Portable insulating ladder for underground maintenance
The portable insulated ladder for underground maintenance, equipped with a storage device and a limiting frame, solves the inconvenience of underground ladders under different working conditions, achieving a stable and convenient climbing effect, and improving the safety and efficiency of underground maintenance.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-24
- Publication Date
- 2026-03-27
AI Technical Summary
The existing underground maintenance ladders are inconvenient to use under different working conditions, making maintenance and repair difficult for staff.
A portable insulated ladder for underground maintenance was designed. It is fixed by setting up a storage device and a limiting frame, using a sliding groove and a rotating limiting frame for fixation, and combined with a limiting plate and a suction cup for stability, so as to prevent loosening and detachment.
This improves the stability of the ladder during movement and the safety of its use, ensuring ease of climbing for staff and the stability of the equipment.
Smart Images

Figure CN224049076U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of insulation ladder device, especially underwell maintenance portable insulation ladder. BACKGROUND
[0002] The portable insulation ladder for underwell maintenance has the characteristics of lightness, portability, compact structure, good stability and simple operation, solves the deficiencies of traditional insulation ladders in underwell operation, and improves the safety and efficiency of operation. With continuous innovation of technology, the portable insulation ladder has broad application prospects in power systems and other related fields.
[0003] Although the prior art uses a ladder to assist workers in maintenance when underwell maintenance, the ladder cannot meet different working conditions, causing inconvenience in maintenance and repair of workers, therefore, the technical personnel in the field provide a portable insulation ladder for underwell maintenance to solve the problems in the background art. SUMMARY
[0004] The utility model discloses a portable insulation ladder for underwell maintenance, which can fix the ladder body by rotating the limiting frame, avoid loosening during movement, fix the whole device by the sucker at the bottom end of the limiting plate through the ladder body, and avoid the portable insulation ladder for underwell maintenance from loosening.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a portable insulation ladder for underwell maintenance, comprising a storage device and a ladder body, the ladder body is movably arranged in the inside of the storage device, the storage device comprises a limiting frame, limiting grooves are formed on the two sides of the limiting frame respectively, fixed bolts are slidably connected to the inner walls of the two limiting grooves respectively, fixed rods are fixedly connected to the front end and the rear end of the inner wall of the limiting frame respectively, a rotating frame is rotatably connected to the front end of the limiting frame, limiting recesses are formed on the two sides of the front end of the fixed rod of the inner wall of the limiting frame respectively;
[0006] Through the above technical scheme, the ladder body is slidably arranged on the inner wall of the limiting frame through the storage device, the whole device can be stored through the sliding groove, and the ladder body can be fixed by rotating the limiting frame after storage, so as to avoid loosening during movement.
[0007] Further, the ladder body comprises a first sliding frame, second sliding frames slidably connected to the two sides of the first sliding frame, third sliding frames slidably connected to the two sides of the second sliding frames, and fourth sliding frames slidably connected to the two sides of the third sliding frames, wherein the inner side walls of the fourth sliding frames are fixedly connected with fixed blocks at the top ends, the fixed blocks are rotatably connected with limiting plates at the front ends, and the limiting plates are provided with a plurality of suction cups in a rectangular array at the bottom ends.
[0008] By the above technical scheme, the ladder body is provided with the fixed blocks on the fourth sliding frames, and the limiting plates are rotatably arranged at the front ends of the fixed blocks, so that the device can be erected at a high place for workers to climb, and meanwhile, the suction cups at the bottom ends of the limiting plates can be used to fix the device as a whole to avoid loosening.
[0009] Further, the two limiting grooves are respectively matched with the two sides of the first sliding frame.
[0010] By the above technical scheme, the stability of the first sliding frame during movement is effectively improved.
[0011] Further, the two fixed bolts are respectively screwed into the sliding grooves and the two sides of the first sliding frame.
[0012] By the above technical scheme, the first sliding frame is effectively installed.
[0013] Further, the first sliding frame, the second sliding frame, the third sliding frame and the fourth sliding frame are respectively provided with anti-skid lines at the top ends.
[0014] By the above technical scheme, the friction during use is improved.
[0015] Further, the limiting plate is an L-shaped plate.
[0016] By the above technical scheme, the device as a whole can be effectively erected at a high place.
[0017] Further, the rotating angle of the limiting plate is ninety degrees.
[0018] By the above technical scheme, the stability of erection is improved.
[0019] Further, the two fixed bolts are respectively provided with bearings at the side walls.
[0020] By the above technical scheme, the stability during sliding is improved.
[0021] The utility model has the following beneficial effects:
[0022] 1. The utility model discloses a portable insulating ladder for underground maintenance, which comprises a storage device, a fixed rod, a limiting frame, a sliding groove, a rotating frame, a fixing bolt, a limiting recess, a ladder main body, a first sliding frame, a second sliding frame, a third sliding frame, a fourth sliding frame and a fixing block.
[0023] 2. The utility model discloses a portable insulating ladder for underground maintenance, which comprises a storage device, a fixed rod, a limiting frame, a sliding groove, a rotating frame, a fixing bolt, a limiting recess, a ladder main body, a first sliding frame, a second sliding frame, a third sliding frame, a fourth sliding frame and a fixing block. BRIEF DESCRIPTION OF DRAWINGS
[0024] Figure 1 FIG. 1 is a perspective view of a portable insulating ladder for underground maintenance according to the utility model;
[0025] Figure 2 FIG. 2 is another perspective view of a portable insulating ladder for underground maintenance according to the utility model;
[0026] Figure 3 FIG. 3 is a perspective view of a storage state of a portable insulating ladder for underground maintenance according to the utility model;
[0027] Figure 4 FIG. 4 is another perspective view of a storage device of a portable insulating ladder for underground maintenance according to the utility model.
[0028] LEGEND:
[0029] 1. The utility model discloses a portable insulating ladder for underground maintenance, which comprises a storage device, a fixed rod, a limiting frame, a sliding groove, a rotating frame, a fixing bolt, a limiting recess, a ladder main body, a first sliding frame, a second sliding frame, a third sliding frame, a fourth sliding frame and a fixing block. DETAILED DESCRIPTION
[0030] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0031] REFERENCE Figures 1-4The utility model provides a kind of portable insulating ladder for downhole overhaul, including storage device 1 and ladder main body 2, ladder main body 2 is movably arranged in the inside of storage device 1, storage device 1 includes limiting frame 102, limiting frame 102 two sides are respectively provided with sliding slot 103, two sliding slots 103 inner wall is respectively slidably connected with fixed bolt 105, limiting frame 102 inner wall front end and rear end are respectively fixedly connected with fixed rod 101, limiting frame 102 front end is rotatably connected with rotating frame 104, located limiting frame 102 inner wall front end fixed rod 101 front end two sides are respectively provided with limiting recess 106, by being provided with storage device 1, ladder main body 2 is slidably arranged in the inner wall of limiting frame 102, can be stored by sliding slot 103 to device whole, and after storage is completed, ladder main body 2 can be fixed by rotating limiting frame 102, avoid loosening during movement.
[0032] Ladder main body 2 includes first sliding frame 201 and third sliding frame 203, first sliding frame 201 two sides are slidably connected with second sliding frame 202, second sliding frame 202 two sides are slidably connected with fourth sliding frame 204, third sliding frame 203 two sides are slidably connected with fourth sliding frame 204, fourth sliding frame 204 inner wall top is fixedly connected with fixed block 205, fixed block 205 front end is rotatably connected with limiting plate 206, limiting plate 206 bottom end is rectangular array with several suction cups 207, first sliding frame 201 two sides lower position is slidably connected with the inner wall of limiting frame 102, by being provided with fixed block 205 on fourth sliding frame 204, limiting plate 206 is rotatably arranged at the front end of fixed block 205, limiting plate 206 can be set up at high place using, staff member is climbed, simultaneously using the suction cup 207 of limiting plate 206 bottom end, can fix device whole, avoid loosening.
[0033] Two limiting recesses 106 are mutually adapted with first sliding frame 201 two sides respectively, two fixed bolts 105 are respectively penetrated sliding slot 103 and are screw-connected with first sliding frame 201 two sides, first sliding frame 201, second sliding frame 202, third sliding frame 203 and fourth sliding frame 204 top are respectively provided with antiskid line, limiting plate 206 is L type board, limiting plate 206 rotation angle is ninety degrees, two fixed bolt 105 side wall is respectively provided with bearing.
[0034] Working principle: through setting receiving device 1, ladder body 2 is arranged on the inner side wall of limiting frame 102 and can be received through sliding groove 103, and after receiving, limiting frame 102 can be rotated to fix ladder body 2, avoid loosening in the moving process, through setting ladder body 2, fixed block 205 is arranged on the fourth sliding frame 204, limiting plate 206 is arranged on the front end of fixed block 205, limiting plate 206 can be used to set the device on high place, and the staff can climb, and the sucker 207 at the bottom end of limiting plate 206 can be used to fix the device as a whole, avoid loosening.
[0035] Finally, it should be pointed out that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principle of the utility model, should be included in the protection scope of the utility model.
Claims
1. A portable insulated ladder for well maintenance, comprising a storage device (1) and a ladder body (2), the ladder body (2) is movably arranged inside the storage device (1), characterized in that: The accommodation device (1) includes a limiting frame (102), the limiting frame (102) is provided with a sliding slot (103) on both sides, the inner side wall of the two sliding slots (103) is slidably connected with a fixing bolt (105), the front end and the rear end of the inner side wall of the limiting frame (102) are fixedly connected with a fixing rod (101), the front end of the limiting frame (102) is rotatably connected with a rotating frame (104), and the front end of the front end of the inner side wall of the limiting frame (102) is provided with a limiting recess (106) on both sides.
2. A portable insulating ladder for use in servicing a well according to claim 1, characterized in that: The ladder body (2) includes a first sliding frame (201) and a third sliding frame (203), the two sides of the first sliding frame (201) are slidably connected with a second sliding frame (202), the two sides of the second sliding frame (202) are slidably connected with a fourth sliding frame (204), the two sides of the third sliding frame (203) are slidably connected with a fourth sliding frame (204), the inner side wall top of the fourth sliding frame (204) is fixedly connected with a fixed block (205), the front end of the fixed block (205) is rotatably connected with a limiting plate (206), the bottom end of the limiting plate (206) is rectangularly arranged with a plurality of suction cups (207), and the lower positions on the two sides of the first sliding frame (201) are slidably connected with the inner side wall of the limiting frame (102).
3. A portable insulating ladder for use in servicing a well according to claim 2, characterized in that: The two limiting recesses (106) are adapted to the two sides of the first sliding frame (201) respectively.
4. A portable insulating ladder for use in servicing a well according to claim 2, characterized in that: The two fixing bolts (105) are respectively threaded into the sliding slots (103) and the two sides of the first sliding frame (201).
5. A portable insulating ladder for use in servicing a well according to claim 2, characterized in that: The top of the first sliding frame (201), the second sliding frame (202), the third sliding frame (203) and the fourth sliding frame (204) are respectively provided with anti-skid lines.
6. A portable insulated service ladder for use in servicing a well as claimed in claim 2, characterised in that: The limiting plate (206) is an L-shaped plate.
7. A portable insulated ladder for use in servicing a well as defined in claim 2, characterized in that: The rotation angle of the limiting plate (206) is ninety degrees.
8. The portable insulated service ladder of claim 1, wherein: The side walls of the two fixing bolts (105) are respectively sleeved with bearings.