CN101899844A - Composite manhole cover and manufacturing method thereof - Google Patents
Composite manhole cover and manufacturing method thereof Download PDFInfo
- Publication number
- CN101899844A CN101899844A CN 201010234604 CN201010234604A CN101899844A CN 101899844 A CN101899844 A CN 101899844A CN 201010234604 CN201010234604 CN 201010234604 CN 201010234604 A CN201010234604 A CN 201010234604A CN 101899844 A CN101899844 A CN 101899844A
- Authority
- CN
- China
- Prior art keywords
- manhole cover
- reinforcing rib
- combined manhole
- ductile iron
- locking device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The invention relates to various manhole covers of various road underground pipe networks and highways, in particular to a composite manhole cover and a manufacturing method thereof. The composite manhole cover is provided with an opening hole, a locking device and a manhole base positioning device; and a nodular cast iron reinforcing rib is arranged in the composite manhole cover and is subjected to integral casting molding with the opening hole, the locking device and the manhole base positioning device. The composite manhole cover has the advantages of reducing the cost greatly, prolonging the service life and reaching the national standard of heavy manhole cover bearing capacity.
Description
Technical field:
What the present invention relates to is various well lids on different kinds of roads network of underground and the highway, is specially a kind of combined manhole cover and manufacture method thereof.
Background technology:
Traditional well lid mostly is casting iron well lid, its cost height, the surface fracture of easily getting rusty, again because well lid is whole cast iron formation, cast iron has the value of recycling, reproducible utilization, thereby often lose, because well lid is lost and is caused the safety that has a strong impact on vehicle and pedestrian, so that the generation of traffic and pedestrian's casualty accident is often arranged.For this reason, in recent years, adopt different composite materials to replace the research application development of cast iron manufacturing well lid very fast, preferably resolve the problem that well lid is lost, but existing composite drain cover, majority is still made skeleton with the steel of different structure, internal construction is various, and the compressive strength and the rigidity of its well lid are lower, and supporting capacity is poor, application life is short, is not durable.Chinese patent CN2423321 discloses a kind of composite polyethylene material well lid, the common name silicon plastic well lid, mainly be fixed the making of cage of reinforcement of utilizing industrial residue flyash and main composite material of waste plastics conduct and groined type, this well lid makes the trade waste comprehensive utilization, played the good social benefit, solved the problem of losing, also in to a certain degree, improve the intensity of well lid, but can only be on the sidewalk, sub-district, greenbelt uses, and do not reach above supporting capacity of existing national standard D400 and rigidity, performance indications such as aging; The well lid of groined type reinforcing rib preparation in addition, its resistance to compression, flexural strength are lower, be subjected to that the external force effect easily splits off, application life is not long, the unsaturated-resin well lid produces the supporting capacity deficiency after trying out be common phenomenon, well lid surface opens that cracky, vehicle are capable out-of-dately to be prone to knock-on and to cause the accident, draining in flood season well lid easily is flushed away, and pipe network well facility is stolen serious, becomes the road construction a great problem.
Summary of the invention:
The purpose of this invention is to provide a kind of cost that can make and reduce, prolong application life, and be applicable to that heavy well lid load bearing requirements reaches the combined manhole cover and the manufacture method thereof of national standard.
To achieve these goals, the present invention has adopted following technical scheme: a kind of combined manhole cover, combined manhole cover is provided with open hole, locking device and well seat positioner, be provided with the ductile iron reinforcing rib in the combined manhole cover, described ductile iron reinforcing rib and open hole, locking device and the cast molding of well seat positioner one;
Described open hole is that the open hole of casting two correspondences on the ductile iron reinforcing rib is inserted;
Described locking device is antirust stainless steel material, the straight-through locking device of interstitial hole of casting two correspondences on the ductile iron reinforcing rib, and it is " ' that locking device is opened mouth " number type;
Described well seat positioner is several alignment pins that become symmetry at ductile iron reinforcing rib direct casting, and cooperates with locating slot on the well seat;
A kind of combined manhole cover manufacture method, combined manhole cover are provided with open hole, locking device and well seat positioner, are provided with the ductile iron reinforcing rib in the combined manhole cover, described ductile iron reinforcing rib and open hole, locking device and the cast molding of well seat positioner one;
Described a kind of combined manhole cover and manufacture method concrete steps thereof:
(1) polystyrene 45%, the styrene 55% that weigh up are poured into mixer and mixed and stirred, it is stand-by to stir;
(2) be the polyurethane 13% that weighs up, polystyrene, styrene mixture 28%, dispersible pigment color paste 1.5%, zinc stearate 3%, calcium hydroxide 1.5%, uncle's fourth fat 0.6% are poured kneader into and are mediated;
(3) add to add 40% stone flour and 12.4% no salty 2-3 centimetre length glass silk and above-mentioned chemical industry batching at kneader, enter kneader simultaneously, be kneaded into Bulk Molding Compound, mediate evenly, no steam is kneaded into Bulk Molding Compound;
(4) will mediate successful Bulk Molding Compound and accurately weigh up Bulk Molding Compound by the proportion of required product;
(5) it is even, thoughtful to put into model cavity bottom pad with a small amount of ratio Bulk Molding Compound earlier, and the ductile iron reinforcing rib is put into mould by the well lid position, puts remainder bulk molding into ductile iron reinforcing rib top again;
(6) start the electricity consumption of hydraulic press matched moulds and be heating and curing, after in official hour, solidifying, open upper and lower mould, the product automatic demoulding;
(7) finishing product adds the frock lock, combined manhole cover and the assembling of well seat;
Describedly be kneaded into Bulk Molding Compound and ductile iron reinforcing rib hydraulic pressure temperature is controlled at 135-140 ℃, be 15 minutes hardening time;
Described combined manhole cover capping has added mill base, and it is three primary colors with the slurry, also can be its combined color.
The present invention has following advantage, because the combined manhole cover of the inserts moulding that the strength bar, the quartz powder that adopt ductile iron to make well lid are major ingredient to be mixed, cost is low, the casting iron well lid that tool has replaced is renewable, utilize again, make the pilferage well lid lose the value of stealing, thereby solved the stolen problem of well lid, avoided preferably losing the accident that causes because of well lid, its social benefit is obvious.The present invention compares with casting iron well lid, reduces material cost 15%-20%.
The present invention has adopted the sandwich layer of special construction, effectively raise the supporting capacity of well lid, supervising inspection center through national construction work detects, the trial load that supporting capacity of the present invention meets People's Republic of China's country's GB/T23858-2009 standard and European heavy standard meets and exceeds D400KN, bending strength average 89.5MPa, compressive strength average 66.1MPa, hot strength average 64.8MPa, tensile modulus of elasticity average 8025.8MPa, the every performance indications of modulus of elasticity in static bending 4467.7MPa all surpass and require.
The well lid top layer that the present invention makes has added mill base, and it is three primary colors with the slurry, also can be its combined color,, produce the manhole cover of different colours according to the actual needs on various constructions road surface, be applied to fire-fighting as redness, yellow is applied to the inspection shaft of coal gas, natural gas and caliduct; Blueness is applied to the inspection shaft of telecommunications, cable, optical cable, telephone wire, cable television; Green is applied to house property sub-district, greenbelt, rainwater sidewalk, electric power inspection shaft; Grey is applied to the sink hole on cement road, cement square; Black is applied to occasions such as asphalt tar highway inspection shaft.
Adopt particular color with on the specific well lid at present, be provided with the purposes sign of inspection shaft underground pipeline simultaneously on the well lid by national standard, have tangible warning function, make things convenient for Special Work personnel's identification; Simultaneously the well lid maximum of colored well lid and paint be not both its lovely luster, be difficult for fading, fading; Image is elegant in appearance, and easily flushing is laid in urban road and park, square, the sub-district and can beautifies the environment, decorate the street; Have simultaneously and reach the advantage more than 30 years in good resistance to compression, bending resistance, corrosion-resistant, weather-resistant, application life.
Description of drawings:
Describe the present invention below in conjunction with accompanying drawing.
Fig. 1 is a combined manhole cover structural representation of the present invention.
Fig. 2 is the sectional view of Fig. 1.
Fig. 3 is a ductile iron reinforcing rib structure schematic diagram of the present invention.
Fig. 4 opens schematic diagram for combined manhole cover of the present invention.
The specific embodiment:
As shown in Figure 1, Figure 2, Figure 3 and Figure 4: a kind of combined manhole cover, combined manhole cover (1) is provided with open hole (3), locking device (4) and well seat positioner (5), be provided with ductile iron reinforcing rib (2) in the combined manhole cover, described ductile iron reinforcing rib (2) and open hole (3), locking device (4) and well seat positioner (5) one cast molding.
Described open hole is that the open hole (3) of casting two correspondences on black cast iron reinforcing rib (2) is inserted, and solves construction party through conventional method commonly used, and the pick sled is opened the function of the breakage of well lid.
Described locking device (4) is antirust stainless steel material, the straight-through locking device of interstitial hole of casting two correspondences on black cast iron reinforcing rib (2), it is " ' that locking device is opened mouth " number type, it mainly is the driving of antitheft, anti-vehicle, the well lid well head that bounces out, prevent the function that the water counterattack washes away well lid in flood season, and be equipped with the special opening instrument.
Described well seat positioner (5) is several alignment pins that become symmetry at black cast iron reinforcing rib (2) direct casting, and cooperates with the last locating slot of well seat (6), reaches vehicle to run and does not produce the function that well lid moves and bounces and shake.
A kind of combined manhole cover manufacture method, combined manhole cover (1) is provided with open hole (3), locking device (4) and well seat positioner (5), be provided with ductile iron reinforcing rib (2) in the combined manhole cover, described ductile iron reinforcing rib (2) and open hole (3), locking device (4) and well seat positioner (5) one cast molding.
Affiliated a kind of combined manhole cover and manufacture method concrete steps thereof:
(1) polystyrene 45%, the styrene 55% that weigh up are poured into mixer and mixed and stirred, it is stand-by to stir;
(2) be the polyurethane 13% that weighs up, polystyrene, styrene mixture 28%, dispersible pigment color paste 1.5%, zinc stearate 3%, calcium hydroxide 1.5%, uncle's fourth fat 0.6% are poured kneader into and are mediated;
(3) add to add 40% stone flour and 12.4% no salty 2-3 centimetre length glass silk and above-mentioned chemical industry batching at kneader, enter kneader simultaneously, be kneaded into Bulk Molding Compound, mediate evenly, no steam is kneaded into Bulk Molding Compound;
(4) will mediate successful Bulk Molding Compound and accurately weigh up Bulk Molding Compound by the proportion of required product;
(5) it is even, thoughtful to put into model cavity bottom pad with a small amount of ratio Bulk Molding Compound earlier, and ductile iron reinforcing rib (2) is put into mould by the well lid position, remainder bulk molding is put into ductile iron reinforcing rib (2) top again;
(6) start the electricity consumption of hydraulic press matched moulds and be heating and curing, after in official hour, solidifying, open upper and lower mould,
The product automatic demoulding;
(7) finishing product adds the frock lock, combined manhole cover and the assembling of well seat.
Describedly be kneaded into Bulk Molding Compound and ductile iron reinforcing rib hydraulic pressure temperature is controlled at 135-140 ℃, be 15 minutes hardening time.
Described combined manhole cover (1) capping has added mill base, and it is three primary colors with the slurry, also can be its combined color.
In sum, the present invention adopts the multirow of ductile iron one cast molding to report to the leadship after accomplishing a task and arranges the enhancement Layer that the criss-cross strength bar have support is made well lid, and that its ductile iron is selected for use is shock-resistant, resistance to compression is anti-tears open and anti-wear performance is high and moderate ferrite QT450-12 or pearlite QT500-7; It is stand-by that polystyrene, styrene stir into liquid earlier, with polyurethane 13%, polystyrene, styrene is mixture 28%, dispersible pigment color paste 1.5%, zinc stearate 3%, calcium hydride 1.5%, uncle's fourth fat 0.6% pour that kneader adds the glass silk of no salty 2-3 centimetre length essence of 40% quartz powder and 12.4% again and above-mentioned chemical industry batching enters kneader simultaneously into, be kneaded into Bulk Molding Compound and ductile iron enhancing arrangement of reinforcement spare and enter 135-140 ℃ of hydraulic die high temperature, generally curing molding in 15 minutes finally is prepared into the intensified multifunction combined manhole cover.
Claims (8)
1. combined manhole cover, combined manhole cover is provided with open hole, locking device and well seat positioner, be provided with the ductile iron reinforcing rib in the combined manhole cover, it is characterized in that, ductile iron reinforcing rib and open hole, locking device and the cast molding of well seat positioner one;
2. a kind of combined manhole cover according to claim 1 is characterized in that, open hole is that the open hole of casting two correspondences on the ductile iron reinforcing rib is inserted;
3. a kind of combined manhole cover according to claim 1 is characterized in that, locking device is antirust stainless steel material, the straight-through locking device of interstitial hole of casting two correspondences on the ductile iron reinforcing rib, and it is " ' that locking device is opened mouth " number type;
4. a kind of combined manhole cover according to claim 1 is characterized in that, described well seat positioner is several alignment pins that become symmetry at ductile iron reinforcing rib direct casting, and cooperates with locating slot on the well seat;
5. combined manhole cover manufacture method, combined manhole cover is provided with open hole, locking device and well seat positioner, be provided with the ductile iron reinforcing rib in the combined manhole cover, it is characterized in that, ductile iron reinforcing rib and open hole, locking device and the cast molding of well seat positioner one;
6. a kind of combined manhole cover manufacture method according to claim 5 is characterized in that, a kind of combined manhole cover and manufacture method concrete steps thereof:
(1) polystyrene 45%, the styrene 55% that weigh up are poured into mixer and mixed and stirred, it is stand-by to stir;
(2) be the polyurethane 13% that weighs up, polystyrene, styrene mixture 28%, dispersible pigment color paste 1.5%, zinc stearate 3%, calcium hydroxide 1.5%, uncle's fourth fat 0.6% are poured kneader into and are mediated;
(3) add to add 40% stone flour and 12.4% no salty 2-3 centimetre length glass silk and above-mentioned chemical industry batching at kneader, enter kneader simultaneously, be kneaded into Bulk Molding Compound, mediate evenly, no steam is kneaded into Bulk Molding Compound;
(4) will mediate successful Bulk Molding Compound and accurately weigh up Bulk Molding Compound by the proportion of required product;
(5) it is even, thoughtful to put into model cavity bottom pad with a small amount of ratio Bulk Molding Compound earlier, and the ductile iron reinforcing rib is put into mould by the well lid position, puts remainder bulk molding into ductile iron reinforcing rib top again;
(6) start the electricity consumption of hydraulic press matched moulds and be heating and curing, after in official hour, solidifying, open upper and lower mould, the product automatic demoulding;
(7) finishing product adds the frock lock, combined manhole cover and the assembling of well seat;
7. according to claim 5,6 described a kind of combined manhole cover manufacture methods, it is characterized in that describedly be kneaded into Bulk Molding Compound and ductile iron reinforcing rib hydraulic pressure temperature is controlled at 135-140 ℃, be 15 minutes hardening time;
8. according to claim 5,6 described a kind of combined manhole cover manufacture methods, it is characterized in that the combined manhole cover capping has added mill base, it is three primary colors with the slurry, also can be its combined color.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010234604 CN101899844A (en) | 2010-07-23 | 2010-07-23 | Composite manhole cover and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010234604 CN101899844A (en) | 2010-07-23 | 2010-07-23 | Composite manhole cover and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101899844A true CN101899844A (en) | 2010-12-01 |
Family
ID=43225731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010234604 Pending CN101899844A (en) | 2010-07-23 | 2010-07-23 | Composite manhole cover and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101899844A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104099949A (en) * | 2014-08-04 | 2014-10-15 | 成都新同高复合器材有限公司 | Spheroidal graphite cast iron well lid and production method thereof |
| CN106238570A (en) * | 2016-08-26 | 2016-12-21 | 福州市业特节能科技有限公司 | The production technology of integral molding rustless steel grass basin well |
| CN110847241A (en) * | 2019-11-04 | 2020-02-28 | 山东宝盖新材料科技股份有限公司 | Cover plate of nodular cast iron composite SMC material and manufacturing method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2212606Y (en) * | 1995-02-25 | 1995-11-15 | 汪飞龙 | Theft-proof safety manhole cover |
| JPH11190037A (en) * | 1997-10-20 | 1999-07-13 | Hoku Cast:Kk | Manhole cover |
| CN2526350Y (en) * | 2002-02-10 | 2002-12-18 | 王兴翔 | Displacement prevention anti-theft manhole cover |
| CN201089944Y (en) * | 2007-09-28 | 2008-07-23 | 李凤祥 | Safety well cover |
| CN201284487Y (en) * | 2008-10-30 | 2009-08-05 | 王一峰 | Spheroidal graphite cast iron combined manhole cover |
| CN201843147U (en) * | 2010-07-23 | 2011-05-25 | 盐城三山道路设施有限公司 | Composite manhole cover |
-
2010
- 2010-07-23 CN CN 201010234604 patent/CN101899844A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2212606Y (en) * | 1995-02-25 | 1995-11-15 | 汪飞龙 | Theft-proof safety manhole cover |
| JPH11190037A (en) * | 1997-10-20 | 1999-07-13 | Hoku Cast:Kk | Manhole cover |
| CN2526350Y (en) * | 2002-02-10 | 2002-12-18 | 王兴翔 | Displacement prevention anti-theft manhole cover |
| CN201089944Y (en) * | 2007-09-28 | 2008-07-23 | 李凤祥 | Safety well cover |
| CN201284487Y (en) * | 2008-10-30 | 2009-08-05 | 王一峰 | Spheroidal graphite cast iron combined manhole cover |
| CN201843147U (en) * | 2010-07-23 | 2011-05-25 | 盐城三山道路设施有限公司 | Composite manhole cover |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104099949A (en) * | 2014-08-04 | 2014-10-15 | 成都新同高复合器材有限公司 | Spheroidal graphite cast iron well lid and production method thereof |
| CN104099949B (en) * | 2014-08-04 | 2015-12-30 | 成都新同高复合器材有限公司 | Ductile cast iron manhole cover and preparation method thereof |
| CN106238570A (en) * | 2016-08-26 | 2016-12-21 | 福州市业特节能科技有限公司 | The production technology of integral molding rustless steel grass basin well |
| CN110847241A (en) * | 2019-11-04 | 2020-02-28 | 山东宝盖新材料科技股份有限公司 | Cover plate of nodular cast iron composite SMC material and manufacturing method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106337442B (en) | A kind of Reactive Powder Concrete material inspection well lid and preparation method thereof | |
| CN100494586C (en) | Manhole cover and method for producing same | |
| CN106630842B (en) | A kind of colour permeability flexible concrete and its preparation method and application | |
| CN105316988A (en) | Permeable terrace brick manufacturing method | |
| CN102809050A (en) | Rubber concrete component of steel pipe | |
| CN106747058A (en) | Double-layer baking-free permeable brick with silicon manganese alloy slag as aggregate and preparation method thereof | |
| CN101899844A (en) | Composite manhole cover and manufacturing method thereof | |
| CN105297778A (en) | Nodular cast iron fiber well lid and preparation method thereof | |
| CN102942329A (en) | Water seepage material with steel slag as skeletal material, and preparation method and application thereof | |
| CN102182130B (en) | High-strength glass decorative steel slag concrete prefabricated art stone and manufacture method thereof | |
| CN201843147U (en) | Composite manhole cover | |
| CN101586324A (en) | Pervious environment protection encarpus brick and method for producing the same | |
| CN201314052Y (en) | Concrete inspection well cover for landscape type simulation stone surface layer | |
| CN2498214Y (en) | Composite drain covers | |
| CN205776390U (en) | Integral type well lid | |
| CN208100683U (en) | A kind of antidetonation flush system ecological slope protection mold | |
| CN102493489B (en) | High-toughness fabric fiber resin road manhole cover | |
| CN108285297A (en) | Artificial granite pavior brick and preparation method thereof | |
| CN205133423U (en) | Concrete brick permeates water | |
| CN1292132C (en) | Reinforced manhole cover and its making method | |
| CN1978366A (en) | Calcium carbide dregs concrete pedestrian path brick and its preparing method | |
| CN103882887B (en) | A kind of anti-stealing manhole cover | |
| CN113716913A (en) | Regenerated fiber concrete joggle joint luminous kerb and preparation method thereof | |
| CN2764821Y (en) | Well cover made of concrete composite material | |
| CN101992492A (en) | Method for manufacturing color road side stone |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20101201 |