Anti-falling device for inspection well
By designing a combined structure of snap-fit plate, pressure ring and anti-fall plate, the problems of swaying and debris blockage in traditional inspection well anti-fall facilities are solved, achieving the effect of safety protection and convenient cleaning.
Patent Information
- Application Number
- CN202520365947.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-04
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-04
AI Technical Summary
Traditional manhole fall prevention devices are prone to shaking during use, which can lead to secondary injuries, and they cannot effectively prevent debris from entering the manhole and clogging the manhole.
Design a manhole anti-fall device, including multiple snap-fit plates, a pressure ring and an anti-fall plate. The snap-fit plates are fixed to the manhole wall, the pressure ring supports the anti-fall plate, and the anti-fall plate is provided with an overflow port and a lifting structure for easy installation, disassembly and cleaning.
It effectively prevents people from falling into the inspection well, ensuring safety, prevents debris from entering the well, facilitates cleaning, and enhances structural stability and strength.
Smart Images
Figure CN223951835U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of inspection well, especially a kind of inspection well anti-falling device. BACKGROUND
[0002] Inspection well is a structure for checking, maintaining and managing underground pipelines, cables and other facilities. It is usually a well-shaped structure, which is set at the intersection of the pipeline system, the turning place or the position needing maintenance. The design purpose of inspection well is to facilitate engineers to enter the well, check the state of the pipeline, clean the blockage, carry out maintenance or install new equipment.
[0003] To improve the safety of inspection well, a protective structure is usually set in the inspection well to prevent personnel or objects from falling into the inspection well in case of accidental loosening or loss of the well cover, and to ensure the safety of the workplace. The traditional anti-falling device generally includes an anti-falling net and an anti-falling plate, which is easy to sway during use and can easily cause secondary injury in emergency situations. Therefore, how to avoid the above situation and protect the safety of the workplace and the health of personnel still needs to be solved. SUMMARY
[0004] To solve the current technical problems, the main purpose of the utility model is to provide an inspection well anti-falling device, which can effectively prevent personnel from falling into the inspection well and ensure personnel safety. In addition, the device can effectively prevent debris from entering the inspection well to block the shaft by setting the overflow opening of the anti-falling plate, and also facilitates the cleaning of debris.
[0005] To achieve the above technical features, the utility model is implemented as follows: an inspection well anti-falling device includes multiple clamping plates fixed uniformly on the wall of the inspection well, a pressure ring is positioned and installed at the top end of the clamping plate, and an anti-falling plate for protecting the well mouth is positioned and supported at the top of the pressure ring. The anti-falling plate includes a bottom plate, an annular ring is fixed at the top end edge of the bottom plate, a convex ring is provided at the top end outer edge of the annular ring, and the convex ring is supported at the top end of the pressure ring. A lifting structure for lifting the entire anti-falling plate is installed inside the anti-falling plate.
[0006] Preferably, the clamping plate includes a vertical plate, a clamping block is provided at the top end of the vertical plate, and multiple bolt holes are processed on the vertical plate.
[0007] Preferably, the bolt holes are used to pass through bolts, and the entire clamping plate is fixed on the wall of the inspection well by the bolts.
[0008] Preferably, the pressure ring includes a ring body, multiple slots are uniformly provided at the bottom end face of the ring body, and the slots are matched with the clamping blocks.
[0009] Preferably, multiple groups of vertical overflow openings are uniformly processed on the annular ring.
[0010] Preferably, the lifting structure comprises a linkage assembly fixed on the inner wall of the annular ring, and a lifting member is fixed at the center of the linkage assembly.
[0011] Preferably, the linkage assembly comprises fixing members fixed on the inner wall of the annular ring, and the top ends of the fixing members of two oppositely arranged groups are fixed with a crossbar.
[0012] Preferably, the lifting member adopts a lifting handle structure.
[0013] The utility model has the following beneficial effects:
[0014] 1. The device can effectively prevent personnel from falling into the inspection well and ensure personnel safety.
[0015] 2. The setting of the overflow opening of the anti-falling plate can effectively prevent sundries from entering the inspection well to block the well shaft and facilitate the cleaning of the sundries.
[0016] 3. The clamping plate is fixed to the inspection well wall in advance, and the pressure-bearing ring can be reliably supported.
[0017] 4. The pressure-bearing ring and the clamping plate can be quickly embedded into the clamping block and the slot tenon connection, which is easy to install and disassemble while maintaining stability, thereby ensuring personnel safety.
[0018] 5. The lifting structure can lift the entire anti-falling plate and support the top of the anti-falling plate, thereby enhancing the structural strength and stability. BRIEF DESCRIPTION OF DRAWINGS
[0019] The utility model will be further described below in combination with the drawings and examples.
[0020] Figure 1 It is the overall schematic view of the utility model.
[0021] Figure 2 It is the top view schematic view of the utility model.
[0022] Figure 3 It is the side view schematic view of the utility model.
[0023] Figure 4 It is the sectional view schematic view of the utility model.
[0024] Figure 5 It is the sectional view schematic view of the clamping plate of the utility model.
[0025] In the drawing: anti-falling plate 1, linkage assembly 2, lifting member 3, pressure-bearing ring 4, clamping plate 5, bolt 6;
[0026] overflow 11, the convex ring 12, the bottom plate 13, the annular ring 14;
[0027] the fixing piece 21, the horizontal rod 22;
[0028] the notch 41, the ring body 42;
[0029] the clamping block 51, the vertical plate 52. DETAILED DESCRIPTION
[0030] The embodiments of the utility model will be further described below with reference to the drawings.
[0031] Embodiment 1:
[0032] Referring to Figures 1-5 A kind of manhole anti-falling device, including multiple clamping plates 5 being fixed uniformly on the manhole wall, clamping plate 5's top end positioning installation has pressure circle 4, the top of pressure circle 4 is supported with the anti-falling plate 1 for protecting wellhead;The anti-falling plate 1 includes bottom plate 13, the top end edge of bottom plate 13 is fixed with annular ring 14, the top end outer edge of annular ring 14 is provided with convex ring 12, and convex ring 12 is supported on the top end of pressure circle 4;Anti-falling plate 1 is installed with the lifting structure for lifting entire anti-falling plate 1.This device can effectively prevent personnel from falling into manhole, guarantee personnel safety;In addition, this device can effectively prevent sundries from entering manhole to block shaft by the setting of anti-falling plate overflow, also facilitate cleaning sundries.Specific use process, by setting anti-falling plate 1 on the manhole wall, then realize reliable protection to manhole by anti-falling plate 1, then guarantee the safety of personnel.
[0033] Further, the clamping plate 5 includes a vertical plate 52, the top of the vertical plate 52 is provided with a clamping block 51, and a plurality of bolt holes are formed in the vertical plate 52. The clamping plate 5 is conveniently connected to the manhole wall in advance by the above-mentioned clamping plate 5, thereby facilitating reliable support of the pressure circle 4.
[0034] Further, the bolt hole is used for penetrating a bolt 6, and the entire clamping plate 5 is fixed on the manhole wall by the bolt 6. The bolt 6 can realize reliable fixation of the clamping plate 5, thereby ensuring the firm fixation of the clamping plate 5 and effectively preventing subsequent possible falling.
[0035] Further, the pressure circle 4 includes a ring body 42, and a plurality of notches 41 are uniformly arranged on the bottom end surface of the ring body 42, and the notches 41 are matched with the clamping block 51. The ring body 42 can conveniently realize reliable support of the entire anti-falling plate 1. The notches 41 are matched with the clamping block 51, thereby realizing reliable positioning of the ring body 42. By arranging the pressure circle 4 and the clamping plate 5, the clamping block 51 and the notches 41 can be quickly embedded and connected and fixed in a mortise joint, which is easy to install and disassemble while maintaining stability, thereby guaranteeing the safety of personnel.
[0036] Further, the ring 14 is uniformly processed with multiple groups of vertical overflow 11. The overflow 11 is convenient for drainage, and ensures that the sewage can smoothly pass through the overflow 11 into the inspection well, thereby achieving the purpose of drainage.
[0037] Further, the lifting structure includes a connecting rod assembly 2 fixed to the inner wall of the ring 14, and a lifting piece 3 fixed to the center of the connecting assembly 2. The lifting structure is convenient for lifting the entire anti-falling plate 1, and supporting the top of the anti-falling plate 1, thereby enhancing the structural strength and stability.
[0038] Further, the connecting rod assembly 2 includes a fixed piece 21 fixed to the inner wall of the ring 14, and a cross rod 22 fixed to the top of the two groups of fixed pieces 21. The connecting rod assembly 2 can be used for reliable fixing and installation of the lifting piece 3, thereby facilitating subsequent lifting of the entire anti-falling plate 1.
[0039] Further, the lifting piece 3 adopts a handle structure. The handle structure is convenient for subsequent extraction of the entire anti-falling plate 1, thereby facilitating timely cleaning of the debris collected on the top of the anti-falling plate 1.
[0040] The working process and principle of the utility model:
[0041] In the specific installation and use process, first, the clamping plate 5 and the bolt 6 are embedded or installed in the inspection well wall, the clamping block 51 provided on the clamping plate 5 is riveted with the notch 41 provided on the pressure bearing ring 4, thereby realizing reliable support of the entire pressure bearing ring 4, then, the entire anti-falling plate 1 is placed on the top of the pressure bearing ring 4, thereby realizing reliable support and installation of the entire anti-falling device by the pressure bearing ring 4, in the subsequent use process, the anti-falling plate 1 effectively prevents personnel from falling into the inspection well, and guarantees the safety of personnel; through the setting of the anti-falling plate overflow, the debris can be effectively prevented from entering the inspection well to block the shaft, and the debris is also convenient to clean.
Claims
1. A fall arrest device for a manhole, characterized in that, The utility model provides a kind of wellhead protection structure of manhole, including multiple clamping plates (5) evenly fixed on the well wall of manhole, the top of clamping plate (5) is positioned and installed with pressure ring (4), the top of pressure ring (4) is positioned and supported with the anti-falling plate (1) for protecting wellhead;The anti-falling plate (1) includes bottom plate (13), the top end edge of bottom plate (13) is fixed with annular ring (14), the top end outer edge of annular ring (14) is provided with boss (12), boss (12) is supported in the top of pressure ring (4);Anti-falling plate (1) is installed with the lifting structure for lifting entire anti-falling plate (1) inside.
2. The fall arrest device for a manhole according to claim 1, wherein: The clamping plate (5) includes vertical plate (52), the top of vertical plate (52) is provided with clamping block (51), and a plurality of bolt holes are formed in the vertical plate (52).
3. The fall arrest device of claim 2, wherein: The bolt hole is used for passing through bolt (6), and the entire clamping plate (5) is fixed on the well wall of manhole by bolt (6).
4. The fall arrest device of claim 2, wherein: The pressure ring (4) includes ring body (42), and a plurality of notches (41) are uniformly arranged on the bottom end surface of the ring body (42), and the notches (41) are matched with the clamping block (51).
5. The fall protection device of claim 1, wherein: A plurality of groups of vertical water overflow openings (11) are uniformly formed on the annular ring (14).
6. The fall protection apparatus of claim 1, wherein: The lifting structure includes a connecting rod assembly (2), which is fixed on the inner wall of the annular ring (14), and a lifting piece (3) is fixed at the center of the connecting rod assembly (2).
7. The fall arrest device of claim 6, wherein: The connecting rod assembly (2) includes a fixed piece (21) fixed on the inner wall of the annular ring (14), and a crossbar (22) is fixed at the top of the two groups of fixed pieces (21) arranged oppositely.
8. The fall arrest device of claim 7, wherein: The lifting piece (3) adopts a handle structure.