Folding ladder stand for elevator shaft
By using folding ladders with hydraulic structures and rotary shaft connection structures in elevator shafts, the existing folding ladders are solved, and the safe climbing and flexible operation of operators are achieved.
Patent Information
- Application Number
- CN202420923342.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-30
- Publication Date
- 2025-02-14
- Estimated Expiration
- 2034-04-30
AI Technical Summary
When used in elevator shafts, due to the small space and the angle of the single-shaped folding ladder is too small, the ladder is steep and unsafe, and cannot be effectively fixed and easy to shake.
The hydraulic structure is used to fix the folding ladder tightly on the inner wall of the elevator shaft, and the structure is combined and folded through the rotating shaft to ensure that the ladder body remains vertical when used.
Effectively prevent operators from shaking while climbing, ensure personal safety, and facilitate operators to stay at any height of the ladder to operate.
Smart Images

Figure CN222478603U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of folding ladders, in particular to a folding ladder used in an elevator shaft. Background Art
[0002] A folding ladder is a civil engineering product that helps workers climb up and down on the construction site, just like a movable staircase. The folding ladder is opened when in use and folded up after use for easy transfer. The workmanship of a folding ladder must be solid and sturdy. Folding ladders are widely used in various civil engineering projects and decoration projects. The convenience and dual-use of folding ladders are liked by more and more people.
[0003] Due to the small space in the elevator shaft, most herringbone folding ladders cannot be used. Although straight folding ladders can be used, the angle between the folding ladder and the wall is too small, making the ladder very steep. When the operator climbs up the ladder, there is a possibility of shaking, which is very unsafe. Utility Model Content
[0004] The purpose of the utility model is to solve the shortcomings of the prior art and propose a foldable ladder for an elevator shaft. The utility model can fix the foldable ladder tightly to the inner wall of the elevator shaft through a hydraulic structure, so that the operator will not shake when climbing, which can not only ensure the personal safety of the operator, but also facilitate the operator to stay at any height of the ladder to operate.
[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0006] A foldable ladder for an elevator shaft comprises: two ladder bodies, the two ladder bodies are combined by a rotating shaft connection structure, the tail ends of the two ladder bodies are respectively equipped with two hydraulic support structures, and the interiors of the four groups of hydraulic support structures are equipped with hydraulic structures; the rotating shaft connection structure comprises: two connecting shafts and two combination plates; the two connecting shafts are respectively movably mounted on the upper ends of the two ladder bodies, the side walls of the two combination plates are respectively provided with two closed holes and two open holes, and the closed holes of the two combination plates are sleeved on the outside of the connecting shafts.
[0007] The utility model is further configured as four groups of hydraulic support structures including: a hydraulic seat and a hydraulic sleeve; the hydraulic seat is installed on the side wall surface of the ladder body, and the hydraulic sleeve is movably sleeved inside the hydraulic seat.
[0008] The utility model is further configured as four groups of hydraulic structures including: a secondary hydraulic machine, a support and two friction plates; the secondary hydraulic machine is fixedly installed inside the hydraulic casing, the support is installed at the tail of the secondary hydraulic machine, and the two friction plates are respectively installed at the driving end of the secondary hydraulic machine and the tail end of the support.
[0009] The utility model is further configured that a plurality of friction nails are installed on the outer wall surfaces of the two friction plates.
[0010] The utility model is further configured that the two ladder bodies can rotate with the connecting shaft as the axis.
[0011] The utility model is further configured that two side surfaces of the two ladder bodies are respectively provided with stop shafts, and the stop shafts can be inserted into the open holes of the combination plate.
[0012] The utility model is further configured that handrails are installed on the front wall surfaces of the two ladder bodies.
[0013] The beneficial effects of the utility model are as follows: the utility model can tightly fix the folding ladder to the inner wall of the elevator shaft through the hydraulic structure, so that the operator will not shake when climbing, which can not only ensure the personal safety of the operator, but also facilitate the operator to stay and operate at any height of the ladder.
[0014] The foldable ladder for an elevator shaft is provided with a rotating shaft connection structure, which can combine two ladder main bodies and allow the two ladder main bodies to be folded with the rotating shaft connection structure for easy transportation. The rotating shaft connection structure can also allow the two ladder main bodies to be opened and keep the two ladder main bodies in a vertical state without shaking.
[0015] The foldable ladder for an elevator shaft is provided with a hydraulic support structure and a hydraulic structure. The hydraulic support structure can provide support for the hydraulic structure. The hydraulic structure can fix the utility model inside the elevator shaft, and can vertically fix two ladder bodies on the inner wall of the elevator shaft, making it convenient for operators to climb. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a schematic diagram of the unfolded structure of a foldable ladder for an elevator shaft proposed by the utility model;
[0017] Figure 2 A schematic diagram of the folding structure of a foldable ladder for an elevator shaft proposed by the utility model;
[0018] Figure 3 This is a schematic diagram of a rotating shaft connection structure of a foldable ladder used in an elevator shaft proposed by the utility model;
[0019] Figure 4 The utility model is a partial structural exploded schematic diagram of a foldable ladder for an elevator shaft.
[0020] In the figure: 1. Ladder body; 2. Connecting shaft; 3. Combination plate; 4. Hydraulic seat; 5. Hydraulic casing; 6. Secondary hydraulic machine; 7. Support column; 8. Friction plate; 9. Friction pin; 10. Stop shaft; 11. Handrail. DETAILED DESCRIPTION
[0021] The technical solution of this patent is further described in detail below in conjunction with specific implementation methods.
[0022] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.
[0023] In the description of this patent, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing this patent and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this patent.
[0024] In the description of this patent, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense, for example, it can be fixedly connected or set, or it can be detachably connected or set, or connected or set in one piece. For ordinary technicians in this field, the specific meanings of the above terms in this patent can be understood according to specific circumstances.
[0025] Reference Figure 1-4A foldable ladder for an elevator shaft comprises: two ladder bodies 1, the two ladder bodies 1 are combined by a rotating shaft connection structure, two hydraulic support structures are respectively installed at the tail ends of the two ladder bodies 1, and a hydraulic structure is installed inside the four sets of hydraulic support structures; the rotating shaft connection structure comprises: two connecting shafts 2 and two combination plates 3; the two connecting shafts 2 are respectively movably installed at the upper ends of the two ladder bodies 1, and the side walls of the two combination plates 3 are respectively provided with two closed holes and two open holes, and the closed holes of the two combination plates 3 are sleeved on the connecting shafts 2 On the outside, the two ladder bodies 1 can rotate around the connecting shaft 2 as the axis, and the two side surfaces of the two ladder bodies 1 are respectively installed with stop shafts 10, and the stop shafts 10 can be stuck in the open holes of the combination plate 3, and the front walls of the two ladder bodies 1 are installed with handrails 11. The rotating shaft connection structure can combine the two ladder bodies 1, and can allow the two ladder bodies 1 to be folded with the rotating shaft connection structure for easy transportation, and the rotating shaft connection structure can allow the two ladder bodies 1 to be opened, and can keep the two ladder bodies 1 in a vertical state without shaking.
[0026] Specifically, the four groups of hydraulic support structures include: a hydraulic seat 4 and a hydraulic sleeve 5; the hydraulic seat 4 is installed on the side wall of the ladder body 1, and the hydraulic sleeve 5 is movably sleeved inside the hydraulic seat 4. The four groups of hydraulic structures include: a secondary hydraulic machine 6, a support 7 and two friction plates 8; the secondary hydraulic machine 6 is fixedly installed inside the hydraulic sleeve 5, and the support 7 is installed at the tail of the secondary hydraulic machine 6. The two friction plates 8 are respectively installed at the driving end of the secondary hydraulic machine 6 and the tail end of the support 7. A number of friction nails 9 are installed on the outer wall of the two friction plates 8. The hydraulic support structure can provide support for the hydraulic structure. The hydraulic structure can fix the utility model inside the elevator shaft, and can allow the two ladder bodies 1 to be vertically fixed on the inner wall of the elevator shaft, which is convenient for operators to climb.
[0027] Working principle: When using the utility model, first open the two ladder bodies 1 with the two connecting shafts 2 as the axis, until the blocking shafts 10 of the two ladder bodies 1 are respectively stuck in the open holes of the combination plate 3, and then the operator stands the opened utility model inside the elevator shaft, and then the operator starts the secondary hydraulic press 6, and the driving end of the secondary hydraulic press 6 extends until the four groups of friction plates 8 and friction nails 9 are tightly fitted with the inside of the elevator shaft. At this time, the installation of the utility model is completed. At this time, the two ladder bodies 1 are parallel to the inner wall of the elevator shaft, and the operator can climb by holding the handrail 11.
[0028] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A foldable ladder for an elevator shaft, comprising: Two ladder bodies (1), characterized in that the two ladder bodies (1) are combined via a rotating shaft connection structure, two hydraulic support structures are respectively installed at the rear ends of the two ladder bodies (1), and hydraulic structures are installed inside the four groups of hydraulic support structures; The rotating shaft connection structure comprises: two connecting shafts (2) and two combination plates (3); The two connecting shafts (2) are movably mounted on the upper ends of the two ladder bodies (1), and the side walls of the two combined plates (3) are respectively provided with two closed holes and two open holes, and the closed holes of the two combined plates (3) are sleeved on the outside of the connecting shafts (2).
2. A foldable ladder for an elevator shaft according to claim 1, characterized in that: The four groups of hydraulic support structures include: a hydraulic seat (4) and a hydraulic sleeve (5); The hydraulic seat (4) is mounted on the side wall of the ladder body (1), and the hydraulic sleeve (5) is movably sleeved inside the hydraulic seat (4).
3. A foldable ladder for an elevator shaft according to claim 1, characterized in that: The four groups of hydraulic structures include: a secondary hydraulic device (6), a support (7) and two friction plates (8); The secondary hydraulic machine (6) is fixedly mounted inside the hydraulic casing (5), the support (7) is mounted at the tail of the secondary hydraulic machine (6), and the two friction plates (8) are respectively mounted at the driving end of the secondary hydraulic machine (6) and the tail end of the support (7).
4. A foldable ladder for an elevator shaft according to claim 3, characterized in that: A plurality of friction pins (9) are installed on the outer wall surfaces of the two friction plates (8).
5. A foldable ladder for an elevator shaft according to claim 1, characterized in that: The two ladder bodies (1) are capable of rotating around the connecting shaft (2) as an axis.
6. A foldable ladder for an elevator shaft according to claim 1, characterized in that: Stop shafts (10) are respectively installed on the two side surfaces of the two ladder bodies (1), and the stop shafts (10) can be inserted into the open holes of the combination plates (3).
7. A foldable ladder for an elevator shaft according to claim 1, characterized in that: Handrails (11) are installed on the front wall surfaces of the two ladder bodies (1).