CN204875867U - Combined manhole cover - Google Patents
Combined manhole cover Download PDFInfo
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- CN204875867U CN204875867U CN201520664322.6U CN201520664322U CN204875867U CN 204875867 U CN204875867 U CN 204875867U CN 201520664322 U CN201520664322 U CN 201520664322U CN 204875867 U CN204875867 U CN 204875867U
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- well lid
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- lids
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Abstract
The embodiment of the utility model discloses combined manhole cover, base, setting including being used for supporting role are in be used for two lids of intelligent electric power system's the effect of bearing on the base and set up two covered the bearing, shocked resistance, corrosion -resistant, resistantly waited, the enclosing cover of fire -retardant, wear -resisting effect, base, two lids and enclosing cover are the vinyl resin composites well lid body, do not have steamed fire -retardant vinyl resin and wear -resisting fleut through introducing in the well lid material to carried out certain structural design to well lid reinforced materials, provide a collection do not have steamed fire -retardant, high shock -resistant, high abrasion, various advantages vinyl resin composites well lid such as corrosion -resistant.
Description
Technical field
The utility model relates to well lid field, particularly relates to a kind of combined manhole cover.
Background technology
Well lid has purposes widely, and general well lid can be divided into casting iron well lid, cement well lid, combined manhole cover etc. by the difference of material.Combined manhole cover is a kind of new pattern manhole cover occurred in recent years, produces, the load of this well lid, theftproof, economy, rotproofness because being suitable for mechanical automation, ornamental etc. obtains good combination.Supporting capacity detects through national authority department and reaches more than 50t, and be the composite drain cover that uniquely can substitute ductile cast iron manhole cover at present completely, therefore this kind of well lid will be the main trend that future market is developed.
Utility model content
The utility model embodiment technical problem to be solved is, provides a kind of intensity high, corrosion-resistant and the combined manhole cover of fatigue.
Described combined manhole cover, comprises for passive base, is arranged on described base for playing two lids of the carrying effect of intelligent power system and being arranged on the enclosing cover that described two have covered load-bearing, shock resistance, corrosion-resistant, weather-proof, fire-retardant, wear-resisting effect; Described base, two lids and enclosing cover are vinylite composite well lid.
Described enclosing cover comprises outside framework, well lid body and is separately positioned on both sides handle above well lid body, is also provided with closing component structure below described well lid body.
Described base has shock-resistant, anticorrosion, resistance to compression effect, is to be realized by two or more materials combined in high long glass fibres enhancing, high high impact resins, anticorrosion vinylite, halogen-free flame-retardant resin, filling aluminium hydrate, pearl filler;
The described two carrying effects of building intelligent power system, the feature such as there is high strength, high flame retardant, electrical strength is excellent, creep age distance is short.Be being paved into by Woven glass cloth, the one or more combination of adding in non-halogen flame-proof ethylene base resin, vinylite, hips resin, filling aluminium hydrate, thickener, pearl filler forms, and by the compacting of high pressure, plate face is closely knit.Wherein above-mentioned Length of Glass Fiber comprises one or more in 100mm, 50mm, 25mm, 12mm, 6mm, and shared mixture ratio is 35-50%.The composition levels of one or more in high high impact resins, vinylite, halogen-free flame-retardant resin is 20-30%.The ratio of filling aluminium hydrate, pearl filler is 20-45%; Be paved into that glass is glass felt, unidirectional fibre, woven roving, ± 45 ° of fabrics, 50mm glass, one or more combination in 25mm glass form, content is 25%-40%.Resin is 25-30% by two or three proportion of composing in halogen-free flame-retardant resin, vinylite, hips resin, and filler is one or both in aluminium hydroxide, calcium carbonate, and content is 30-50%;
Describedly outer build load-bearing, the effect such as shock-resistant, corrosion-resistant, weather-proof, fire-retardant, wear-resisting, by Woven glass cloth: the one or more combination in unidirectional cloth, woven roving, glass felt, ± 45 ° of Woven glass cloths forms.Resin paste is by vinylite, non-halogen flame-proof ethylene base resin, aluminium hydroxide, calcium carbonate, flexibilizer, ultraviolet absorber, wear resistant filler, high activity resin, two or more combine, wherein be paved into that glass is glass felt, unidirectional fibre, woven roving, ± 45 ° of fabrics, 50mm glass, one or more combination in 25mm glass form, content is 35%-55%.Resin is made up of one or more in non-halogen flame-proof ethylene base resin, hips resin, vinylite, and content is 20-30%.Filler is made up of one or more in aluminium hydroxide, calcium carbonate, wear resistant filler, and content is 25-35%.
Implement the utility model embodiment, there is following beneficial effect:
The purpose of this utility model is intended to overcome the deficiency in above-mentioned technology, by introducing the vinylite of halogen-free flameproof and wear-resisting fleut in well lid material, and certain structure design has been carried out to well lid reinforcing material, provide a kind of collection halogen-free flameproof, high shock-resistant, high abrasion, the various advantage vinylite composite drain cover such as corrosion-resistant, the material of composition well lid body strengthens from traditional pure chopped strand the mode becoming chopped strand and oriented yarn mixing enhancing, and in compression molding process, oriented yarn is designed to along 0 ° ± 45 ° and 90 ° of directions evenly distributed, so both considerably increase the mechanical strength of well lid body, turn increase the uniformity of its performance, mechanical strength is high: vinylite only has two ends to have activity double key, so excellent shock resistance, than common unsaturated polyester (UP) height 40%-60%.Vinylite strand has hydroxyl, and resin can soak into glass fast, and glass adhesion is strong, and intensity is higher.All can not there is deformation in repeatedly roll and brake shock-testing, anti-impact test products.In structure design, adopt oriented yarn to add chopped strand and produce, during mold pressing, carry out laying, tape edge felt of arranging in pairs or groups again strengthens, and glass and resin perfect adaptation, both remained the high strength of roving glass fiber yarn, remain again the mobility that short yarn cutting is good, make Total Product uniform force, high-impact, anti-folding.Anti-hammering and high-altitude leave (anti-impact force measures examination) and outward appearance is good; Good flame resistance: vinylite molecular structure introduces active phosphorus-containing compound as fire retardant, then be equipped with a small amount of aluminium hydroxide flame-retardant filler, achieve the halogen-free flame retardant feature of product.Product anti-flammability can reach the fire-retardant A level of building, and short time baked wheaten cake can not burn; Corrosion-resistant: vinylite has the molecular structure of epoxy resin, and sterically hindered effect adds the stability of the functional groups such as labile ester group.Make product soak 48 hours at 30% sulfuric acid solution, bending strength decline < 10%, Quality Down < 1%, surface has no significant effect.10% concentration aqueous slkali soaking 48 hours, bending strength decline < 10%, quality is without significant change, and surface is without significant change; Good weatherability: add ultraviolet absorber, through sunlight in 3 years, surface was without cracking or obviously ftracture; Raw material comprise RTI, UL94V0 by UL certification, and RTI reaches 150 DEG C, fire-retardantly reach V0 level; The resistance to limit is impacted or after resistance to limiting pressure, material brittle failure can not occur, and can not scratch tire and pedestrian, can not injure two lids; Quality authentication: CJ/T2011-2005, EN124:1994, all products are all up to the standards by national chemical building material quality Supervision Test Center, and major product is also by international three large testing agency SGS, and it is qualified that BV, Eurofins unanimously approve, quality is two to be ensured; Resistant of high or low temperature is good :-40 DEG C-100 DEG C, product heat distortion temperature > 240 DEG C; Life-span is long: manual simulation's 2,000,000 fatigue tests are unchanged, expected life 30 years; Excellent electrical property: the vinylite in product remains the feature of epoxy resin good electrical property.There is higher insulaion resistance, withstand voltage, resistance to electric arc, creep age distance short etc.; Abrasion resistance is good: the high rigidity characteristic of having used alumina powder filler, carries out direct friction 5 hours with capping and rubber, its coefficient > 0.35.
Accompanying drawing explanation
Fig. 1 is the utility model embodiment two lid structural representation;
Fig. 2 is the utility model embodiment base structural representation;
Fig. 3 is the utility model embodiment one lid structural representation.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, the utility model is described in further detail.
The utility model embodiment combined manhole cover, comprises for passive base, is arranged on described base for playing two lids of the carrying effect of intelligent power system and being arranged on the enclosing cover that described two have covered load-bearing, shock resistance, corrosion-resistant, weather-proof, fire-retardant, wear-resisting effect; Described base, two lids and enclosing cover are vinylite composite well lid, described enclosing cover comprises well lid outside framework, is arranged on the well lid body 1 in well lid outside framework and is separately positioned on both sides handle 2 above described well lid body 1, be fixedly installed lock uint 3 below described well lid body 1, described well lid body 1 is vinylite composite well lid.
Can thickening non-halogen flame-proof ethylene base resin be reacted into vinylite with methacrylic acid again after being reacted by polyfunctional epoxy resin and active phosphorus-containing compound, in order to obtain reliable thickening property, strand connects carboxyl (-COOH) for thickening, finally using styrene dilution to obtain can thickening non-halogen flame-proof ethylene base resin.The molded product of this resin and a small amount of aluminium hydroxide collocation preparation has the features such as halogen-free flameproof, high strength, high heat-resisting, excellent electrical property; Vertical intensity: vinylite only has two ends to have activity double key, so excellent shock resistance, than common unsaturated polyester (UP) height 40%-60%.Vinylite strand has hydroxyl, and resin can soak into glass fast, and glass adhesion is strong, and intensity is higher.All can not there is deformation in repeatedly roll and brake shock-testing, anti-impact test products.Structure design: adopt directional fiber to add chopped strand and produce SMC, carry out laying during mold pressing, then tape edge felt of arranging in pairs or groups strengthens, glass and resin perfect adaptation, Total Product uniform force, high-impact, anti-folding.Anti-hammering and high-altitude leave (anti-impact force measures examination); Anti-flammability: product anti-flammability can reach the fire-retardant A level of building, and short time baked wheaten cake can not burn; Corrosion-resistant: 30% sulfuric acid solution soaks 48 hours, bending strength decline < 10%, Quality Down < 1%, surface has no significant effect.10% concentration aqueous slkali soaking 48 hours, bending strength decline < 10%, quality is without significant change, and surface is without significant change; Weather-proof: to add ultraviolet absorber, through sunlight in 3 years, surface was without cracking or obviously ftracture; Raw material comprise RTI, UL94V0 by UL certification, and RTI reaches 150 DEG C, fire-retardantly reach V0 level; The resistance to limit is impacted or after resistance to limiting pressure, material brittle failure can not occur, and can not scratch tire and pedestrian, can not injure two lids; Quality authentication: CJ/T2011-2005, EN124:1994, all products are all up to the standards by national chemical building material quality Supervision Test Center, and major product is also by international three large testing agency SGS, and it is qualified that BV, Eurofins unanimously approve, quality is two to be ensured; High-low temperature resistant ,-40 DEG C-100 DEG C, product heat distortion temperature > 240 DEG C; Life-span: manual simulation's 2,000,000 fatigue tests are unchanged, expected life 30 years; Excellent electrical property: there is higher insulaion resistance, withstand voltage, resistance to electric arc, creep age distance short etc.; Direct friction is carried out 5 hours, its coefficient > 0.35 with capping and rubber.
Above disclosedly be only a kind of preferred embodiment of the utility model, certainly can not limit the interest field of the utility model with this, therefore according to the equivalent variations that the utility model claim is done, still belong to the scope that the utility model is contained.
Claims (2)
1. a combined manhole cover, it is characterized in that, comprise for passive base, be arranged on described base for playing two lids of the carrying effect of intelligent power system and being arranged on the enclosing cover that described two have covered load-bearing, shock resistance, corrosion-resistant, weather-proof, fire-retardant, wear-resisting effect; Described base, two lids and enclosing cover are vinylite composite well lid.
2. combined manhole cover as claimed in claim 1, is characterized in that, described enclosing cover comprises outside framework, well lid body and is separately positioned on both sides handle above well lid body, is also provided with closing component structure below described well lid body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520664322.6U CN204875867U (en) | 2015-08-27 | 2015-08-27 | Combined manhole cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520664322.6U CN204875867U (en) | 2015-08-27 | 2015-08-27 | Combined manhole cover |
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| Publication Number | Publication Date |
|---|---|
| CN204875867U true CN204875867U (en) | 2015-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520664322.6U Active CN204875867U (en) | 2015-08-27 | 2015-08-27 | Combined manhole cover |
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| CN (1) | CN204875867U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109914361A (en) * | 2019-03-27 | 2019-06-21 | 牟月芳 | A kind of precast concrete hydrant protection body |
-
2015
- 2015-08-27 CN CN201520664322.6U patent/CN204875867U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109914361A (en) * | 2019-03-27 | 2019-06-21 | 牟月芳 | A kind of precast concrete hydrant protection body |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170629 Address after: Zheng Jie 400015 Xiejiawan Jiulongpo District of Chongqing City No. 59 unit 1 6-8 Patentee after: Chongqing Jieyou Electrical Material Co., Ltd. Address before: Zheng Jie 400015 Xiejiawan Jiulongpo District of Chongqing City No. 59 unit 1 6-8 Patentee before: Li Aijun |