CN113605452A - Nodular cast iron well lid that function specificity is high - Google Patents
Nodular cast iron well lid that function specificity is high Download PDFInfo
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- CN113605452A CN113605452A CN202110954258.5A CN202110954258A CN113605452A CN 113605452 A CN113605452 A CN 113605452A CN 202110954258 A CN202110954258 A CN 202110954258A CN 113605452 A CN113605452 A CN 113605452A
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- 229910001141 Ductile iron Inorganic materials 0.000 title claims abstract description 23
- 239000010426 asphalt Substances 0.000 claims abstract description 29
- 239000002390 adhesive tape Substances 0.000 claims description 18
- 230000007123 defense Effects 0.000 claims description 16
- 230000035939 shock Effects 0.000 claims description 14
- 238000010521 absorption reaction Methods 0.000 claims description 9
- 230000006978 adaptation Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 3
- 230000009471 action Effects 0.000 abstract description 8
- 230000006872 improvement Effects 0.000 description 8
- 229920001971 elastomer Polymers 0.000 description 5
- 230000035882 stress Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- 238000005381 potential energy Methods 0.000 description 3
- 238000012795 verification Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000009191 jumping Effects 0.000 description 2
- 229920001084 poly(chloroprene) Polymers 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
- E02D29/14—Covers for manholes or the like; Frames for covers
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The invention provides a nodular cast iron well lid with high functional specificity, which relates to the technical field of well lids and comprises a well base and a well lid, wherein the well lid is arranged on the inner side of the well base, the top surfaces of the well lid and the well base are on the same horizontal line, a reverse buckling edge is arranged at the edge of the outer side of the well base and is embedded into an asphalt structure layer, a connecting base is arranged below the inner side of the well base, and the bottom of the well lid and the connecting base are positioned through an elastic lock catch; the well seat is externally provided with the reverse buckling edge to form a house eaves type structure, and the buckle is embedded in the asphalt structure layer, so that most of pressure borne by the well cover can be transmitted to the asphalt structure layer instead of completely acting on the well body, the stress condition is changed, more than 85% of running load is directly absorbed by the asphalt structure layer through the well seat, and under the external action, the well seat can automatically lift along with the asphalt structure layer to keep the well seat and the asphalt structure layer on the same level, so that the well seat can be prevented from protruding, and the surrounding pavement can be protected.
Description
Technical Field
The invention relates to the technical field of well lids, in particular to a nodular cast iron well lid with high function specificity.
Background
The nodular cast iron is a high-strength cast iron material, the comprehensive performance of the nodular cast iron is close to that of steel, and the nodular cast iron is successfully used for casting parts which are complex in stress and high in requirements on strength, toughness and wear resistance based on the excellent performance of the nodular cast iron;
the existing well cover is directly covered on a well mouth, so that the gravity borne by the well cover is transferred to a well body, the time is long, and the well body sinks to cause the well cover to sink; in addition, due to the design problem of the traditional well cover, if the well cover is deformed or banged, if the well cover is not treated in time, asphalt around the well can be damaged to cause pothole formation and the like, and the problem in the prior art is solved.
Disclosure of Invention
In order to solve the problems, the invention provides the nodular cast iron well lid with high function specificity, wherein the nodular cast iron well lid with high function specificity is provided with the reverse buckling edges outside a well seat to form a house eaves type structure, and the buckles are embedded in an asphalt structure layer, so that most of pressure borne by the well lid is transmitted to the asphalt structure layer instead of completely acting on a well body, the stress condition is changed, the surrounding pavement is protected, and settlement is prevented.
In order to realize the purpose of the invention, the invention is realized by the following technical scheme: a nodular cast iron well lid with high function specificity comprises a well base and a well lid, wherein the well lid is arranged on the inner side of the well base, the well lid and the top surface of the well base are on the same horizontal line, a reverse buckling edge is arranged at the edge of the outer side of the well base and is embedded into an asphalt structure layer, a connecting base is arranged below the inner side of the well base, and the bottom of the well lid and the connecting base are positioned through an elastic lock catch;
the utility model discloses a well lid, including connecting seat, pitch structural layer, socket, well lid, the below of connecting seat is equipped with the socket, the socket insert in the inside well of pitch structural layer and with the wall of a well cooperation, the outside of socket is equipped with the expansion adhesive tape, and the closely laminating wall of a well of expansion adhesive tape, the top surface of connecting seat is equipped with trapezoidal recess, and the inside mosaic of recess installs embedded adhesive tape, the well lid supports on embedded adhesive tape, the inboard below of socket is equipped with the civil air defense subassembly, and is connected with the shock attenuation supporting component between the bottom of civil air defense subassembly and well lid, be connected with built-in hinge between the one end of well lid and the well seat.
The further improvement lies in that: the elastic lock catch is at least provided with three groups, the elastic lock catch comprises a connecting plate and a rigid elastic arm, one end of the rigid elastic arm is connected with the connecting plate, a locking buckle is arranged on one side of the rigid elastic arm, and a locking groove matched with the locking buckle is arranged on the inner side of the connecting seat.
The further improvement lies in that: the manhole cover is characterized in that an opening hole is formed in one end of the top of the manhole cover, a hand supporting groove is formed in one end of the inner side of the manhole base, and the hand supporting groove corresponds to the opening hole.
The further improvement lies in that: the anti-skidding decorative pattern is equipped with the multiunit on the well lid surface, the surface of well seat is equipped with the guiding gutter, and the guiding gutter is equipped with the multiunit, the both ends at well seat top all are equipped with the bleeder vent.
The further improvement lies in that: the edge of well lid bottom is equipped with the stiffening rib, and the equal contained angle in the centre of a circle that the stiffening rib centers on the well lid is equipped with the multiunit, the inner of stiffening rib is equipped with first center circle, and the center department at the well lid bottom is fixed to first center circle.
The further improvement lies in that: the civil air defense assembly comprises a side ring and a connecting arm, the connecting arm is arranged on the inner side of the side ring, a second center ring is arranged on the inner side of the connecting arm, and the shock absorption supporting assembly is arranged between the first center ring and the second center ring.
The further improvement lies in that: the inboard of side circle is equipped with the filter screen, the inboard below of socket joint seat is equipped with the support and detains, the outside of side circle is equipped with the backing sheet, and is equipped with on the backing sheet and detains the support hole of looks adaptation with the support.
The further improvement lies in that: the shock absorption support assembly comprises a sleeve and an insert rod, the sleeve is arranged on the second center ring, the insert rod is movably inserted into the inner side of the sleeve, a supporting plate is arranged at the upper end of the insert rod, the supporting plate is supported below the first center ring, a spring is arranged between the lower portion of the supporting plate and the sleeve, and the spring is wound on the outer side of the insert rod.
The further improvement lies in that: the outside of well lid is equipped with spacing lug, and spacing lug is equipped with four groups at least, spacing lug supports the gap between well lid and the well seat.
The invention has the beneficial effects that:
1. the invention sets the reverse buckle edge outside the well seat to form the eave structure, and the buckle is embedded in the asphalt structure layer, so the pressure born by the well cover can be mostly transmitted to the asphalt structure layer instead of completely acting on the well body, the stress condition is changed, after verification, more than 85% of the driving load can be directly absorbed by the asphalt structure layer through the well seat, under the external action, the well seat can automatically lift along with the asphalt structure layer, so that the well seat and the asphalt structure layer are kept on the same level, the well seat can be prevented from protruding, the surrounding road surface is protected, and the settlement is prevented.
2. According to the invention, the well lid is supported by the embedded rubber strip on the connecting seat, and the embedded rubber strip and the groove on the connecting seat adopt the inverted trapezoidal embedding process, so that the well lid is not easy to fall off, and thus when a vehicle passes above the well lid, the overall vibration can be reduced, and the noise is effectively prevented.
3. The shock absorption supporting assembly is supported between the civil air defense assembly and the well cover, and the well cover can be effectively supported by utilizing the elastic potential energy of the movably-mounted matched spring of the inserted rod and the sleeve, so that the load capacity of the well cover is further improved, and the well cover is prevented from settling.
4. The manhole cover has the advantages that the shock absorption supporting assembly can be supported under the action of the civil air defense assembly, pedestrians can be prevented from falling into the manhole when the manhole cover is opened, the filter screen also has the function of preventing garbage from falling into the manhole, and the manhole cover is high in function specificity and safety.
5. According to the invention, under the action of the elastic lock catch, the rigid elastic arm is used for movably pushing the locking buckle to be clamped into the locking groove, so that the well cover can be tightly buckled with the well seat, and the gap is filled by matching with the limiting bump, so that the well cover is prevented from jumping, moving in position or being opened accidentally, further the vibration is effectively reduced, and the possibility of the road surface around the well cover being cracked is greatly reduced.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is a partial schematic view of the installation of the well base and the well lid of the present invention;
FIG. 4 is a bottom view of the well lid of the present invention;
figure 5 is a schematic view of the civil air defense assembly of the present invention.
Wherein: 1. a well base; 2. a well cover; 3. a reverse buckling edge; 4. an asphalt structural layer; 5. a connecting seat; 6. a socket; 7. an expansion rubber strip; 8. an embedded adhesive tape; 9. a built-in hinge; 10. a connecting plate; 11. a rigid resilient arm; 12. a locking buckle; 13. a locking groove; 14. opening the hole; 15. a hand bracket; 16. anti-skid patterns; 17. a water chute; 18. air holes are formed; 19. reinforcing ribs; 20. a first center loop; 21. a side ring; 22. a connecting arm; 23. a second center loop; 24. filtering with a screen; 25. a support buckle; 26. a support sheet; 27. a sleeve; 28. inserting a rod; 29. a support plate; 30. a spring; 31. and a limiting bump.
Detailed Description
In order to further understand the present invention, the following detailed description will be made with reference to the following examples, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.
According to fig. 1, 2, 3, 4 and 5, the embodiment provides a nodular cast iron well lid with high functional specificity, which comprises a well base 1 and a well lid 2, wherein the well base 1 and the well lid 2 are made of nodular cast iron, three-proofing (anti-settling, anti-rattling and anti-theft) well lid materials meet the requirements of national standard QT500-7, the spheroidization rate is 80% -90%, the spheroidization level reaches three levels, the well lid 2 is covered on the inner side of the well base 1, the top surfaces of the well lid 2 and the well base 1 are on the same horizontal line, the edge of the outer side of the well base 1 is provided with a reverse buckling edge 3, the reverse buckling edge 3 is embedded into an asphalt structural layer 4, the embedding depth is 10mm, the well base 1 can be tightly combined with a road surface into a whole and is not easy to slide, a connecting base 5 is arranged below the inner side of the well base 1, and the bottom of the well lid 2 and the connecting base 5 are positioned through an elastic buckle; the well seat 1 is externally provided with the reverse buckling edge 3 to form a house eaves type structure, and the buckle is embedded in the asphalt structure layer 4, so that most of pressure borne by the well cover 2 is transmitted to the asphalt structure layer 4 instead of completely acting on a well body, the stress condition is changed, through verification, more than 85% of running load is directly absorbed by the asphalt structure layer 4 through the well seat 1, under the external action, the well seat 1 can automatically lift along with the asphalt structure layer 4, so that the well seat and the asphalt structure layer 4 are kept on the same level, the well seat 1 can be prevented from protruding, the surrounding pavement is protected, and settlement is prevented;
a socket 6 is arranged below the connecting seat 5, the socket 6 is inserted into a well in the asphalt structure layer 4 and matched with the well wall, an expansion adhesive tape 7 is arranged on the outer side of the socket 6, the expansion adhesive tape 7 is tightly attached to the well wall, a trapezoidal groove is arranged on the top surface of the connecting seat 5, an embedded adhesive tape 8 is mounted in the groove in an embedded manner, the embedded adhesive tape 8 has better wear resistance, corrosion resistance, oil resistance and environmental temperature resistance of-10-70 ℃, the embedded adhesive tape 8 is prevented from falling off and aging failure within 10 years, the cross section of the embedded adhesive tape 8 is trapezoidal, the top surface is 12mm wide, the bottom surface is 15mm wide and the thickness is 10mm, the embedded adhesive tape 8 is 2mm higher than the groove, the embedded adhesive tape 8 is neoprene sulfide, the content of neoprene is more than 40 percent according to German standard DIN53505 and national standard GBT531, the hardness is 75 +/-5 reaching Shore A level, the well lid 2 is supported on the embedded adhesive tape 8, when there is the vehicle to pass through in well lid 2 top like this, can reduce holistic vibrations, effectively prevent the sound, the inboard below of socket 6 is equipped with the people's air defense subassembly, and is connected with the shock attenuation supporting component between the bottom of people's air defense subassembly and well lid 2, be connected with built-in hinge 9 between the one end of well lid 2 and the well seat 1. The built-in hinge 9 is anti-theft and can not be damaged from the outside, and the hinge shaft is made of stainless steel materials and has the diameter not less than 12 mm.
The elasticity hasp is equipped with three groups, and the elasticity hasp includes connecting plate 10 and rigidity elastic arm 11, the one end and the connecting plate 10 of rigidity elastic arm 11 are connected, and one side of rigidity elastic arm 11 is equipped with the locking and detains 12, the inboard of connecting seat 5 is equipped with and locks the locking groove 13 who detains 12 looks adaptations. The depth of the locking buckle 12 buckled into the locking groove 13 is 2-3mm, when the well lid 2 is closed, the locking buckle can be tightly buckled with the well base 1, and the well lid 2 is prevented from being separated.
An opening hole 14 is formed in one end of the top of the well lid 2, a hand bracket 15 is arranged at one end of the inner side of the well seat 1, and the hand bracket 15 corresponds to the opening hole 14 in position. The well lid 2 can be conveniently opened by using tools such as a draw hook and the like.
The surface of the well lid 2 is provided with anti-skid patterns 16, the anti-skid patterns 16 are provided with a plurality of groups, the height of the anti-skid patterns 16D400 is 4-8 mm, the area of the concave-convex part is not smaller than 40% compared with the whole area and is not larger than 70%, the surface of the well base 1 is provided with water guide grooves 17, the water guide grooves 17 are provided with a plurality of groups, and the two ends of the top of the well base 1 are provided with air holes 18.
The edge of 2 bottoms of well lid is equipped with stiffening rib 19, and stiffening rib 19 is equipped with the multiunit around the contained angle such as the centre of a circle of well lid 2, the inner of stiffening rib 19 is equipped with first central circle 20, and first central circle 20 is fixed in the center department of 2 bottoms of well lid. Provides the well lid 2 with good fastening property and is not easy to break.
The civil air defense assembly comprises a side ring 21 and a connecting arm 22, the connecting arm 22 is arranged on the inner side of the side ring 21, a second central ring 23 is arranged on the inner side of the connecting arm 22, and the shock absorption supporting assembly is arranged between the first central ring 20 and the second central ring 23. The inboard of side circle 21 is equipped with filter screen 24, the inboard below of socket 6 is equipped with supports and detains 25, the outside of side circle 21 is equipped with backing sheet 26, and is equipped with the support hole of detaining 25 looks adaptation with supporting on the backing sheet 26. Through the effect of people's air defense subassembly, can support shock attenuation supporting component, can prevent again when well lid 2 is opened that the pedestrian from falling into the well, filter screen 24 also has the function of preventing rubbish from falling into the well, and the function specificity is high, and the security is strong, through the installation effect of backing sheet 26 and support knot 25, can take off at any time or install people's air defense subassembly.
The shock absorption support assembly comprises a sleeve 27 and an insert rod 28, the sleeve 27 is arranged on the second central ring 23, the insert rod 28 is movably inserted into the inner side of the sleeve 27, a supporting plate 29 is arranged at the upper end of the insert rod 28, the supporting plate 29 is supported under the first central ring 20, a spring 30 is arranged between the lower portion of the supporting plate 29 and the sleeve 27, and the spring 30 is wound on the outer side of the insert rod 28. Utilize inserted bar 28 and sleeve pipe 27's movable mounting cooperation spring 30's elastic potential energy, can effectively support well lid 2, further improve well lid 2's load-carrying capacity, prevent that well lid 2 from subsiding.
The outside of well lid 2 is equipped with spacing lug 31, and spacing lug 31 is equipped with four groups, spacing lug 31 supports the gap between well lid 2 and the well seat 1, prevents 2 horizontal migration of well lid, can not rock after 2 closed well lids. Thereby effectively reducing vibrations, the cracked possibility in the peripheral road surface of the well lid 2 that significantly reduces.
The nodular cast iron well lid with high function specificity is provided with the reverse buckling edge 3 outside the well base 1 to form a house eaves type structure, and the buckle is embedded in the asphalt structure layer 4, so that most of the pressure born by the well lid 2 is transmitted to the asphalt structure layer 4 instead of completely acting on the well body, the stress condition is changed, through verification, more than 85 percent of running load is directly absorbed by the asphalt structure layer 4 through the well base 1, under the external action, the well base 1 can automatically lift along with the asphalt structure layer 4, so that the well base and the asphalt structure layer 4 are kept on the same level, the protrusion phenomenon of the well base 1 can be avoided, the surrounding road surface is protected, the settlement is prevented, the well lid 2 is supported by the embedded rubber strip 8 on the connecting base 5, the embedded rubber strip 8 and the groove on the connecting base 5 adopt the inverted trapezoid embedding technology, the falling is not easy, and when vehicles pass above the well lid 2, the overall vibration can be reduced, the noise can be effectively prevented, meanwhile, the shock absorption supporting component is supported between the civil air defense component and the well cover 2, the well cover 2 can be effectively supported by utilizing the insertion rod 28 and the elastic potential energy of the movably-mounted matched spring 30 of the sleeve 27, the load capacity of the well cover 2 is further improved, the well cover 2 is prevented from settling, in addition, the shock absorption supporting component can be supported by utilizing the action of the civil air defense component, the pedestrian can be prevented from falling into the well when the well cover 2 is opened, the filter screen 24 also has the function of preventing the garbage from falling into the well, the function specificity is high, the safety is strong, finally, the locking buckle 12 is movably pushed by utilizing the rigid elastic arm 11 to be clamped into the locking groove 13 by utilizing the action of the elastic lock buckle, the well cover 2 can be tightly buckled with the well seat 1, the gap is filled by matching with the limit lug 31, the well cover 2 is prevented from jumping, the position movement or accidental opening, thereby effectively reducing the vibration, greatly reducing the possibility of the road surface around the well cover 2 being cracked.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides a nodular cast iron well lid that function specificity is high, includes well seat (1) and well lid (2), its characterized in that: the manhole cover (2) is arranged on the inner side of the manhole base (1) in a covering mode, the manhole cover (2) and the top surface of the manhole base (1) are on the same horizontal line, a reverse buckling edge (3) is arranged at the edge of the outer side of the manhole base (1), the reverse buckling edge (3) is embedded into the asphalt structure layer (4), a connecting base (5) is arranged below the inner side of the manhole base (1), and the bottom of the manhole cover (2) and the connecting base (5) are located through elastic locking and buckling;
the utility model discloses a well lid, including connecting seat (5), pitch structural layer (4), the below of connecting seat (5) is equipped with socket joint seat (6), socket joint seat (6) insert in the inside well of pitch structural layer (4) and with the wall of a well cooperation, the outside of socket joint seat (6) is equipped with inflation adhesive tape (7), and inflation adhesive tape (7) closely laminate the wall of a well, the top surface of connecting seat (5) is equipped with trapezoidal recess, and the inside mosaic of recess installs embedded adhesive tape (8), well lid (2) support on embedded adhesive tape (8), the inboard below of socket joint seat (6) is equipped with the civil air defense subassembly, and is connected with the shock attenuation supporting component between the bottom of civil air defense subassembly and well lid (2), be connected with built-in hinge (9) between the one end of well lid (2) and well seat (1).
2. The nodular cast iron well lid with high functional specificity of claim 1, wherein: the elasticity hasp is equipped with three groups at least, and the elasticity hasp includes connecting plate (10) and rigidity elastic arm (11), the one end and the connecting plate (10) of rigidity elastic arm (11) are connected, and one side of rigidity elastic arm (11) is equipped with the locking and detains (12), the inboard of connecting seat (5) is equipped with locks locking groove (13) of detaining (12) looks adaptation with the locking.
3. The nodular cast iron well lid with high functional specificity of claim 2, wherein: one end at the top of the well lid (2) is provided with an opening hole (14), one end of the inner side of the well seat (1) is provided with a hand bracket (15), and the hand bracket (15) corresponds to the position of the opening hole (14).
4. The nodular cast iron well lid with high functional specificity of claim 3, wherein: well lid (2) surface is equipped with anti-skidding decorative pattern (16), and anti-skidding decorative pattern (16) are equipped with the multiunit, the surface of well seat (1) is equipped with guiding gutter (17), and guiding gutter (17) are equipped with the multiunit, the both ends at well seat (1) top all are equipped with bleeder vent (18).
5. The nodular cast iron well lid with high functional specificity of claim 1, wherein: the edge of well lid (2) bottom is equipped with stiffening rib (19), and stiffening rib (19) are equipped with the multiunit around the contained angle such as the centre of a circle of well lid (2), the inner of stiffening rib (19) is equipped with first center circle (20), and first center circle (20) are fixed in the center department of well lid (2) bottom.
6. The nodular cast iron well lid with high functional specificity of claim 5, wherein: the civil air defense assembly comprises a side ring (21) and a connecting arm (22), wherein the connecting arm (22) is arranged on the inner side of the side ring (21), a second center ring (23) is arranged on the inner side of the connecting arm (22), and the shock absorption supporting assembly is arranged between the first center ring (20) and the second center ring (23).
7. The nodular cast iron well lid with high functional specificity of claim 6, wherein: the inboard of side circle (21) is equipped with filter screen (24), the below of socket joint (6) inboard is equipped with supports and detains (25), the outside of side circle (21) is equipped with backing sheet (26), and is equipped with on backing sheet (26) and supports the support hole of detaining (25) looks adaptation.
8. The nodular cast iron well lid with high functional specificity of claim 7, wherein: the shock attenuation supporting component includes sleeve pipe (27) and inserted bar (28), sleeve pipe (27) are established on second center circle (23), inserted bar (28) activity is inserted and is established the inboard of sleeve pipe (27), and the upper end of inserted bar (28) is equipped with layer board (29), layer board (29) support is under first center circle (20), be equipped with spring (30) between layer board (29) below and sleeve pipe (27), and spring (30) around establishing the outside at inserted bar (28).
9. The nodular cast iron well lid with high functional specificity according to any one of claims 1 to 8, wherein: the outside of well lid (2) is equipped with spacing lug (31), and spacing lug (31) are equipped with four groups at least, spacing lug (31) support the gap between well lid (2) and well seat (1).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110954258.5A CN113605452A (en) | 2021-08-19 | 2021-08-19 | Nodular cast iron well lid that function specificity is high |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110954258.5A CN113605452A (en) | 2021-08-19 | 2021-08-19 | Nodular cast iron well lid that function specificity is high |
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| CN113605452A true CN113605452A (en) | 2021-11-05 |
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| CN202110954258.5A Pending CN113605452A (en) | 2021-08-19 | 2021-08-19 | Nodular cast iron well lid that function specificity is high |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114016550A (en) * | 2021-11-24 | 2022-02-08 | 安徽普瑞明精密机械有限公司 | Anti-impact cast iron well lid for urban road and implementation method thereof |
| CN115354697A (en) * | 2022-09-16 | 2022-11-18 | 深圳市公路养护有限公司 | Construction method for replacing old well cover with anti-settling well cover |
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| CN202440840U (en) * | 2011-12-19 | 2012-09-19 | 张木成 | Adjustable manhole cover |
| CN103114607A (en) * | 2013-03-04 | 2013-05-22 | 济南城建集团有限公司 | Anti-settling manhole cover and construction method thereof |
| CN203361315U (en) * | 2013-05-08 | 2013-12-25 | 周正祥 | Double-layer embedded safe sewer well lid substrate system |
| CN209179072U (en) * | 2018-09-29 | 2019-07-30 | 孙立华 | A kind of shock-proof protector that town road is fallen with anti-pedestrian |
| CN211057868U (en) * | 2019-11-27 | 2020-07-21 | 盐城三山道路设施有限公司 | Anti-settling five-prevention well lid |
| CN212001279U (en) * | 2020-04-16 | 2020-11-24 | 中国建筑第二工程局有限公司 | Adjustable anti-settling nodular cast iron inspection well cover |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114016550A (en) * | 2021-11-24 | 2022-02-08 | 安徽普瑞明精密机械有限公司 | Anti-impact cast iron well lid for urban road and implementation method thereof |
| CN115354697A (en) * | 2022-09-16 | 2022-11-18 | 深圳市公路养护有限公司 | Construction method for replacing old well cover with anti-settling well cover |
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Application publication date: 20211105 |