503, and the top of the first adjusting rod 1504 is fixedly connected to the second cross bar 1502; it is convenient to protect the side of the ladder cage, the gap is small, the protection height can be adjusted, and the safety is higher.
[0032] like Figure 2 and Figure 6As shown, as a preferred embodiment, on the basis of the above method, further, the second protective structure 16 includes a third cross bar 1601 fixed to the left and right side walls of the first base frame 1 and the second base frame 4 respectively by bolt assemblies, and a fourth cross bar 1602 is provided on the upper side of the third cross bar 1601, and the fourth cross bar 1602 is respectively connected to the first top frame 3 and the second top frame 6 by bolt assemblies, and a group of second rod sleeves 1603 are evenly fixedly connected to the upper end surface of the third cross bar 1601, and a second adjusting rod 1604 is slidably connected in the second rod sleeve 1603, and the top of the second adjusting rod 1604 is fixedly connected to the fourth cross bar 1602; it is convenient to protect the side of the ladder cage.
[0033] like Figure 1 and Figure 2 As shown, as a preferred embodiment, on the basis of the above-mentioned method, further, the front and rear side walls of the third base frame 7 are detachably connected with a long guardrail 17 through a bolt assembly, and the top rear side wall of the third base frame 7 is detachably connected with a short guardrail 18 through a bolt assembly; it is convenient to protect the top of the ladder cage and improve safety.
[0034] like Figure 1 As shown, as a preferred embodiment, on the basis of the above-mentioned manner, further, a group of through holes 19 are evenly opened on the first connecting rod 2 and the second connecting rod 5, so as to facilitate assembly and meet the requirements of different heights.
[0035] like Figure 1 and Figure 6 As shown, as a preferred embodiment, on the basis of the above method, further, two groups of threaded holes 20 matching the mounting blocks 10 are provided on the first base frame 1, the second base frame 4 and the third base frame 7; it is convenient to adjust and fix the position of the mounting blocks 10, thereby facilitating the assembly of ladder cages of different heights.
[0036] Specifically, when the combined frame type safety ladder cage is working / in use: the first connecting rod 2 is dragged to an appropriate length, and then connected to the first base frame 1 and the first top frame 3 respectively through bolt assemblies, and then the second base frame 4, the second connecting rod 5, the second top frame 6 and the third base frame 7 are installed in sequence. When installing the base frame, the mounting block 10 and the pedal 9 are dragged out to an appropriate length, and then the mounting block 10 is fixed by bolts, and then the mounting seats 11 are respectively installed on the mounting blocks 10, so as to install the stairs 13, and then the first protective structure 15 and the second protective structure 16 are assembled, and then the long guardrail 17 and the short guardrail 18 are assembled through the bolt assembly, so as to facilitate the protection of the top of the ladder cage and improve safety.
[0037] All technical features in this embodiment can be freely combined according to actual needs.
[0038] The above embodiments are preferred implementation schemes of the present invention. In addition, the present invention can also be implemented in other ways. Any obvious replacement without departing from the concept of the present technical solution is within the protection scope of the present invention.
Claims
1. A combined frame type safety ladder cage, comprising a first base frame (1), characterized in that: The first bottom frame (1) is connected to a first connecting rod (2) via a bolt assembly, the first connecting rod (2) is connected to a first top frame (3) via a bolt assembly, a second bottom frame (4) is clamped inside the first top frame (3), and the second bottom frame (4) is connected to the first top frame (3) via a bolt assembly, the second bottom frame (4) is connected to a second connecting rod (5) via a bolt assembly, the second connecting rod (5) is connected to a second top frame (6) via a bolt assembly, a third bottom frame (7) is clamped inside the second top frame (6), and the third bottom frame (7) is connected to the second top frame (6) via a bolt assembly, the first bottom frame (1), the second bottom frame (4) and the third bottom frame (7) are all fixedly connected to a plate sleeve (8), and a pedal (9) is slidably connected to the plate sleeve (8). ), an end of the pedal (9) away from the plate sleeve (8) is fixedly connected to a mounting block (10), and the mounting block (10) is respectively fixed to the first base frame (1), the second base frame (4) and the third base frame (7) by bolts, and two mounting seats (11) are detachably mounted on the upper and lower mounting blocks (10) by bolts, a rotating shaft (12) is rotatably connected between the two mounting seats (11), a staircase (13) is fixedly connected between the upper and lower adjacent rotating shafts (12), and a handrail (14) is fixedly connected to the staircase (13), and a first protective structure (15) is provided in the front and rear ends of the first base frame (1) and the second base frame (4), and a second protective structure (16) is provided in the left and right ends of the first base frame (1) and the second base frame (4).
2. A combined frame type safety ladder cage according to claim 1, characterized in that: The first protective structure (15) comprises a first cross bar (1501) fixed to the front and rear side walls of the first base frame (1) and the second base frame (4) respectively by bolt assemblies; a second cross bar (1502) is provided on the upper side of the first cross bar (1501); the second cross bar (1502) is connected to the first top frame (3) and the second top frame (6) respectively by bolt assemblies; a group of first rod sleeves (1503) are evenly and fixedly connected to the upper end surface of the first cross bar (1501); a first adjustment rod (1504) is slidably connected in the first rod sleeve (1503); and the top end of the first adjustment rod (1504) is fixedly connected to the second cross bar (1502).
3. A combined frame type safety ladder cage according to claim 1, characterized in that: The second protective structure (16) comprises a third cross bar (1601) fixed to the left and right side walls of the first bottom frame (1) and the second bottom frame (4) respectively by bolt assemblies; a fourth cross bar (1602) is provided on the upper side of the third cross bar (1601); the fourth cross bar (1602) is connected to the first top frame (3) and the second top frame (6) respectively by bolt assemblies; a group of second rod sleeves (1603) are evenly and fixedly connected to the upper end surface of the third cross bar (1601); a second adjustment rod (1604) is slidably connected in the second rod sleeve (1603); and the top end of the second adjustment rod (1604) is fixedly connected to the fourth cross bar (1602).
4. A combined frame type safety ladder cage according to claim 1, characterized in that: The front and rear side walls of the third base frame (7) are both detachably connected to long guardrails (17) via bolt assemblies, and the top rear side wall of the third base frame (7) is detachably connected to short guardrails (18) via bolt assemblies.
5. A combined frame type safety ladder cage according to claim 1, characterized in that: A group of through holes (19) are evenly formed on the first connecting rod (2) and the second connecting rod (5).
6. A combined frame type safety ladder cage according to claim 1, characterized in that: The first base frame (1), the second base frame (4) and the third base frame (7) are each provided with two groups of threaded holes (20) matching the mounting blocks (10).
Citation Information
Patent Citations
Combined safety ladder cage for building construction
CN212079184U