Anti-corrosion integrated folding type anti-falling stepping device for sewage inspection well
By using a foldable anti-fall step device made of polymer material, the problems of easy aging and breakage of traditional cast iron anti-fall nets and the danger of installing plastic steel steps are solved, realizing low-risk and low-difficulty construction of well facilities.
Patent Information
- Application Number
- CN202422571728.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-24
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2034-10-24
AI Technical Summary
Traditional cast iron safety nets are prone to aging and breakage, while plastic steel steps are dangerous to install and inefficient, failing to effectively solve the problem of fall prevention for facilities inside wells.
The foldable anti-fall step device, made of high-molecular polymer material, includes a foldable step structure and a cross anti-fall structure. It is installed at the wellhead by rotation and snap-fit, reducing construction risks and difficulties.
A corrosion-resistant and easy-to-install anti-fall step device is provided, which reduces construction risks and difficulties, and improves the service life and safety of the equipment.
Smart Images

Figure CN223634619U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to municipal drainage construction and maintenance technical field especially relates to a kind of anti-corrosion integrated folding type sewage inspection well anti-falling step device. BACKGROUND
[0002] Traditional well facilities are mainly assembled cast iron anti-falling net and plastic steel step. Cast iron anti-falling net is relatively heavy and easy to rust, and will lead to aging and breakage over time, thereby losing the anti-falling ability. Plastic steel step needs manual well installation, involves limited space operation, has high risk coefficient and low efficiency. Therefore, a step device using a new anti-corrosion material is needed to solve the above problems. SUMMARY
[0003] The utility model aims at solving the problems of cast iron anti-falling net and plastic steel step used in the prior art, which are easy to age and break, and have high installation risk coefficient, and proposes an anti-corrosion integrated folding type sewage inspection well anti-falling step device.
[0004] To achieve the above purpose, the utility model adopts the following technical scheme:
[0005] An anti-corrosion integrated folding type sewage inspection well anti-falling step device includes a folding step structure and a cross anti-falling structure, one end of the folding step structure is rotatably installed at the well mouth, the cross anti-falling structure is detachably installed at the well mouth, and the folding step structure and the cross anti-falling structure are rotatably connected.
[0006] Further, the folding step structure includes a step plate and an extension rod, a plurality of step plates are arranged between two parallel extension rods, and the step plate and the extension rod form an extension ladder structure.
[0007] Further, the top of the extension ladder structure is connected to the well mouth through a rotating shaft.
[0008] Further, the cross anti-falling structure includes a cross rotating rod and an anti-falling plate, the cross rotating rod is provided with anti-falling plates at intervals, and the cross rotating rod is rotatably connected to the step plate.
[0009] Further, a bearing is arranged between the step plate and the cross rotating rod, and the cross rotating rod is rotatably installed on the step plate through the bearing.
[0010] Further, a clamping groove corresponding to the cross rotating rod is arranged on the inner side of the well mouth, and the cross rotating rod is inserted into the clamping groove when rotating in the horizontal direction.
[0011] Further, a fixed bolt is arranged on the end face of the clamping groove close to the well mouth side wall, and the clamping groove is fixedly installed on the inner wall of the well mouth through the fixed bolt.
[0012] Compared with the prior art, the anti-corrosion integrated folding type sewage inspection well anti-falling step device has the following beneficial effects:
[0013] The anti-corrosion integrated folding type sewage inspection well anti-falling step device is made of a high-molecular polymer corrosion-resistant material, has sufficient folding strength and corrosion resistance, and is rotatably installed in the well mouth through the folding step structure, and is detachably fixed in the well mouth through the cross anti-falling structure.
[0014] Other advantages, objects and features of the present application will be described in the following description; and to some extent, based on the study of the following, it will be obvious to those skilled in the art; or, it can be taught from the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS
[0015] Fig. 1 is a top view effect schematic diagram of the overall structure of the present application;
[0016] Fig. 2 is a folding effect schematic diagram of the present application in the well mouth;
[0017] Fig. 3 is a schematic diagram of the present application in the well.
[0018] In the drawings:
[0019] 1, step plate; 2, cross rotating rod; 3, anti-falling plate; 4, rotating shaft; 5, fixed bolt; 6, clamping groove; 7, bearing; 8, telescopic rod. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all.
[0021] Referring to Figs. 1-3 The anti-corrosion integrated folding type sewage inspection well anti-falling step device comprises a folding step structure and a cross anti-falling structure, one end of the folding step structure is rotatably installed in the well mouth, the cross anti-falling structure is detachably installed in the well mouth, and the folding step structure and the cross anti-falling structure are rotatably connected.
[0022] The folding step structure and the cross anti-falling structure are made of high polymer anti-corrosion material.
[0023] The folding step structure comprises a step plate 1 and an extension rod 8, the step plate 1 is in a rod shape or a common plastic steel step shape, a plurality of step plates 1 are fixedly connected between two parallel extension rods 8, and the step plate 1 and the extension rod 8 form an extension ladder structure.
[0024] In use, the extension ladder structure is elongated downward to replace the original plastic steel step, and the installation mode of the plastic steel step is not required, thereby reducing the construction risk and difficulty.
[0025] The top of the extension ladder structure is connected with the well mouth through a rotating shaft 4, the extension ladder structure in the application is installed in a mode that the thin rod in the extension rod 8 is at the lower part and the thick rod is at the upper part, the uppermost step plate 1 in the thick rod is installed on the inner wall of the well mouth through the rotating shaft 4, so that the extension ladder structure can be rotated upward to a horizontal angle around the rotating shaft 4 and can be rotated downward to a vertical angle.
[0026] The cross rotating rod 2 is rotationally connected with the step plate 1, when the device needs to be folded, the extension ladder structure is folded and rotated to a horizontal state, at this time, the cross rotating rod 2 is also rotated from a vertical state to a horizontal state, then the cross rotating rod 2 is rotated in a horizontal direction, so that the cross rotating rod 2 is clamped with the well mouth, thereby fixing the device, and the cross anti-falling structure starts to work.
[0027] The cross anti-falling structure comprises the cross rotating rod 2 and an anti-falling plate 3, the anti-falling plate 3 is installed on the cross rotating rod 2 at intervals, the anti-falling plate 3 can be a fan ring-shaped plate structure or an arc-shaped rod structure and is installed on the inner side of the cross rotating rod 2.
[0028] When the cross anti-falling structure is rotated to a horizontal state, the anti-falling plate 3 is located in the opposite two fan-shaped areas of the cross rotating rod 2, and the folding step structure is located in the other two opposite fan-shaped areas, at this time, the cross rotating rod 2, the anti-falling plate 3 and the folding step structure jointly form an anti-falling structure to achieve an anti-falling effect.
[0029] The cross rotating rod 2 is rotationally connected with the step plate 1, after the folding step structure is folded and folded, the cross rotating rod 2 is rotated for fixing.
[0030] A bearing 7 is installed between the step plate 1 and the cross rotating rod 2, the cross rotating rod 2 is rotationally installed on the step plate 1 through the bearing 7, when the device is folded, the extension rod 8 and the step plate 1 at the lower part are folded by pulling the extension rod 8 upward through the step plate 1 first, then the folding step structure and the cross anti-falling structure are rotated by 90 degrees to be in a horizontal state, and finally the cross rotating rod 2 is rotated for fixing.
[0031] The well mouth inner side is provided with a clamping groove 6 corresponding to the cross rotating rod 2, the cross rotating rod 2 is inserted into the clamping groove 6 when rotating in the horizontal direction, the side surface of the clamping groove 6 is processed with an opening, when the cross rotating rod 2 is in the horizontal state, the cross rotating rod 2 is rotated, the end of the cross rotating rod 2 far from the center is clamped into the clamping groove 6 through the opening in the side surface of the clamping groove 6, so as to prevent the device from rotating in the vertical direction around the rotating shaft 4, thereby fixing the device in the well mouth position.
[0032] The end surface of the clamping groove 6 close to the well mouth side wall is fixed with a fixed pin 5, the clamping groove 6 is fixedly installed on the inner wall of the well mouth through the fixed pin 5, when construction, the inner side wall of the well mouth is opened, the clamping groove 6 is fixedly installed on the inner side wall of the well mouth through the fixed pin 5.
[0033] Working principle: when construction, the inner side wall of the well mouth is opened, the clamping groove 6 is fixedly installed on the inner side wall of the well mouth through the fixed pin 5, then the rotating shaft 4 is also fixedly installed on the side wall of the well mouth, so that when the folding step structure and the cross anti-falling structure rotate to the horizontal state around the rotating shaft 4, the cross rotating rod 2 can be clamped into the clamping groove 6.
[0034] When in use, the cross rotating rod 2 can be clamped into the clamping groove 6, the device as a whole surrounds the well mouth, the cross anti-falling structure cooperates with the folding step structure, can replace the original cast iron anti-falling net, and the anti-falling effect is achieved, when needing to work in the well, the cross rotating rod 2 is rotated, the cross rotating rod 2 is disassembled from the clamping groove 6, then the device is rotated downward around the rotating shaft 4, as shown in the figure, the folding step device is unfolded downward, replaces the original plastic steel step, the cross rotating rod 2 is rotated to the appropriate angle, avoids blocking the construction personnel, and the construction personnel works in the well through the folding step structure. Fig. 3
[0035] The above is only the preferred specific implementation manner of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the application concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
[0036] In the description of the present specification, the description referring to the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. Furthermore, the person skilled in the art can combine and combine the different embodiments or examples described in the present specification and the features of the different embodiments or examples, without contradiction.
[0037] Although the embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and the person skilled in the art can make changes, modifications, replacements and modifications to the above embodiments within the scope of the present application.
Claims
1. An anti-corrosion integrated folding type anti-falling step device for a sewage inspection well, characterized in that, The invention relates to a foldable ladder structure and a cross-shaped anti-falling structure, wherein one end of the foldable ladder structure is rotatably installed at a well mouth, the cross-shaped anti-falling structure is detachably installed at the well mouth, and the foldable ladder structure and the cross-shaped anti-falling structure are rotatably connected.
2. The anti-corrosion integrated folding type falling prevention step device for sewage inspection well according to claim 1, characterized in that, The foldable ladder structure comprises ladder steps (1) and telescopic rods (8), a plurality of ladder steps (1) are arranged between two parallel telescopic rods (8), and the ladder steps (1) and the telescopic rods (8) form a telescopic ladder structure.
3. The anti-corrosion integrated folding type falling prevention step device for sewage inspection well according to claim 2, characterized in that, The top of the telescopic ladder structure is connected to the well mouth through a rotating shaft (4).
4. The anti-corrosion integrated folding type falling prevention step device for sewage inspection well according to claim 2, characterized in that, The cross-shaped anti-falling structure comprises a cross-shaped rotating rod (2) and anti-falling plates (3), the anti-falling plates (3) are arranged at intervals on the cross-shaped rotating rod (2), and the cross-shaped rotating rod (2) is rotatably connected to the ladder steps (1).
5. The anti-corrosion integrated folding type falling prevention step device for sewage inspection well according to claim 4, characterized in that, A bearing (7) is arranged between the ladder steps (1) and the cross-shaped rotating rod (2), and the cross-shaped rotating rod (2) is rotatably installed on the ladder steps (1) through the bearing (7).
6. The anti-corrosion integrated folding type falling prevention step device for sewage inspection well according to claim 1, characterized in that, A clamping groove (6) corresponding to the cross-shaped rotating rod (2) is arranged inside the well mouth, and the cross-shaped rotating rod (2) is inserted into the clamping groove (6) when rotating in the horizontal direction.
7. The anti-corrosion integrated folding type falling prevention step device for sewage inspection well according to claim 6, characterized in that, A fixed bolt (5) is arranged on the end face of the clamping groove (6) close to the sidewall of the well mouth, and the clamping groove (6) is fixedly installed on the inner wall of the well mouth through the fixed bolt (5).