CN2714631Y - Fiberglass-reinforced plastics detritus-tank cover - Google Patents
Fiberglass-reinforced plastics detritus-tank cover Download PDFInfo
- Publication number
- CN2714631Y CN2714631Y CN 200420037338 CN200420037338U CN2714631Y CN 2714631 Y CN2714631 Y CN 2714631Y CN 200420037338 CN200420037338 CN 200420037338 CN 200420037338 U CN200420037338 U CN 200420037338U CN 2714631 Y CN2714631 Y CN 2714631Y
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- China
- Prior art keywords
- lid
- inspection shaft
- fiberglass
- groove
- reinforced plastic
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- Expired - Fee Related
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Abstract
The utility model discloses a fiberglass-reinforced plastic manhole cover comprising a cover body. The cover body is made of glass fiber reinforced plastics. The manhole cover made of the fiberglass-reinforced plastics is characterized in that the inner side of the edge of the cover body is provided with a flute. The depth of the flute is smaller than the height of the cover body, a lifting rope spans the flute, and both ends of the lifting rope are embedded in the cover body. The manhole cover made of the fiberglass-reinforced plastics is provided with a manhole cover having the dust-proof and water-resistant functions. In addition, since the fiberglass-reinforced plastic materials do not have the regenerative utility value, the manhole covers made of the fiberglass-reinforced plastic materials also can indirectly have the anti-theft function. Therefore, the manhole cover made of the fiberglass-reinforced plastics can avoid the lost of the manhole covers and the casualties of traffic and people caused by the lost of the manhole covers.
Description
Technical field
The utility model is relevant with municipal facilities, relates to a kind of pipeline such as feedwater, draining, fire-fighting or power cable of covering and checks and inspection shaft lid on the well head relate in particular to a kind of glass fiber reinforced plastic inspection shaft lid.
Background technology
At present, the employed inspection shaft lid of municipal engineering is except that minority employing concrete is made, and all the other are almost Cast Iron Products, and country is annual will to consume a large amount of cast iron for this reason; Simultaneously, a large amount of of inspection shaft lid have things stolen, and have also brought loss to national wealth, have especially brought many hidden danger and threat to traffic and personal safety.The inspection shaft of being made by concrete covers its intensity and can't substitute Cast Iron Products, and is not only heavy also easy to crack, and it is very inconvenient to use.For this reason, people cover the burglar-proof mechanism of having set up various structures at the cast iron inspection shaft, though aspect antitheft, played certain effect, make simultaneously the inspection shaft lid processing, manufacturing and install complicatedly, also therefore increased cost.
The application development in recent years of glass-reinforced plastic material is very rapid, because its many machineries, physical property even be higher than cast iron, not only intensity height, good pressure-resistant performance, not yielding, be difficult for the crack, also have good heat resistance and freexing tolerance and ageing-resistant performance, in addition, because it is the composite material of chemical products, therefore the resource abundance has a good application prospect.Application number is the application for a patent for invention of 93115295.X, a kind of inspection shaft lid and manufacture method of being made by glass fiber reinforced plastic thereof disclosed, but its main purpose is to seek a kind of substitute of cast iron inspection shaft lid, and the structure that its inspection shaft lid is especially gone up well lid is substantially still continued to use traditional cast iron inspection shaft cover mold formula.
The superstructure of existing cast iron inspection shaft lid mostly is that inboard radial symmetric is provided with a through hole at its edge, is convenient to the unlatching of well lid when the facility of down-hole is safeguarded.Yet, setting just because of these two through holes, make in the inspection shaft not only water inlet easily but also advance dust and impurity easily, when the down-hole lay be power cable the time, be unfavorable for the maintenance of power cable operation, simultaneously, dust that accumulates over a long period and water are to corrosion that cable causes, shortened the application life of cable greatly, certainly will cause the waste on state's financial capacity, the manpower.
Summary of the invention
For overcoming the deficiency of the lid of inspection shaft in prior art structure, it is a kind of with nonmetals-possess when being made by the glass fiber reinforced plastic inspection shaft lid of dustproof and waterproof function that the utility model provides.In addition, owing to glass-reinforced plastic material has regeneration value, the inspection shaft of therefore making thus lid also can play antitheft effect indirectly, to avoid losing and so and the traffic and the personnel casualty accidents of initiation of well lid.
The technical scheme that its technical problem that solves the utility model adopts:
A kind of glass fiber reinforced plastic inspection shaft lid comprises lid, and described lid is made by glass fiber reinforced plastic, it is characterized in that, inboard, described lid edge is provided with groove, and the degree of depth of described groove is less than the height of described lid, and one carries rope is embedded in the described lid across described groove and two ends.
Preferably, described lid is circular, and described lid upper edge is provided with two grooves radially symmetrically.
Preferably, described lid is provided with plural described groove.
Preferably, described groove cross section is a rectangle.
Preferably, described groove cross section is a U-shaped.
Preferably, the described rope of carrying is made by stainless steel round steel material.
Preferably, described lid is combined by screw by an outer cover and interior lid.
Preferably, described lid is made into integration.
Preferably, the degree of depth of described groove is 70% of a described lid height.
Compared with prior art, the utlity model has following beneficial effect:
1, because the utility model lid is made by glass fiber reinforced plastic, in light weight, pollution-free, nothing is recycled and is worth, and can play antitheft effect indirectly.
2, because the utility model lid does not have to be provided with the hole that runs through lid thickness, thereby stopped water and dust and entering of impurity effectively and corroded cable, influence cable security of operation and application life thereof, to the purifying city environment, ensure traffic and personal safety, economizing on resources all is significant.Therefore, the utility model can be widely used in the manhole or tunnel of industries such as municipal engineering, residential neighborhoods, coal gas, communication, plumbing, fire-fighting.
3, after testing, of the present utility model shockproof, anti-jump and anti-wear performance is good, its serviceability temperature scope can reach-20 ℃～60 ℃, and satisfied similar municipal administration fully and establish the designing requirement that engineering is executed greater than 30 years application life.
Description of drawings
Fig. 1 covers the structural representation on surface for the utility model inspection shaft;
Fig. 2 be among Fig. 1 A-A to structural representation;
Fig. 3 be among Fig. 1 B-B to structural representation;
Fig. 4 is the local structure for amplifying schematic diagram of C portion among Fig. 2.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is described in further detail.
A kind of inspection shaft lid is as shown in Figure 1 made by glass-reinforced plastic material, comprises a lid 1.Be provided with two grooves 2 symmetrically in inboard, lid 1 edge.Among the embodiment as shown in the figure, rounded because of lid, these two grooves 2 are disposed radially symmetrically.Referring to Fig. 2, shown in 3 and 4, the degree of depth of this groove 2 generally can be made as 70% of lid thickness less than the thickness of lid particularly.In the position of each groove 2, respectively carry rope 3 and be embedded with in the lid across groove 2 and its two ends.In the time of need moving the inspection shaft lid, instrument one end can be inserted groove 2 and hooks round steel, so just the inspection shaft lid can be lifted from the inspection shaft mouth.This carries rope and can adopt and known in the artly have sufficient intensity and wear-resistant, corrosion-resistant material is made, as stainless steel round steel material or well lid bulk material.Though in the present embodiment, be provided with two grooves symmetrically along inboard, lid edge, yet, also can only be provided with as required a groove (when the inspection shaft capping long-pending hour), perhaps also can be provided with plural groove (when the inspection shaft capping long-pending when big).In addition, as shown in the figure, the cross section of groove 2 can be rectangular; Certainly, groove 2 cross sectional shapes also can be processed into " U " shape or other and can be convenient to the shape that instrument inserts.
In addition, lid can be an integral type, also can by well lid in constitute by the outer well lid that a set bolt is connected with it.That the shape of lid can be made for according to the situation of job site is square, oval, rectangle etc.
Because said structure is not provided with the hole that runs through lid thickness on the lid, thereby, fundamentally stopped entering of extraneous rainwater or dust and impurity etc., make the facility in the well obtain effective protection.
Claims (10)
1, a kind of glass fiber reinforced plastic inspection shaft lid, comprise lid (1), described lid is made by glass fiber reinforced plastic, it is characterized in that, described lid (1) inboard, edge is provided with groove (2), the degree of depth of described groove (2) is less than the thickness of described lid (2), and one carries rope (3) is embedded in the described lid (1) across described groove (2) and two ends.
2. inspection shaft lid as claimed in claim 1 is characterized in that described lid is circular, is provided with two described grooves (2) radially symmetrically along described lid (1).
3. inspection shaft lid as claimed in claim 1 is characterized in that described lid (1) is provided with plural described groove (2).
4. inspection shaft lid as claimed in claim 1 is characterized in that described groove (2) cross section is a rectangle.
5. inspection shaft lid as claimed in claim 1 is characterized in that described groove (2) cross section is a U-shaped.
6. inspection shaft lid as claimed in claim 1 is characterized in that the described rope (3) of carrying is made by stainless steel round steel material.
7. inspection shaft lid as claimed in claim 1 is characterized in that described lid (1) is combined by screw by an outer cover and interior lid.
8. inspection shaft lid as claimed in claim 1 is characterized in that described lid (1) is made into integration.
9. inspection shaft lid as claimed in claim 1 is characterized in that, the degree of depth of described groove (2) is 70% of described lid (a 1) height.
10. inspection shaft lid as claimed in claim 1 is characterized in that described lid is square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420037338 CN2714631Y (en) | 2004-07-08 | 2004-07-08 | Fiberglass-reinforced plastics detritus-tank cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420037338 CN2714631Y (en) | 2004-07-08 | 2004-07-08 | Fiberglass-reinforced plastics detritus-tank cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2714631Y true CN2714631Y (en) | 2005-08-03 |
Family
ID=34871663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420037338 Expired - Fee Related CN2714631Y (en) | 2004-07-08 | 2004-07-08 | Fiberglass-reinforced plastics detritus-tank cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2714631Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101839000A (en) * | 2010-06-03 | 2010-09-22 | 周佰兴 | Lifting clamber type well cover |
| CN107227754A (en) * | 2016-03-23 | 2017-10-03 | 中国石油化工股份有限公司 | Wear river tunnel shaft light cover plate |
-
2004
- 2004-07-08 CN CN 200420037338 patent/CN2714631Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101839000A (en) * | 2010-06-03 | 2010-09-22 | 周佰兴 | Lifting clamber type well cover |
| CN107227754A (en) * | 2016-03-23 | 2017-10-03 | 中国石油化工股份有限公司 | Wear river tunnel shaft light cover plate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050803 Termination date: 20110708 |