Well lid
By designing shock-absorbing devices, structural mesh, and locking ring structures for the main body of the manhole base and cover, the problem of easy damage to traditional manhole covers has been solved, resulting in a manhole cover with high strength and impact resistance, as well as anti-theft and monitoring functions.
Patent Information
- Application Number
- CN202520097275.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-15
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-01-15
AI Technical Summary
Traditional manhole covers are prone to rust, damage, and theft, and have poor durability, especially on roads where they are easily damaged by cars running over them.
A manhole cover structure was designed, including a manhole base and a cover plate body. The bottom of the cover plate body is equipped with a shock-absorbing device, the internal structure mesh is used to enhance strength, and the external clamps and buffer components are provided. The locking ring structure prevents detachment, and a monitoring device can be optionally installed.
The structural strength and impact resistance of the manhole cover have been improved, the risk of damage has been reduced, the load-bearing capacity has been enhanced, and it also has anti-theft and monitoring functions.
Smart Images

Figure CN223853394U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of well lid especially relates to a well lid. BACKGROUND
[0002] Although the traditional inspection well lid is widely used in engineering, it still faces various safety and durability problems. The traditional cast iron well lid mainly faces the problems of easy corrosion damage and easy theft and loss. The traditional concrete well cover plate will appear brittle cracking, damage and poor durability. The above problems will lead to the increase of the use cost of the well lid. In particular, the well lid set on the road surface is frequently subjected to the impact of vehicle crushing, thereby being easily damaged. SUMMARY
[0003] The technical problem to be solved by the utility model embodiment is to provide a well lid with high structural strength and strong impact resistance.
[0004] In order to solve the above technical problem, the utility model embodiment provides a well lid, which comprises a well seat and a cover plate body. The well seat is provided with a well mouth groove matched with the cover plate body, so that the cover plate body is placed in the well mouth groove.
[0005] The bottom of the cover plate body is provided with a damping device, which is supported on the well mouth groove through the damping device.
[0006] The cover plate body comprises a plate core and a clamp. The clamp encloses the plate core. The plate core is provided with a structural net for enhancing the structural strength. The structural net is connected with the clamp.
[0007] As an improvement of the above scheme, the damping device comprises an upper structural plate, a lower structural plate and a buffer assembly. The buffer assembly is clamped between the upper structural plate and the lower structural plate. The upper structural plate is connected with the cover plate body.
[0008] As an improvement of the above scheme, the buffer assembly comprises a spring and a rubber block. At least one spring is arranged between two adjacent rubber blocks.
[0009] As an improvement of the above scheme, the bottom of the lower structural plate is provided with a buffer pad for contacting the well seat.
[0010] As an improvement of the above scheme, the structural net comprises a plurality of structural ribs to form a net structure. The two ends of the structural rib are connected with the clamp respectively.
[0011] As an improvement of the above scheme, the well seat is provided with a lock catch for limiting the cover plate body from separating from the well mouth groove. The cover plate body is provided with a lock ring corresponding to the lock catch. After the cover plate body is placed in the well mouth groove, the lock ring is buckled into the lock catch by rotating the cover plate body.
[0012] As the improvement of the above scheme, the hoop comprises a hoop body and FRP cloth covering the outside of the hoop body.
[0013] As the improvement of the above scheme, the surface of the core is provided with structural stripes for preventing slipping, and the core is provided with an opening hole.
[0014] As the improvement of the above scheme, the bottom of the core is provided with external structural ribs for enhancing the carrying capacity.
[0015] As the improvement of the above scheme, the monitoring device is further included, the bottom of the core is provided with a device groove for mounting the monitoring device, the monitoring device comprises a sensor, a device substrate mounted on the device groove, the sensor is mounted on the device substrate, the device substrate is provided with an anti-falling cover limiting the falling of the sensor, and the sensor is located in the anti-falling cover.
[0016] The utility model discloses the following beneficial effects are realized:
[0017] The utility model discloses an example of well lid, including well seat and cover plate main part, the well seat is equipped with with wellhead groove of cover plate main part is adapted, for cover plate main part is put in, to avoid the side edge of cover plate main part and be impacted that leak.
[0018] The bottom of the cover plate main part is provided with a damping device, which is supported on the wellhead groove through the damping device, thereby avoiding direct hard contact between the cover plate main part and the well seat, and reducing damage to the bottom of the cover plate main part.
[0019] The cover plate main part comprises a core and a hoop, and the hoop encloses the core to constrain the core in a ring shape, thereby improving the carrying capacity.
[0020] Furthermore, a structural net for enhancing structural strength is arranged in the core, and the structural net is connected with the hoop, so that the overall structural integrity of the cover plate main part is strong, and the carrying performance of the structural net is improved. BRIEF DESCRIPTION OF DRAWINGS
[0021] Figure 1 is the structure schematic diagram of well lid of the utility model;
[0022] Figure 2 is the structure schematic diagram of well seat of the utility model;
[0023] Figure 3 is the skeleton structure schematic diagram of cover plate main part of the utility model;
[0024] Figure 4 is the structure schematic diagram of damping device of the utility model;
[0025] Figure 5 is the structural schematic view of the cover plate main body of the utility model;
[0026] Figure 6 is the structural schematic view of the cover plate main body of the utility model with outer structural rib;
[0027] Figure 7 is the structural schematic view of the monitoring device of the utility model. DETAILED DESCRIPTION
[0028] In order to make the purpose, technical scheme and advantages of the utility model more clear, the utility model will be described further in detail below with the help of the drawings.
[0029] Referring to Figure 1 , 2 , 3 and 5, the utility model embodiment provides a well lid, including well seat 1 and cover plate main body 2, the well seat 1 is equipped with the well mouth groove 11 of adapting with cover plate main body 2, to supply cover plate main body 2 is placed into;Wherein, the bottom of cover plate main body 2 is equipped with damping device 3, to support on well mouth groove 11 through damping device 3;Cover plate main body 2 includes board core 21 and clamp 22, the clamp 22 surrounds the board core 21, the board core 21 is equipped with the structural net 23 for enhancing structural strength, the structural net 23 is connected with clamp 22.
[0030] Specifically, referring to Figure 4 , damping device 3 includes upper structure plate 31, lower structure plate 32 and buffer assembly, the buffer assembly is clamped between upper structure plate 31 and lower structure plate 32, upper structure plate 31 is connected with cover plate main body 2.Upper structure plate 31 and lower structure plate 32 are preferably high-strength metal plates, such as steel plates.Upper structure plate 31 and clamp 22 are both provided with corresponding connecting holes, so as to be detachably connected and fixed by bolts, screws, etc.
[0031] In order to avoid the buffer of the buffer device being too hard or too soft, the buffer assembly includes a spring 33 and a rubber block 34, and at least one spring 33 is arranged between two adjacent rubber blocks 34. The combination of the two materials with different buffer effects of the spring 33 and the rubber block 34 can make the buffer effect have a soft-to-hard effect, thereby avoiding the excessive sinking of the cover plate main body 2 when bearing pressure. Preferably, the damping device 3 is provided with a plurality of damping devices, and the damping devices are uniformly distributed at the bottom of the clamp 22.
[0032] Moreover, in order to reduce the falling impact damage of the cover plate main body 2 during being placed into the well mouth groove 11, the bottom of the lower structure plate 32 is provided with a buffer pad 35 for contacting the well seat 1. The buffer pad 35 is a rubber pad.
[0033] The structural net 23 comprises a plurality of structural ribs 231 to form a net structure; both ends of the structural rib 231 are connected with the hoop 22 respectively. Preferably, the structural rib 231 is arranged in a longitudinal and transverse interlacing manner in the hoop 22. Both ends of the structural rib 231 are connected with the inner side wall of the hoop 22 by welding to form an integrated structure. Preferably, the plate core 21 is formed by pouring concrete, and more preferably, the plate core 21 is formed by pouring UHPC material, so that the plate core 21, the structural net 23 and the hoop 22 form an integrated structure.
[0034] In order to avoid the cover plate body 2 from being accidentally separated from the well seat 1, the well seat 1 is provided with a lock catch 12 for limiting the cover plate body 2 from being separated from the well mouth groove 11, and the cover plate body 2 is provided with a lock ring 24 corresponding to the lock catch 12. After the cover plate body 2 is placed in the well mouth groove 11, the cover plate body 2 is rotated to enable the lock ring 24 to be buckled into the lock catch 12. Preferably, the lock catch 12 has a T-shaped structure, so that the cover plate body 2 can be inserted into the lock catch 12 by rotating in the forward direction or the reverse direction, thereby completing the locking connection. Preferably, the lock ring 24 is welded on the structural rib 231.
[0035] In order to improve the corrosion resistance and strength of the hoop 22, the hoop 22 comprises a hoop body 221 and an FRP cloth 222 covering the outer side of the hoop body 221. The arrangement of the FRP cloth 222 can improve the load bearing capacity of the well cover while avoiding the problem of rusting on the outer side of the traditional well cover. The FRP cloth 222 can be aramid fiber cloth, glass fiber cloth or carbon fiber cloth, etc. The FRP cloth 222 is adhered to the outer side of the hoop body 221 by high-strength epoxy resin.
[0036] In order to improve the slip resistance of the surface of the plate core 21, the surface of the plate core 21 is provided with a structure stripe for slip resistance. The structure stripe can be a grid stripe. More preferably, the structure stripe comprises a plurality of convex stripes arranged in a plurality of horizontal parallel manners and a plurality of convex stripes arranged in a plurality of vertical parallel manners.
[0037] In order to facilitate the operator to lift and rotate the plate core 21, the plate core 21 is provided with an opening hole 25 for the external workpiece to be hooked into the opening hole 25.
[0038] Referring to Figure 6 The bottom of the plate core 21 is provided with an outer structural rib 26 for enhancing the load bearing capacity. The outer structural rib 26 is arranged in a cross shape, so that the thickness of the plate core 21 can be reduced by arranging the outer structural rib 26 while ensuring the load bearing requirement of the cover plate body 2, thereby reducing the production cost of the plate core 21, and the weight of the plate core 21 is also reduced, which also reduces the difficulty of the later maintenance operation.
[0039] Referring toFigure 7 In order to facilitate the supervision of the well lid, the well lid further comprises a monitoring device 4, the bottom of the plate core 21 is provided with a device groove 27 for installing the monitoring device, the monitoring device comprises a sensor 41, a device substrate 42 installed on the device groove and a communication device for receiving and transmitting information of the sensor 41, the communication device is prior art, and the structure principle is not described here. The sensor 41 is installed on the device substrate 42, the device substrate 42 is provided with a falling prevention cover 43 for limiting the falling of the sensor, and the sensor 41 is located in the falling prevention cover 43. Preferably, the structural rib is welded with a mounting column extending below the plate core, and the device substrate can be connected and fixed with the mounting column by welding or threaded connection and the like.
[0040] The sensor 41 can comprise sensors of prior art, such as an inclination sensor, a vibration sensor, a temperature and humidity sensor and a water level sensor.
[0041] The above is the preferred embodiment of the present application, it should be pointed out that for ordinary skilled in the art, without departing from the principles of the present application, can make a number of improvements and refinements, these improvements and refinements also as the protection scope of the present application.
Claims
1. A well lid, characterized in that The well seat is provided with a well mouth groove matched with the cover plate body for placing the cover plate body; The bottom of the cover plate body is provided with a damping device for supporting on the well mouth groove through the damping device; The cover plate body comprises a plate core and a clamp, the clamp enclosing the plate core, the plate core being provided with a structural net for enhancing structural strength, the structural net being connected with the clamp.
2. A manhole cover as claimed in claim 1, wherein The damping device comprises an upper structural plate, a lower structural plate and a buffer assembly, the buffer assembly being clamped between the upper structural plate and the lower structural plate, the upper structural plate being connected with the cover plate body.
3. A manhole cover as claimed in claim 2, wherein The buffer assembly comprises a spring and rubber blocks, at least one spring being provided between two adjacent rubber blocks.
4. A manhole cover as claimed in claim 3, wherein The bottom of the lower structural plate is provided with a buffer pad for contacting the well seat.
5. The well lid of claim 1, wherein, The structural net comprises a plurality of structural ribs to form a net structure, the two ends of the structural rib being connected with the clamp respectively.
6. The well lid of claim 1, wherein, The well seat is provided with a lock catch limiting the cover plate body from separating from the well mouth groove, the cover plate body being provided with a lock ring corresponding to the lock catch, after the cover plate body is placed in the well mouth groove, the cover plate body is rotated to make the lock ring buckled into the lock catch.
7. The well lid of claim 1, wherein, The clamp comprises a clamp body and FRP cloth covering the outer side of the clamp body.
8. The well lid of claim 1, wherein, The surface of the plate core is provided with structural stripes for preventing slipping, and the plate core is provided with an opening hole.
9. A manhole cover as claimed in claim 8, wherein The bottom of the plate core is provided with an outer structural rib for enhancing the carrying capacity.
10. The well lid of claim 1, wherein, Further comprising a monitoring device, the bottom of the plate core is provided with a device slot for installing the monitoring device, the monitoring device comprising a sensor, a device substrate installed on the device slot, the sensor being installed on the device substrate, the device substrate being provided with an anti-falling cover limiting the sensor from falling, the sensor being located in the anti-falling cover.