CN2180688Y

CN2180688Y - Plastic alloy theft-proof well cover for drainage

Info

Publication number: CN2180688Y
Application number: CN 94200636
Authority: CN
Inventors: 姚广忠
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-01-18
Filing date: 1994-01-18
Publication date: 1994-10-26
Anticipated expiration: 2004-01-18

Abstract

The utility model discloses a plastic alloy theft-proof well cover for water supply and sewerage, belonging to the technical field of the auxiliary constructions of water supply and sewerage work structures. The plastic alloy theft-proof well cover for water supply and sewerage is composed of a prestressed well cover, a well cover base, a locking device, the well cover of a gutter inlet, etc. The plastic alloy theft-proof well cover for water supply and sewerage is characterized in that the devices and the components are made of plastic alloy material and integrated to mold by a die casting process. The plastic alloy theft-proof well cover for water supply and sewerage is suitable for the water supply and sewerage works of different weather conditions and truck loading impacts, manholes, drainage wells, gutter inlet wells, and other industries of gas and telecommunications, etc. The performance of the plastic alloy theft-proof well cover for water supply and sewerage can substitute the existing cast iron well covers, and can effectively prevent the phenomena of fraudulent sale and embezzlement.

Description

Plastic alloy theft-proof well cover for drainage

Belong to water supply and sewage work structure ancillary structure technical field.Its primary structure be by: give the stress manhole lid device, and convex network reinforcing rib, special marker, well lid garden peripheral frame fixedly Luo hole, first garden are extracted hole, administrative tag, anti-skidding projection, lid spacer screen network and are propped up muscle; With the well lid base device, interior ring assembly stand, fixedly hole, outer shroud base anchor are extracted in Luo hole, second garden, lower margin hole, reinforcement plate, by the dress hole; And the recessed end tightening of interior hexagonal screw, the screw end cap of locking device; Form Deng member.

Manhole cover, blowdown well lid, the rainwater flap (being commonly called as leaf grating for down pipe) that use existing various places water supply and sewage work and residential district are to continue to use the manufacturing of grey cast-iron material always.

The distinct issues the most that the various places prolonged application is produced are that well lid is often lost in a large number, and this has increased the additional maintenance spending not only for urban construction administrative department, also causes many harm pedestrians, the contingency of seedling and vehicle.Now, demand retrofit urgently to become the national hard nut to crack that does not have solution for a long time.

In recent years domestic having in succession with cement added well lid product and the well lid local locks with respect device that materials such as steel fibre, glass fiber reinforced plastic, magnesia unslacked, stone material, powdered-metal die casting are made, and loses for attempting to solve well lid, and alternative casting iron well lid is attempted.Result on trial shows that the performance of above-mentioned various well lids can't reach the requirement of real world applications condition.

Existing does not by retrieval still have design specifications and the standard of making plumbing manhole, sewage well, inlet for stom water well lid both at home and abroad, does not find that useful plastics make the precedent and the product appearance of above-mentioned well lid yet.

The purpose of this utility model is to give, and water supply and sewage work, residential district provide a kind of alternative casting iron well lid, and can prevent loss, economical and practical plumbing plastic alloy anti-stealing manhole cover.

The purpose of this utility model, realize by following structure design:

Existing casting iron well lid is divided into extra-heavy duty type, heavy type, light-duty, rainwater flap by different applications.Wherein give the stress design except that there is the certain curvature amount of deflection on extra-heavy duty type well lid surface, all the other are flat design.Dicyclo individual pen reinforcing rib is arranged at extra-heavy duty type well lid bottom, and the monocycle reinforcing rib is arranged at heavy well lid bottom.All the other are light-duty, the rainwater flap does not all have reinforcing rib design.Above-mentioned well lid does not all have the anti-theft locking device design.Its weight is bigger, and extra-heavy duty type is 136 a kilograms/cover, and light-duty is 55.5 kilograms/cover.

In view of the physicochemical property of existing various general-purpose plastics, engineering plastics, also there is not to be fit to make the material of manhole cover for water supply or drainage.If make manhole cover for water supply or drainage with above-mentioned material, will occur the long-term daylight width of cloth penetrate produce that light degradation is aging, brittle fracture under low temperature cracking and can not bear truck dynamic loading pressure, practical problems such as impact.

The utility model design, for adapting to practical application condition needs at investigation China north and south practical limit temperature, on the basis of ground temperature data, " vehicular load should be pressed the uniform of 1/2nd trailing wheels and on the cover board calculate with reference to the well lid load pressure that proposes in China Construction Industry Press's (publishing in 1984) " plumbing design manual "." and " the manhole cover for water supply or drainage live load 400kg/m on the sidewalk ²" suggestion.

China's north and south limit temperature, ground temperature value that investigation draws: temperature is+41.5 ℃ ,-43.6 ℃, and ground temperature is+31.9 ℃ ,-10.5 ℃ (the dark 200mm of soil).

The utility model carries out following inventive improvements in design based on above-mentioned well lid practical application condition:

Plumbing plastic alloy anti-stealing manhole cover, the lid type is designed to the arc that winds up of certain curvature torsion, and the well lid surface design has convex network reinforcing rib, the corresponding lower edge arc that the certain curvature amount of deflection is arranged that designs with the well lid surface in well lid bottom, the dicyclo arch form, lid spacer screen network props up muscle.

On the peripheral frame of well lid garden, design has expression to use city or organization, heat-resistance type and dispatch from the factory the age special marker and maker's name and the little note of trade mark that the literal of lot number or numeral are formed.

At the quartering position of well lid garden peripheral frame, design has fixedly Luo hole of locking well lid use 4.The Luo hole contains a side (with ring assembly stand corresponding position in the well lid base) and laterally extracts the hole in first garden.First garden is extracted second garden of corresponding design on the interior ring assembly stand of hole and well lid base device and is extracted hole, forms well lid extraction hole, is used for the well lid extraction.

In well lid centre of surface position, promptly the middle convex reinforcing rib garden of convex network reinforcing rib indicates the special marker that the well lid purposes is arranged in week.Show with " dirt " word table that as the blowdown well lid feedwater well lid shows and the symbol of well lid type with " giving " word table, as: extra-heavy duty type, use the A symbolic representation, heavy type is used the B symbolic representation, and A1 represents extra heavy normal temperature type, and A2 represents extra heavy low temperature resistant type.

On the well lid surface, the cyberspace position of convex network reinforcing rib, the anti-skidding projection that uniform height is consistent with convex network reinforcing rib gives the stress manhole lid device by said structure design formation.

The speed of giving stress manhole lid device and well lid base device connects fixing, be select for use with well lid garden peripheral frame on fixedly Luo hole and the well lid base device in the fixedly Luo hole of ring on the assembly stand, screw thread, thickness, aperture, the recessed end tightening of hexagonal screw in (GB80-85) series that is complementary, common-use size is connected and fixed.For the recessed end tightening of hexagonal screw in preventing fixing after, drawn the foreign matter such as rubbish to fill recessed end, design has with the recessed end of interior hexagonal and is complementary, with the parallel screw end cap in well lid surface.Well lid base device and road bed, be use with well lid base device reinforcement plate on by the dress hole, members such as the reinforcing bar that is complementary insert by the dress hole as burying part, are connected and fixed with road bed.Being connected and fixed of well lid base device and basis, borehole wall upper end is by the lower margin hole on the outer shroud base anchor that designs on the well lid base device, and correspondence is assemblied in basis, borehole wall upper end and gives the stone bolt that buries, and fixes with nut.

Give stress manhole lid device lip-deep convex network reinforcing rib and well lid garden peripheral frame and cover the spacer screen network and prop up muscle, all intersections connect formed angle, all are designed to the angle, garden.

Give the member of stress manhole lid device, convex network reinforcing rib, special marker, well lid garden peripheral frame, fixedly hole, administrative tag, anti-skidding projection are extracted in Luo hole, first garden, and lid spacer screen network props up muscle; With the member of well lid base device, interior ring assembly stand, fixedly hole, outer shroud base anchor, lower margin hole, reinforcement plate are extracted in Luo hole, second garden; All are the different purposes according to well lid, different plastic alloy materials is selected in different heatproof applied environments and payload values requirement for use, uses extrusion process, integrated compression molding.

Give the fixedly Luo hole on the stress manhole lid device and the thick Luo line in the fixedly Luo hole on the interior ring assembly stand on the well lid base, can before mold pressing, put the insert moulding that forms the Luo line by giving, also can with reinforcement plate on by the dress hole, by the secondary operations moulding.

Giving special marker and administrative tag on the stress manhole lid device, is the purposes of pressing well lid, the title abbreviation of type and application city or unit (or with posting the number encoder digitized representation), heatproof pattern, the age of dispatching from the factory, lot number; Make and to make up the movable of change by foregoing, embed and to give the stress manhole lid device, behind the horizontal tool of garden, garden frame design attitude, and give stress manhole lid device and all objects thereof, integrated compression molding.

The corresponding lid spacer screen network that is provided with of the convex network reinforcing rib on inlet for stom water manhole lid device well lid surface and the lid end props up muscle, is to be M shape to be connected with opposite side and well lid frame four interior angles, and all angles all are designed to the angle, garden.

The strip spilled water hole of inlet for stom water device is design at the convex network reinforcing rib and the lid spacer screen network position, space of propping up muscle of correspondence with it, is rectangle.The pattern administrative tag, design is on the well lid frame.

Inlet for stom water manhole lid device and inlet for stom water well lid underframe are used and are given stress manhole lid device locking and fix with the recessed end holding screw of interior hexagonal.

The purpose of said structure design is: give the member setting of stress manhole lid device; The domed type network of the dicyclo reinforcing rib that winds up and grab radian lid type and well lid surface of well lid surface certain curvature burning degree, and corresponding with it well lid bottom dicyclo arch covers the spacer screen network and props up muscle, unite formation give the stress well lid, can guarantee to give the load impact that the stress lid can bear into different directions, make and give the load pressure that the stress well lid born and all distribute, absorb rapidly, the network reinforcing rib by well lid surface and bottom and prop up a muscle, be transmitted to well lid garden peripheral frame, be scattered in borehole wall basis.

Give that convex network reinforcing rib and well lid garden peripheral frame and lid spacer screen network prop up muscle and inlet for stom water manhole lid device on the stress manhole lid device surface, the convex net white horse with a black mane reinforcing rib on well lid surface, prop up muscle, the M shape reinforcing rib that is, a muscle with the corresponding lid spacer screen network that is provided with in the lid end; All intersect, connect the purpose that formed angle all is designed to the angle, garden and be: avoid stress to concentrate cracking easy with the member demoulding.Two with former casting iron well lid surface are extracted the hole, and built-in the removing of four fixing threaded holes that moves on the peripheral frame of well lid garden can avoid the well lid manufactured materials to produce notch shock, reduces the impact strength of well lid, can also play antitheft effectively effect.

Give the fixedly design of Luo hole and locking device of stress lid arrangement, not only can play antitheft effect, can also avoid plumbing plastic alloy anti-stealing manhole cover proportion casting iron well lid light, and easily cause by the practical problem of vehicle pressure.

Special marker, the design of administrative tag can make things convenient for administrative department and application units, according to different purposes, uses weather conditions, conveniently selects and prevents that non-individual factor from usurping phenomenon.

Because above-mentioned locking device, special marker, the design of administrative tag and manufacture this kind plumbing plastic alloy anti-stealing manhole cover, applied plastic alloy material, be to be added with the intermingling material that iron mud, carbon black, rubber, glass fiber etc. are dosed thing and auxiliary agent, except that the unit of manufacturing can recycle, other industry did not have the refinement of utilization and is worth, therefore, waste and old material purchasing department, will not purchase, so can fundamentally prevent the generation that plumbing plastic alloy anti-stealing manhole cover was stolen and sold, usurped phenomenon.

Because above-mentioned plumbing plastic alloy anti-stealing manhole cover reasonable in design, applied plastic alloy material physical and chemical index can satisfy the weather of water supply and sewage work practical application, withstand voltage physical condition.Make the extrusion process of well lid, can avoid old-fashioned casting iron well lid to be prone to, pore, shrinkage porosite, crackle, burning into sand, fragility spoken parts in traditional operas, defectives such as cold shut.So alternative former casting iron well lid.

Below by two embodiment of the present utility model and accompanying drawing thereof, the utility model is done further detailed description; Accompanying drawing 1 is to give stress manhole lid device structure cross-sectional schematic, accompanying drawing 2 is to give stress manhole lid device surface and the baseplane is overlooked, the semi-section schematic diagram, accompanying drawing 3 is to give stress manhole lid device centre of surface special marker schematic diagram, accompanying drawing 4 is administrative tag schematic diagrames, accompanying drawing 5 is well lid bottom device structure cross-sectional schematic, accompanying drawing 6 is well lid bottom device structure schematic top plan view, accompanying drawing 7 is that locking device node schematic diagram accompanying drawing 8 is inlet for stom water manhole lid device cross-sectional schematic, accompanying drawing 9 is that inlet for stom water manhole lid device surface and bottom are overlooked, partly cut open schematic diagram, accompanying drawing 10 is inlet for stom water well lid base frame construction schematic diagrames, the digitized representation among the figure:

［ 1 ］ gives stress manhole lid device ［ 17 ］ by the dress hole

［ 2 ］ convex network reinforcing rib ［ 18 ］ locking device

［ 3 ］ the recessed end tightening of the interior hexagonal of special marker ［ 19 ］ screw

［ 4 ］ well lid garden peripheral frame ［ 20 ］ screw end cap

［ 5 ］ fixing Luo hole ［ 21 ］ inlet for stom water manhole lid device

［ 6 ］ first garden is extracted hole ［ 22 ］ convex network and is propped up muscle

［ 7 ］ administrative tag ［ 23 ］ lid spacer screen network props up muscle

［ 8 ］ anti-skidding projection ［ 24 ］ well lid frame

［ 9 ］ lid spacer screen network props up fixedly Luo hole of muscle ［ 25 ］

［ 10 ］ soldier's device ［ 26 ］ pattern, administrative tag at the bottom of the well lid

［ 11 ］ ring assembly stand ［ 27 ］ strip spilled water hole in

［ 12 ］ fixing Luo hole ［ 28 ］ inlet for stom water well lid underframe

［ 13 ］ hole ［ 29 ］ framework rim is extracted in second garden

［ 14 ］ the fixing Luo hole of outer shroud base anchor ［ 30 ］

［ 15 ］ lower margin hole ［ 31 ］ framework outer rim

［ 16 ］ reinforcement plate ［ 32 ］ outer rim lower margin hole

Embodiment 1; Accompanying drawing 1, accompanying drawing 2, accompanying drawing 5, member in the accompanying drawing 6, give stress manhole lid device ［ 1 ］ convex network reinforcing rib ［ 2 ］, special marker ［ 3 ］, well lid garden peripheral frame ［ 4 ］, fixedly Luo hole ［ 5 ］, hole ［ 6 ］ is extracted in first garden, administrative tag ［ 7 ］, anti-skidding projection ［ 8 ］, lid spacer screen network props up muscle ［ 9 ］, with well lid base device ［ 10 ］, interior ring assembly stand ［ 11 ］, fixedly Luo hole ［ 12 ］, hole ［ 13 ］ is extracted in second garden, outer shroud base anchor ［ 14 ］, lower margin hole ［ 15 ］, reinforcement plate ［ 16 ］, be to use plastic alloy material, extrusion process, integrated compression molding.

Fixedly Luo hole ［ 5 ］ in the accompanying drawing 1, the fixedly Luo hole ［ 12 ］ in the accompanying drawing 5, thick Luo line and accompanying drawing 5 in by dress hole ［ 17 ］, can before mold pressing, give and put insert moulding, also can use the secondary operations moulding.

Hole ［ 13 ］ is extracted in second garden that extract in hole ［ 6 ］ and the accompanying drawing 5 in first garden in the accompanying drawing 1, is before compression molding, gives and puts insert moulding.

Administrative tag ［ 7 ］ in special marker of accompanying drawing 3 ［ 3 ］ and the accompanying drawing 4, be to be made into the movable flush bonding module that can make up change on demand, before compression molding, stress manhole lid device ［ 1 ］ is given in embedding, design attitude ［ 1 ］ and all members thereof of well lid garden peripheral frame ［ 4 ］, integrated compression molding.

Well lid base device ［ 10 ］ in the accompanying drawing 5 is to use with well lid base device ［ 10 ］, reinforcement plate ［ 16 ］ to go up the members such as reinforcing bar that are complementary by dress hole ［ 17 ］, inserts and presses dress hole ［ 17 ］ as burying part, is connected and fixed with road bed.

Well lid base device ［ 10 ］ is connected with basis, borehole wall upper end, is by the lower margin hole ［ 15 ］ in the accompanying drawing 6, and correspondence is assemblied in basis, borehole wall upper end and gives the stone bolt that buries, and fixes with nut.

The recessed end tightening of interior hexagonal screw ［ 19 ］ in the accompanying drawing 7, be select for use with accompanying drawing 1 in well lid garden peripheral frame ［ 4 ］ on fixedly Luo hole ［ 5 ］ and the well lid base device ［ 10 ］ in the accompanying drawing 5, be with the recessed end tightening of interior hexagonal screw ［ 19 ］, be connected and fixed.For after anti-fixing, draw foreign matter such as rubbish fill in the recessed end cavity of hexagonal, use the screw end cap ［ 20 ］ that is complementary with the recessed end of interior hexagonal, insert in the cavity of the recessed end tightening of hexagonal screw fix, screw end cap ［ 20 ］ upper end face, parallel with well lid garden peripheral frame ［ 4 ］.

Embodiment 2; The Material Used of inlet for stom water manhole lid device ［ 21 ］, manufacture technology is identical with embodiment 1.Different differences are.Inlet for stom water manhole lid device ［ 21 ］ is a rectangle.Convex network reinforcing rib ［ 22 ］ in accompanying drawing 8, the accompanying drawing 9 and lid spacer screen network prop up muscle ［ 23 ］, are to be M shape to be connected with opposite side well lid frame ［ 24 ］, four interior angles, and all angles are the angle, garden.

Strip spilled water hole ［ 27 ］ in the accompanying drawing 9 is to be distributed on to be M shape convex network reinforcing rib ［ 22 ］ and corresponding with it lid spacer screen network props up muscle ［ 23 ］, the position, space, be rectangle.Pattern, administrative tag ［ 26 ］ are arranged on the well lid frame ［ 24 ］.Inlet for stom water manhole lid device ［ 21 ］ and inlet for stom water well lid underframe ［ 28 ］, be with the recessed end tightening of interior hexagonal screw ［ 19 ］, by inlet for stom water manhole lid device ［ 21 ］, Corner Strapped Luo hole ［ 25 ］ on the well lid frame ［ 24 ］, inlet for stom water well lid underframe ［ 28 ］, fixedly Luo hole ［ 30 ］ on the framework rim ［ 29 ］ is connected and fixed.

Basis, inlet for stom water well lid underframe ［ 28 ］ and inlet for stom water borehole wall upper end is by the outer rim lower margin hole ［ 32 ］ on the framework outer rim ［ 31 ］, and correspondence is assemblied in basis, inlet for stom water borehole wall upper end and gives and bury lower margin Luo bolt, is connected and fixed with mother Luo.

Except making water supply and sewage work, the needed various plastic alloy theft-proof well cover for drainages in residential area, can also make other coal gas, telecommunication, power cable, the used well lid of heating pipeline with the utility model. Its performance and existing casting iron well lid relatively have light specific gravity, density is big, does not have sand holes, cold and hot defects i.e.cracks. The hydrophobic protection against the tide, corrosion-resistant. Can bear for a long time the daylight ultraviolet radiation, ageing-resistant. Under limit temperature, ground temperature condition, use and do not produce creeping deformation and cold short phenomenon. Can bear for a long time truck dynamic load, shock resistance. Can effectively prevent from stealing and selling, usurping phenomenon. And cost is low, implements easily. It is more satisfactory alternative casting iron well lid renewal product.

Claims

1, plumbing plastic alloy anti-stealing manhole cover, its primary structure be by: give stress manhole lid device (1) and, convex network reinforcing rib (2), special marker (3), well lid garden peripheral frame (4), fixedly Luo hole (5), first garden are extracted hole (6), administrative tag (7), anti-skidding projection (8), lid spacer screen network and are propped up muscle (9); With well lid base device (10), interior ring assembly stand (11), fixedly Luo hole (12), second garden extract hole (13), outer shroud base anchor (14), lower margin hole (15), reinforcement plate (16), by dress hole (17); And locking device (18), the recessed end tightening of interior hexagonal screw (19), screw end cap (20) wait member to form.It is characterized in that: giving stress manhole lid device (1) and well lid base device (10), is with the recessed end tightening of interior hexagonal screw (19), is connected and fixed.

2, plumbing plastic alloy anti-stealing manhole cover according to claim 1 is characterized in that: well lid base device (10) is by by dress hole (17) and road bed, and lower margin hole (15) and borehole wall basis are connected and fixed.

3, feedwater plastic alloy anti-stealing manhole cover according to claim 1 is characterized in that: give stress manhole lid device (1), convex network reinforcing rib (2), special marker (3), well lid garden peripheral frame (4), fixedly Luo hole (5), first garden are extracted hole (6), administrative tag (7), anti-skidding projection (8), lid spacer screen network and propped up muscle (9); With well lid base device (10), interior ring assembly stand (11), fixedly hole (13), outer shroud base anchor (14), lower margin hole (15), reinforcement plate (16) are extracted in Luo hole (12), second garden, be to use plastic alloy material, extrusion process, integrated compression molding.

4, feedwater plastic alloy anti-stealing manhole cover according to claim 1 is characterized in that: fixedly Luo hole (5), fixedly Luo hole (12) thick Luo line and by dress hole (17), be with the moulding of general utility tool secondary operations.

5, plumbing plastic alloy anti-stealing manhole cover according to claim 1 is characterized in that: special marker (3), administrative tag (7) are to connect to make change capable of being combined movable flush bonding module.

6, plumbing plastic alloy anti-stealing manhole cover according to claim 1, it is characterized in that: the lip-deep convex network of well lid reinforcing rib (2) and well lid garden peripheral frame (4), and cover all intersections that the spacer screen network props up muscle (9), and connect formed angle, be the angle, garden.

7, according to the described plumbing plastic alloy of claim 1 anti-stealing manhole cover, it is characterized in that: the well lid surface of inlet for stom water manhole lid device ［ 21 ］, convex network reinforcing rib ［ 22 ］ and corresponding with ［ 22 ］, lid spacer screen network props up muscle ［ 23 ］, with well lid frame ［ 24 ］, be to be M shape to connect, all angles are the angle, garden.

8, plumbing plastic alloy anti-stealing manhole cover according to claim 1, it is characterized in that: the strip spilled water hole ［ 27 ］ on the rain saliva well lid ［ 21 ］, be to be distributed on convex network reinforcing rib ［ 22 ］ and to cover the position, space that the spacer screen network props up muscle ［ 23 ］, be rectangle.

9, plumbing plastic alloy anti-stealing manhole cover according to claim 1 is characterized in that: the pattern of inlet for stom water manhole lid device ［ 21 ］, administrative tag ［ 26 ］ are arranged on the well lid frame ［ 24 ］.

10, plumbing plastic alloy anti-stealing manhole cover according to claim 1, it is characterized in that: inlet for stom water manhole lid device ［ 21 ］ and inlet for stom water well lid underframe ［ 28 ］, be with the recessed end tightening of interior hexagonal screw ［ 19 ］, screw in the fixedly Luo hole ［ 25 ］ on the well lid frame ［ 24 ］, fixedly Luo hole ［ 30 ］ with on the framework rim ［ 29 ］ is connected and fixed.