Light foldable ladder stand for road maintenance polling guardrail
By designing a lightweight, foldable inspection guardrail ladder, and utilizing a hook and pole structure to achieve the splicing and folding of the ladder, the problems of the existing inspection ladder being bulky and having poor terrain adaptability are solved, thus improving the safety and portability of inspections.
Patent Information
- Application Number
- CN202423318503.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2034-12-31
AI Technical Summary
Existing highway maintenance and inspection ladders are bulky, cumbersome, and poorly portable, failing to meet the requirements for crossing three-wave guardrails. They also have poor terrain adaptability and pose a risk of falling.
A lightweight, foldable inspection guardrail ladder was designed, including a first ladder and a second ladder. It can be spliced and folded through a hook and pole structure, and is equipped with a detachable handrail structure. It is suitable for crossing two-wave and three-wave guardrails and has high stability and flexibility.
It achieves high applicability and safety for various types of guardrails during inspection, has good portability and operability, is suitable for various terrains, and reduces the risk of falling.
Smart Images

Figure CN223707518U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a highway maintenance technical field especially relates to a light -duty foldable highway maintenance inspection guardrail ladder stand. BACKGROUND
[0002] At present, the highway maintenance inspection in our country mostly adopts the pedal guard rail leapfrog mode, and the personnel injury events such as falling down and falling caused by leapfrogging often occur in the inspection process (especially under the adverse weather such as rain and snow), and the safety of personnel inspection operation cannot be guaranteed.
[0003] In the prior art, part of the road section of the highway adopts the old ladder stand in the inspection process, and the ladder stand has the following defects:
[0004] (1) the device is heavy, and the volume size is large, cannot be folded or the folding efficiency is low, needs many people to move and unload in the transportation process, the maintenance inspection vehicle cannot be effectively accommodated, and the portability and daily operability are poor.
[0005] (2) the device height is insufficient, generally 0.7m ground clearance, can only be used for two wave guard rail crossing, and cannot meet the crossing demand of three wave guard rails.
[0006] (3) the device terrain adaptability is poor, and the flatness, net width and height difference of the ground on both sides of the guard rail are required to be high, for the flatness, two side height difference and shoulder net width slightly poor terrain conditions, the device will appear unstable problems such as cannot be placed or placed, and the safe and effective use cannot be guaranteed.
[0007] (4) the device has no handrail or the handrail height is low, and the personnel has certain falling safety risk, and the psychological safety cannot be effectively met.
[0008] Therefore, based on the above technical problems, the technical personnel in the field urgently need to develop a light -duty foldable highway maintenance inspection guardrail ladder stand. UTILITY MODEL CONTENT
[0009] The utility model aims at providing a light -duty foldable highway maintenance inspection guardrail ladder stand, which can meet the applicability of the ladder stand in the inspection guard rail crossing, is suitable for the crossing demand of various three wave guard rails, has good safety, has higher flexibility and is convenient to store and carry.
[0010] In order to realize the above object, the utility model provides the following technical scheme:
[0011] The utility model relates to a light -duty foldable highway maintenance inspection guardrail ladder stand, which comprises:
[0012] The first ladder and the second ladder are provided with a hanging hook on each side of the upper end of the same surface of the first ladder for hanging on the highway guardrail, a first pipe is provided on the side opposite to the hanging hook of the first ladder, and a plug rod is provided on each side of the upper end of the same surface of the second ladder for being inserted into the first pipe.
[0013] A second pipe is provided on the side opposite to the hanging hook of the first ladder for inserting the plug rod, the second pipe is provided on each side of the same surface of the first ladder, and the second pipe is correspondingly provided with the plug rod.
[0014] Further, the first ladder is inclined relative to the hanging hook, so that when the hanging hook is hung on the highway guardrail, the inclined state of the first ladder makes the lower end of the first ladder inclined away from the highway guardrail.
[0015] Further, the upper end of the plug rod is hingedly connected with the second ladder.
[0016] Further, a handrail structure is detachably provided on the top of the hanging hook.
[0017] Further, the handrail structure comprises a third pipe vertically provided on the top of the hanging hook and a vertical rod inserted into the third pipe, and a rectangular handrail frame is provided on the upper end of the vertical rod.
[0018] Further, the third pipe is a quadrangular prism-shaped hollow pipe, and the vertical rod is a quadrangular prism-shaped rod matching the shape of the third pipe.
[0019] In the above technical solution, the light-weight foldable highway maintenance and inspection guardrail ladder has the following beneficial effects:
[0020] The first ladder and the second ladder can be mutually connected to form a use state and a storage state, in the use state, the device is hung on the guardrail and has good stability, the first ladder and the second ladder are respectively located on the two sides of the highway guardrail, which is convenient for the staff to go back and forth on the two sides of the guardrail and has high applicability in the inspection of the guardrail, is suitable for the crossing requirements of various two-wave and three-wave guardrails, the storage state makes the first ladder and the second ladder overlap with each other, has high flexibility and is convenient for storage and carrying, and the handrail structure can be installed at any time and used as a guardrail, which is convenient for climbing and has good safety. BRIEF DESCRIPTION OF DRAWINGS
[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments. Obviously, the drawings described below are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art based on these drawings.
[0022] Fig. 1 A structure schematic diagram of a light foldable highway maintenance inspection guardrail ladder provided by the embodiment of the present application is provided.
[0023] Fig. 2 A first ladder and a second ladder splicing schematic diagram of a light foldable highway maintenance inspection guardrail ladder provided by the embodiment of the present application is provided.
[0024] Fig. 3 A first ladder and a second ladder storage state schematic diagram of a light foldable highway maintenance inspection guardrail ladder provided by the embodiment of the present application is provided.
[0025] Fig. 4 A distribution schematic diagram of a mounting hook on a first ladder of a light foldable highway maintenance inspection guardrail ladder provided by the embodiment of the present application is provided.
[0026] Marked legend:
[0027] 1, first ladder; 2, second ladder; 3, mounting hook; 4, first pipe; 5, insertion rod; 6, second pipe; 7, third pipe; 8, vertical rod; 9, rectangular handrail frame. Specific implementation
[0028] In order to make those skilled in the art better understand the technical solutions of the present application, the present application will be further described in detail below with reference to the drawings.
[0029] Referring to Figs. 1 to 4 As shown in the figure;
[0030] The embodiment discloses a light foldable highway maintenance inspection guardrail ladder, comprising:
[0031] The first ladder 1 and the second ladder 2, the two sides of the upper end of the same surface of the first ladder 1 are provided with hanging hooks 3 for hanging on the highway guardrail, generally, the height difference of the highway guardrail from the ground is small, the upper end of the first ladder 1 is hung on the guardrail through the hanging hooks 3, the lower end is inclined to support on the ground to bear most of the gravity, and the first ladder 1 is fixed and stable, not easy to fall, and high safety, the first pipe 4 is arranged on the side opposite to the first ladder 1 of the hanging hook 3, the two sides of the upper end of the same surface of the second ladder 2 are provided with the insertion rod 5 inserted into the first pipe 4, and the insertion rod 5 and the first pipe 4 are one-to-one corresponding, so that the insertion rod 5 of the second ladder 2 is inserted into the first pipe 4, the first ladder 1 and the second ladder 2 are connected in a splicing manner, and then the second ladder 2 is hung on the other side of the guardrail, so that the staff can conveniently go back and forth on the two sides of the guardrail.
[0032] The second pipe 6 for inserting the insertion rod 5 is arranged on the side opposite to the hanging hook 3 of the first ladder 1, the two sides of the same surface of the first ladder 1 are provided with the second pipe 6, and the second pipe 6 and the insertion rod 5 are one-to-one corresponding, specifically, when the device is not used for storage and carrying, the insertion rod 5 of the second ladder 2 is inserted into the second pipe 6, the first ladder 1 and the second ladder 2 are folded and stored in an overlapping manner, the volume is smaller, the storage and carrying are more convenient, and the flexibility of using the device is improved.
[0033] Further, the first ladder 1 is inclined relative to the hanging hook 3, so that when the hanging hook 3 is hung on the highway guardrail, the inclined state of the first ladder 1 makes the lower end of the first ladder 1 inclined away from the highway guardrail, that is, equivalent to the conventional ladder being inclined on the climbing surface to facilitate climbing use.
[0034] Further, the upper end of the insertion rod 5 is hingedly connected with the second ladder 2, so that after the second ladder 2 is installed, the inclination angle thereof can be adjusted, in the structure, in the case that the height difference between the highway pavement on the other side of the guardrail and the ground is small, the inclination angle of the second ladder 2 is adjusted to be able to support on the ground, and at the same time, the second ladder 2 is hung and supported on the hanging hook 3, so that the second ladder 2 can be stably used without being affected, and when the second ladder 2 is stored on the first ladder 1, the folding storage after the recombination and connection between the first ladder 1 and the second ladder 2 is equivalent to the folding storage, finally the second ladder 2 and the first ladder 1 are folded to be parallel to each other and stacked, which is more conducive to reducing the storage volume and facilitating carrying.
[0035] Further, the top of the hanging hook 3 is detachably provided with a handrail structure, when the handrail is needed to be used, the handrail structure is installed on the hanging hook 3, which is more safe, and when it is stored, the handrail structure is taken off from the hanging hook 3, which is convenient for carrying.
[0036] Further, the handrail structure comprises a third pipe 7 vertically arranged on the top of the mounting hook 3 and a vertical rod 8 inserted into the third pipe 7, and a rectangular handrail frame 9 is arranged on the upper end of the vertical rod 8, so that the rectangular handrail frame 9 on the vertical rod 8 is used as a guardrail and a handrail when climbing the first ladder 1 and the second ladder 2.
[0037] Specifically, when the handrail structure is installed, the lower end of the vertical rod 8 is directly inserted into the third pipe 7, so that the vertical rod 8 is supported by the third pipe 7 to keep vertical, the height of the vertical rod 8 can be used when the worker climbs to the top, and the rectangular handrail frame 9 on the upper end of the vertical rod 8 is used as a handrail when the worker climbs the first ladder 1 and the second ladder 2 on both sides of the highway guardrail, so that the worker is safer when climbing the guardrail for highway maintenance and inspection.
[0038] Further, the third pipe 7 is a quadrangular prism-shaped hollow pipe, and the vertical rod 8 is a quadrangular prism-shaped rod matched with the third pipe 7, so that the third pipe 7 and the vertical rod 8 with a quadrangular prism cross section are inserted, the vertical rod 8 is prevented from rotating axially relative to the third pipe 7, the vertical rod 8 is stably supported, and the vertical rod 8 is stably used as a handrail.
[0039] In the above technical solution, the light-weight foldable highway maintenance and inspection guardrail ladder has the following beneficial effects:
[0040] The first ladder and the second ladder can be connected to each other to form a use state and a storage state, the device is mounted on the guardrail in the use state, has good stability, the first ladder and the second ladder are respectively located on both sides of the highway guardrail, the worker can conveniently go back and forth on both sides of the guardrail, has high applicability in the process of inspecting the guardrail, is suitable for the crossing requirements of various two-wave and three-wave guardrails, the first ladder and the second ladder are overlapped in the storage state, have high flexibility and are convenient to store and carry, the handrail structure can be installed at any time and used as a guardrail, is convenient to climb, has good safety.
[0041] The above only describes some exemplary embodiments of the utility model by way of illustration, without doubt, for ordinary skilled in the art, under the condition that the spirit and scope of the utility model are not deviated, the described embodiments can be modified in various different ways. Therefore, the above drawings and description are illustrative in nature and should not be understood as limiting the protection scope of the utility model claims.
Claims
1. A lightweight, foldable, highway maintenance inspection guardrail ladder climber, characterized by, The utility model relates to a first ladder (1) and second ladder (2), the first ladder (1) is provided with the hook (3) on both sides of the upper end of the same surface to be hung on the highway guardrail, the first pipe (4) is arranged on the side opposite to the first ladder (1) of the hook (3), the second ladder (2) is provided with the insertion rod (5) inserted into the first pipe (4) on both sides of the upper end of the same surface, and the insertion rod (5) and the first pipe (4) are one-to-one corresponding arrangement. The second pipe (6) is arranged on both sides of the first ladder (1) to make the insertion rod (5) inserted, and the second pipe (6) and the insertion rod (5) are one-to-one corresponding arrangement. The first ladder (1) is inclined relative to the hook (3), so that when the hook (3) is hung on the highway guardrail, the first ladder (1) is inclined to the direction away from the highway guardrail.
2. A light weight foldable highway maintenance inspection guardrail ladder according to claim 1, wherein, The upper end of the insertion rod (5) is hingedly connected with the second ladder (2).
3. A light weight foldable highway maintenance inspection guardrail ladder according to claim 1, wherein, The top of the hook (3) is detachably provided with a handrail structure.
4. The light-duty foldable highway maintenance inspection guardrail ladder of claim 1, wherein, The handrail structure includes a third pipe (7) vertically arranged on the top of the hook (3) and a vertical rod (8) inserted into the third pipe (7), and the upper end of the vertical rod (8) is provided with a rectangular handrail frame (9).
5. A light weight foldable highway maintenance inspection guardrail ladder according to claim 4, wherein, The third pipe (7) is a four-prism-shaped hollow pipe, and the vertical rod (8) is a four-prism-shaped rod matched with the shape of the third pipe (7).
6. A light duty foldable highway maintenance inspection barrier ladder climb according to claim 5 wherein,