Municipal road well lid structure
By introducing shock absorbing columns, support rods and force-release stabilization components into the municipal manhole cover structure, the problem of fatigue cracking of manhole covers under heavy vehicle crushing is solved, and the excellent buffering effect is achieved and the service life of manhole cover is extended.
Patent Information
- Application Number
- CN202421908544.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-08
- Publication Date
- 2025-08-12
- Estimated Expiration
- 2034-08-08
AI Technical Summary
The existing municipal manhole cover structure cannot buffer and absorb shock when it is crushed by heavy vehicles, resulting in fatigue and cracking of the manhole cover and has a low service life.
A municipal road manhole cover structure is designed, including the wellbore body, manhole cover panel, filter frame and shock absorbing column. By setting up shock absorbing columns, support rods and force-release stability and protection components, the buffering capacity is provided to prevent the manhole cover from being affected by alternating stress.
It effectively prevents fatigue cracking of manhole cover due to alternating stress, improves the stability and service life of manhole cover, and has excellent buffering ability.
Smart Images

Figure CN223214617U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of manhole covers, and more specifically, to a municipal road manhole cover structure. Background Art
[0002] Municipal manhole covers are used to cover manhole openings on roads to prevent people or objects from falling into the wells. When necessary, the covers can be opened to facilitate access for maintenance personnel to perform repairs or cleaning. Municipal manhole covers installed on pipe well roads are even more vulnerable to being crushed by heavy trucks and require excellent load-bearing capacity. Existing pipe well roads and factory area municipal manhole covers have a traditional integrated structural design. Their load-bearing structure is rigid and cannot cushion or reduce shock when subjected to gravity. This results in fatigue cracking of the manhole covers due to alternating stress, resulting in a shorter service life. Utility Model Content
[0003] To overcome the shortcomings of the above-mentioned prior art, the present invention provides a municipal road manhole cover structure. This structure is stable, easy to install, and can effectively prevent foreign objects from entering the manhole. It can also provide effective support for the manhole cover panel, ensuring the excellent buffering capacity of the manhole cover structure and effectively preventing fatigue cracking caused by alternating stress.
[0004] In order to solve the above technical problems, the technical solution adopted by the present invention is:
[0005] A municipal road manhole cover structure is arranged on a roadbed and a road surface, and includes a manhole body, a manhole cover panel and a filter frame. The manhole body is arranged in the roadbed, and the roadbed and the road surface are provided with a clearance opening corresponding to the position of the manhole body. The manhole cover panel is arranged at the clearance opening on the road surface. An annular notch is opened at the top of the manhole body, and a manhole cover plug is provided at the lower part of the manhole cover panel. The manhole cover plug is matched with the annular notch. The filter frame is arranged on the annular notch at the top of the manhole body, and leakage holes are provided through the manhole cover panel and the manhole cover plug.
[0006] A clearance hole is provided on the roadbed at the bottom of the manhole cover panel, a shock-absorbing column is provided in the clearance hole, and the top of the shock-absorbing column is in contact with the manhole cover panel.
[0007] The filter frame adopts a cylindrical structure with an open top, the outer wall of the filter frame is arranged in contact with the inner wall of the well body, and a plurality of filter holes are arranged on the ground of the filter frame.
[0008] A support rod is provided at the center of the filter frame, an elastic shock-absorbing rod is provided at the top of the support rod, and the top of the elastic shock-absorbing rod abuts against the manhole cover plug.
[0009] On the bottom surface of the filter frame, a force-relieving and stabilizing component is arranged around the support rod. The bottom of the force-relieving and stabilizing component is fixedly arranged on the filter frame, and the top is in contact with the manhole cover plug.
[0010] The force release and stabilization assembly includes a fixed column, a sleeve, a spring and a hinged rod. The bottom of the fixed column is fixedly set on the filter frame, the sleeve is movably mounted on the fixed column, the spring is set between the top of the fixed column and the top inside the sleeve, one end of the hinged rod is hinged to the sleeve, and the other end is hinged to the damping block, and the damping block is fixedly set at the bottom of the side wall of the filter frame.
[0011] A rubber suction cup is provided on the top of the sleeve.
[0012] The inner wall of the well body is provided with a waterproof layer.
[0013] The manhole cover panel and the manhole cover plug are both made of cast iron, and the manhole cover panel and the manhole cover plug are integrated.
[0014] Compared with the prior art, the present invention has the following beneficial effects:
[0015] Several shock-absorbing columns are evenly distributed between the manhole cover panel and the roadbed. When the manhole cover panel is crushed by heavy objects such as vehicles, the pressure will be transmitted to all the shock-absorbing columns. The shock-absorbing columns will deform after being stressed and play a buffering role, thus preventing the manhole cover from fatigue cracking due to alternating stress. The support rods and elastic shock-absorbing rods work together to provide effective support and shock-absorbing capabilities. The force-relieving and stabilizing components can dissipate the impact force on the manhole cover panel, ensuring the stability and safety of the manhole cover. The integrated structure of the manhole cover has excellent buffering capacity, which can effectively prevent the manhole cover from fatigue cracking due to alternating stress. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a front perspective view of the utility model;
[0017] Figure 2 This is a schematic diagram of the split structure of the utility model;
[0018] Figure 3 This is a top view of the filter frame of the utility model;
[0019] Figure 4 This is a schematic diagram of the power release and stabilization component of the utility model;
[0020] Figure 5 This is a partial top view of the manhole cover panel of the utility model;
[0021] In the figure: 1 is the roadbed, 2 is the road surface, 3 is the shaft body, 4 is the manhole cover panel, 5 is the manhole cover plug, 6 is the waterproof layer, 7 is the clearance hole, 8 is the shock-absorbing column, 9 is the leakage hole, 10 is the filter frame, 11 is the support rod, 12 is the elastic shock-absorbing rod, 13 is the force-relieving and stabilizing component, 14 is the fixed column, 15 is the sleeve, 16 is the spring, 17 is the rubber suction cup, 18 is the hinged rod, and 19 is the damping block. DETAILED DESCRIPTION
[0022] In order to more clearly understand the above-mentioned purposes, features and advantages of the present invention, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that, in the absence of conflict, the embodiments of the present application and the features therein can be combined with each other.
[0023] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the scope of protection of the present invention is not limited to the specific embodiments disclosed below.
[0024] like Figures 1 to 5 As shown, a municipal road manhole cover structure is arranged on a roadbed 1 and a road surface 2, and includes a manhole body 3, a manhole cover panel 4 and a filter frame 10. The manhole body 3 is arranged in the roadbed 1, and a clearance opening is provided on the roadbed 1 and the road surface 2 corresponding to the position of the manhole body 3. The manhole cover panel 4 is arranged at the clearance opening on the road surface 2. An annular notch is opened at the top of the manhole body 3, and a manhole cover plug 5 is provided at the lower part of the manhole cover panel 4. The manhole cover plug 5 is matched with the annular notch. The filter frame 10 is arranged on the annular notch at the top of the manhole body 3, and a leakage hole 9 is penetrated through the manhole cover panel 4 and the manhole cover plug 5.
[0025] Preferably, a clearance hole 7 is provided on the roadbed 1 at the bottom of the manhole cover panel 4, and a shock-absorbing column 8 is provided in the clearance hole 7. The top of the shock-absorbing column 8 abuts against the manhole cover panel 4. The shock-absorbing column 8 is made of polyurethane, which has good elasticity and good shock-absorbing effect. The height of the shock-absorbing column 8 is equal to the depth of the clearance hole 7.
[0026] Preferably, the filter frame 10 adopts a cylindrical structure with an open top, the outer wall of the filter frame 10 is arranged to fit the inner wall of the well body 3, and a plurality of filter holes are provided on the surface of the filter frame 10.
[0027] Preferably, a support rod 11 is provided at the center of the filter frame 10 , an elastic shock-absorbing rod 12 is provided on the top of the support rod 11 , and the top of the elastic shock-absorbing rod 12 abuts against the manhole cover plug 5 .
[0028] Preferably, a force-relieving and stabilizing component 13 is provided on the bottom surface of the filter frame 10 and around the support rod 11 . The bottom of the force-relieving and stabilizing component 13 is fixedly provided on the filter frame 10 , and the top abuts against the manhole cover plug 5 .
[0029] Preferably, the force-relieving and stabilizing assembly 13 includes a fixed column 14, a sleeve 15, a spring 16 and a hinged rod 18. The bottom of the fixed column 14 is fixedly set on the filter frame 10, the sleeve 15 is movably mounted on the fixed column 14, the spring 16 is set between the top of the fixed column 14 and the top inside the sleeve 15, one end of the hinged rod 18 is hinged to the sleeve 15, and the other end is hinged to a damping block 19, which is fixedly set at the bottom of the side wall of the filter frame 10.
[0030] Preferably, a rubber suction cup 17 is provided on the top of the sleeve 15 .
[0031] Preferably, the inner wall of the shaft body 3 is provided with a waterproof layer 6. The waterproof layer 6 is made of a synthetic polymer waterproof roll material and has a strong waterproof ability.
[0032] Preferably, the manhole cover panel 4 and the manhole cover plug 5 are both made of cast iron, and the manhole cover panel 4 and the manhole cover plug 5 are integrated.
[0033] The filter frame 10 is set up on the annular notch of the well body 3, the support rod and the force-relieving and stabilizing assembly 13 are installed, the shock-absorbing column 8 is set in the clearance hole 7, the well cover panel 4 and the well cover plug 5 are clamped on the annular notch of the well body 3, and the shock-absorbing column 8 can provide a certain shock-absorbing effect for the well cover panel 4. At the same time, the support rod 11 and the elastic shock-absorbing rod 12 provide a certain supporting force for the well cover panel 4, and can improve the shock-absorbing ability of the well cover panel 4; if the well cover panel 4 receives an impact force, the sleeve 15 is slightly pressed down, and the hinged rod 18 will apply pressure to the outside, and the impact force generated by this part is buffered by the damping block 19 to protect the structure.
[0034] The above only describes in detail the preferred embodiments of the present invention, but the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by ordinary technicians in this field, various changes can be made without departing from the purpose of the present invention, and various changes should be included in the scope of protection of the present invention.
Claims
1. A municipal road manhole cover structure, the manhole cover structure being arranged on a roadbed (1) and a road surface (2), characterized in that: The invention comprises a shaft body (3), a shaft cover panel (4) and a filter frame (10), wherein the shaft body (3) is arranged in the roadbed (1), and a clearance opening is provided on the roadbed (1) and the road surface (2) at a position corresponding to the shaft body (3), the shaft cover panel (4) is arranged at the clearance opening on the road surface (2), an annular notch is provided on the top of the shaft body (3), a shaft cover plug (5) is provided at the bottom of the shaft cover panel (4), and the shaft cover plug (5) is matched with the annular notch, the filter frame (10) is arranged on the annular notch on the top of the shaft body (3), and a leakage hole (9) is provided through the shaft cover panel (4) and the shaft cover plug (5).
2. A municipal road manhole cover structure according to claim 1, characterized in that: A clearance hole (7) is provided on the roadbed (1) at the bottom of the manhole cover panel (4), a shock-absorbing column (8) is provided in the clearance hole (7), and the top of the shock-absorbing column (8) abuts against the manhole cover panel (4).
3. The municipal road manhole cover structure according to claim 1, characterized in that: The filter frame (10) adopts a cylindrical structure with an open top, the outer wall of the filter frame (10) is arranged to fit the inner wall of the well body (3), and a plurality of filter holes are arranged on the ground of the filter frame (10).
4. A municipal road manhole cover structure according to claim 3, characterized in that: A support rod (11) is provided at the center of the filter frame (10), an elastic shock-absorbing rod (12) is provided at the top of the support rod (11), and the top of the elastic shock-absorbing rod (12) abuts against the manhole cover plug (5).
5. The municipal road manhole cover structure according to claim 4, characterized in that: On the bottom surface of the filter frame (10), a force release and stabilizing component (13) is provided around the support rod (11); the bottom of the force release and stabilizing component (13) is fixedly provided on the filter frame (10), and the top thereof abuts against the manhole cover plug (5).
6. The municipal road manhole cover structure according to claim 5, characterized in that: The force release stabilization component (13) comprises a fixed column (14), a sleeve (15), a spring (16) and a hinged rod (18); the bottom of the fixed column (14) is fixedly arranged on the filter frame (10); the sleeve (15) is movably sleeved on the fixed column (14); the spring (16) is arranged between the top of the fixed column (14) and the top of the sleeve (15); one end of the hinged rod (18) is hinged to the sleeve (15); the other end is hinged to a damping block (19); the damping block (19) is fixedly arranged on the bottom of the side wall of the filter frame (10).
7. The municipal road manhole cover structure according to claim 6, characterized in that: A rubber suction cup (17) is provided on the top of the sleeve (15).
8. The municipal road manhole cover structure according to claim 1, characterized in that: The inner wall of the wellbore body (3) is provided with a waterproof layer (6).
9. The municipal road manhole cover structure according to claim 1, characterized in that: The manhole cover panel (4) and the manhole cover plug (5) are both made of cast iron, and the manhole cover panel (4) and the manhole cover plug (5) are integrally arranged.