CN203905059U - Steel-edged concrete manhole cover - Google Patents
Steel-edged concrete manhole cover Download PDFInfo
- Publication number
- CN203905059U CN203905059U CN201420252581.3U CN201420252581U CN203905059U CN 203905059 U CN203905059 U CN 203905059U CN 201420252581 U CN201420252581 U CN 201420252581U CN 203905059 U CN203905059 U CN 203905059U
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- Prior art keywords
- steel
- cover
- manhole cover
- concrete manhole
- well lid
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- 239000004567 concrete Substances 0.000 title claims abstract description 67
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 180
- 239000010959 steel Substances 0.000 claims abstract description 180
- 239000000835 fiber Substances 0.000 claims abstract description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 18
- 230000001154 acute effect Effects 0.000 claims description 3
- 235000008429 bread Nutrition 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 9
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000002929 anti-fatigue Effects 0.000 description 1
- 230000002742 anti-folding effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000011210 fiber-reinforced concrete Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The utility model provides a steel-edged concrete manhole cover comprising a cover body made of steel fiber and concrete and a steel angle cover. The steel angle cover covers the edge of the upper end face and circumferential face of the cover body; on one hand, the entire strength of the cover body can be improved; on the other hand, compared with the prior art, the steel-edged concrete manhole cover has the advantages that the steel angel cover is unnecessary to cover the lower end face of the cover body, material is saved, cost is reduced, the contact area of the cover and a cover seat is increased, the stress of the edge of the cover is not concentrated, and the service life of the cover is prolonged; the circumferential side wall of the steel angel sleeve is provided with a U-shaped steel plate with the cross section in a U shape, the opening of the U-shaped steel plate faces to the outer wall face of the steel angle sleeve, the edge of the cover body is provided with a through hole matching with the U-shaped steel plate, and the U-shaped steel plate can be mounted in the through hole to form a pry hole. By designing the pry hole, the stress point area is increased when the steel-edged concrete manhole cover is opened, and the steel-edged concrete manhole cover can be opened normally.
Description
Technical field
The utility model relates to well lid field, more specifically, relates to a kind of steel limit concrete manhole cover.
Background technology
In prior art, in order to meet the requirement of well lid at aspects such as tension, anti-folding, shock resistance and antifatigues, and avoid easy loss, high cost shortcoming, conventionally use steel limit mixed-fiber reinforced concrete well lid, this well lid in use, open difficulty, and cost is high.
In order to make the installation and removal of above-mentioned well lid convenient, in prior art, there is a kind of steel limit fabric reinforcement concrete manhole cover with sled hole, can be by sled hole open manhole cover, but this sled hole is in actual use due to the reason of steel limit structure, in the time opening, well lid stress point is the upper plane on steel limit, easily causes plane and facade junction on steel limit to snap, and cannot reach unlatching effect; And its steel limit structure is that the edge of the lower surface of well lid main body is also wrapped, the in the situation that of too short on steel limit, can reduce the contact area of well lid and bearing, make the edge of well lid stressed more concentrated, thereby affected the application life of well lid.
Therefore, design a kind of well lid, increase well lid stress point area, not only met that to open simple and convenient but also reasonable stress be the problem of needing solution badly.
Utility model content
The utility model is intended at least solve one of technical problem existing in prior art.
For this reason, the utility model provides a kind of steel limit concrete manhole cover, increase steel limit concrete manhole cover stress point area, steel limit concrete manhole cover is normally opened, and open simple and convenient, in meeting instructions for use, saving material, the application life of reducing manufacturing cost and having improved this steel limit concrete manhole cover.
For achieving the above object, the embodiment of an aspect of the utility model provides a kind of steel limit concrete manhole cover, comprise: the well lid main body of being made by steel fibre and concrete and angle steel cover, described angle steel cover is wrapped on the edge of upper surface of described well lid main body and on circumferential surface; On the circumferential sidewall of described angle steel cover, be provided with the U-shaped steel plate that cross section is " U " shape, the opening of described U-shaped steel plate is towards the outside wall surface of described angle steel cover, on the edge of described well lid main body, be provided with the through hole matching with described U-shaped steel plate, described U-shaped steel plate can be installed in described through hole, forms sled hole.
In the technical scheme that the utility model provides, through hole in U-shaped steel plate and well lid main body forms sled hole, in the time that steel limit concrete manhole cover need to be opened, only crowbar need be extended to concrete manhole cover bottom, steel limit in sled hole, utilize lever principle that steel limit concrete manhole cover is levered up, the design in this sled hole has increased the area of steel limit concrete manhole cover stress point in the time opening, and has ensured that steel limit concrete manhole cover can normally open; And angle steel cover is wrapped on the edge of upper surface of well lid main body and on circumferential surface, can improve on the one hand the intensity of well lid entirety, on the other hand, compared with conventional art, the angle steel cover of this steel limit concrete manhole cover is without the lower surface of parcel well lid main body, saves material, when reducing costs, can increase the contact area of well lid and well lid bearing, make the stressed of well lid edge can be too unconcentrated, improve the application life of well lid.
In addition, the steel limit concrete manhole cover in above-described embodiment that the utility model provides can also have following additional technical feature:
According to an embodiment of the present utility model, described angle steel cover comprises: the steel wall of columniform hollow and the steel face of discoidal hollow; One end of described steel wall is connected with the outline of described steel face, and described steel wall is wrapped on the circumferential surface of described well lid main body, and described steel bread is rolled on the edge of upper surface of described well lid main body.
According to an embodiment of the present utility model, the shape of described through hole is identical with the shape of described U-shaped steel plate, and the internal face of the two side of described U-shaped steel plate and curved portions and described through hole fits.
According to an embodiment of the present utility model, described U-shaped steel plate comprises: two straight plate and arcs, described in two, straight plate is shaped as identical quadrangle, and described in two, on straight plate, be acute angle near the described angle steel cover limit at center and the angle on base, described in two, on straight plate, be fixedly connected with the both sides of described arc respectively near the limit at described angle steel cover center.
According to an embodiment of the present utility model, in described well lid main body, be provided with two holes for hoist, the back side is provided with multiple reinforcing ribs.
According to an embodiment of the present utility model, one end of multiple described reinforcing ribs intersects at a point and is radial and is uniformly distributed, and described intersection point forms a round boss.
According to an embodiment of the present utility model, the bottom of described well lid main body is provided with six reinforcing ribs.
According to an embodiment of the present utility model, described U-shaped steel plate be arranged at adjacent two described between reinforcing rib.
According to an embodiment of the present utility model, described U-shaped steel plate and described angle steel cover are integral type structure.
According to an embodiment of the present utility model, described U-shaped steel plate and described angle steel cover are one-body molded.
Additional aspect of the present utility model and advantage will become in description part below obviously, or recognize by practice of the present utility model.
Brief description of the drawings
Above-mentioned and/or additional aspect of the present utility model and advantage accompanying drawing below combination is understood becoming the description of embodiment obviously and easily, wherein:
Fig. 1 is installed on the structural representation on well lid bearing according to steel limit concrete manhole cover described in embodiment of the utility model;
Fig. 2 is the plan structure schematic diagram of the described steel limit concrete manhole cover shown in Fig. 1;
Fig. 3 is the structural representation of looking up of the described steel limit concrete manhole cover shown in Fig. 1;
Fig. 4 is the sectional structure schematic diagram of the A-A face of the described steel limit concrete manhole cover shown in Fig. 2;
Fig. 5 is the sectional structure schematic diagram of the B-B face of the described steel limit concrete manhole cover shown in Fig. 2;
Fig. 6 is the perspective view of the described angle steel cover in the described steel limit concrete manhole cover shown in Fig. 1.
Wherein, in Fig. 1 to Fig. 6, the corresponding relation between Reference numeral and component names is:
1 angle steel cover, 11U shape steel plate, 12 steel walls, 13 steel faces, 2 well lid main bodys, 21 through holes, 22 holes for hoist, 23 reinforcing ribs, 24 round boss, 3 sled holes, 4 well lid bearings.
Detailed description of the invention
In order more clearly to understand above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with the drawings and specific embodiments, the utility model is further described in detail.It should be noted that, in the situation that not conflicting, the feature in the application's embodiment and embodiment can combine mutually.
A lot of details are set forth in the following description so that fully understand the utility model; but; the utility model can also adopt other to be different from mode described here and implement, and therefore, protection domain of the present utility model is not subject to the restriction of following public specific embodiment.
As shown in Figures 1 to 5, a kind of steel limit concrete manhole cover providing according to some embodiment of the utility model, comprise: the well lid main body 2 of being made by steel fibre and concrete and angle steel cover 1, described angle steel cover 1 is wrapped on the edge of upper surface of described well lid main body 2 and on circumferential surface; On the circumferential sidewall of described angle steel cover 1, be provided with the U-shaped steel plate 11 that cross section is " U " shape, the opening of described U-shaped steel plate 11 is towards the outside wall surface of described angle steel cover 1, on the edge of described well lid main body 2, be provided with the through hole 21 matching with described U-shaped steel plate 11, described U-shaped steel plate 11 can be installed in described through hole 21, forms sled hole 3.
In the technical scheme that the utility model provides, through hole in U-shaped steel plate and well lid main body forms sled hole, in the time that steel limit concrete manhole cover need to be opened, only crowbar need be extended to concrete manhole cover bottom, steel limit in sled hole, utilize lever principle that steel limit concrete manhole cover is levered up, the design in this sled hole has increased the area of steel limit concrete manhole cover stress point in the time opening, and has ensured that steel limit concrete manhole cover can normally open; And angle steel cover is wrapped on the edge of upper surface of well lid main body and on circumferential surface, can improve on the one hand the intensity of well lid entirety, on the other hand, compared with conventional art, the angle steel cover of this steel limit concrete manhole cover is without the lower surface of parcel well lid main body, saves material, when reducing costs, can increase the contact area of well lid and well lid bearing 4, make the stressed of well lid edge can be too unconcentrated, improve the application life of well lid.
Particularly, described angle steel cover 1 comprises: the steel wall 12 of columniform hollow and the steel face 13 of discoidal hollow; One end of described steel wall 12 is connected with the outline of described steel face 13, and described steel wall 12 is wrapped on the circumferential surface of described well lid main body 2, described steel face 13 is wrapped on the edge of upper surface of described well lid main body 2, described steel wall 12 and the angle of described steel face 13 are greater than 0 ° and be less than 180 °, and described steel wall 12 is 90 ° with the angle of described steel face 13 in the present embodiment.
Can improve on the one hand the intensity of well lid entirety, on the other hand, compared with conventional art, the angle steel cover of this steel limit concrete manhole cover is without the lower surface of parcel well lid main body, save material, when reducing costs, can increase the contact area of well lid and well lid bearing 4, make the stressed of well lid edge can be too unconcentrated, improve the application life of well lid.
Particularly, the shape of described through hole 21 is identical with the shape of described U-shaped steel plate 11, and the internal face of the two side of described U-shaped steel plate 11 and curved portions and described through hole 21 fits.
Particularly, described U-shaped steel plate 11 comprises: two straight plate and arcs, described in two, straight plate is shaped as identical quadrangle, and described in two, on straight plate, overlap the limit at 1 center with the angle on base is acute angle near described angle steel, the limit that described in two, on straight plate, close described angle steel overlaps 1 center is fixedly connected with the both sides of described arc respectively.
Two straight plates of U-shaped steel plate are designed to identical quadrangle, the both sides of arc are connected near the limit at described angle steel cover center respectively with on two straight plates, make the U-shaped steel plate entirety face tilt of supporting or opposing from the front of steel limit concrete manhole cover, thereby make through hole in the well lid main body face tilt of also supporting or opposing from the front of steel limit concrete manhole cover, form thus the sled hole with certain angle of inclination, like this, ensured that crowbar more easily deeply prizes Nei Jianggang limit, hole concrete manhole cover and open; In the present embodiment, the angle of preferably prizing hole and ground is 56 °.
Certainly, be provided with two holes for hoist 22 in described well lid main body 2, the back side is provided with multiple reinforcing ribs 23.
The design of hole for hoist, is convenient to installation and the movement of steel limit concrete manhole cover, reinforcing rib the working strength that has ensured steel limit concrete manhole cover is set.
Particularly, one end of multiple described reinforcing ribs 23 intersects at a point and is radial and is uniformly distributed, and described intersection point forms a round boss 24.
The arrangement of multiple reinforcing ribs, has alleviated the weight of steel limit concrete manhole cover entirety, has reduced the use amount of reinforcement material, has reduced the manufacturing cost of steel limit concrete manhole cover.
It should be noted that, the bottom of described well lid main body 2 is provided with six reinforcing ribs 23.
In the present embodiment, well lid bottom part body arranges six reinforcing ribs and can meet the overall working strength of steel limit concrete manhole cover.
In an embodiment of the present utility model, described U-shaped steel plate 11 be arranged at adjacent two described between reinforcing rib 23.
Sled hole is arranged between two adjacent reinforcing ribs, has avoided sled hole to be arranged on reinforcing rib and to cause steel limit concrete manhole cover bulk strength inadequate, the unbalanced phenomenon of center of gravity occurs, and has ensured the practicality of steel limit concrete manhole cover.
In above-mentioned arbitrary embodiment, preferably, it is 1 integrally welded that U-shaped steel plate 11 and angle steel overlap.
U-shaped steel plate and angle steel cover are integrally welded, and this connected mode is reliable, in the time that U-shaped steel plate damages, only need to change U-shaped steel plate, have saved the cost that one is changed.
Or preferably, it is 1 one-body molded that U-shaped steel plate 11 and angle steel overlap.
U-shaped steel plate and angle steel cover are one-body molded, and mechanical property is good, can be mass, and has saved cost, are convenient to change.
Certainly, U-shaped steel plate 11 can also be connected by other means with angle steel cover 1, only need meet instructions for use.
In sum, the utility model provides a kind of steel limit concrete manhole cover, in this steel limit concrete manhole cover, through hole in U-shaped steel plate and well lid main body forms sled hole, in the time that steel limit concrete manhole cover need to be opened, only crowbar need be extended to concrete manhole cover bottom, steel limit in sled hole, utilize lever principle that steel limit concrete manhole cover is levered up, the design in this sled hole has increased the area of steel limit concrete manhole cover stress point in the time opening, and has ensured that steel limit concrete manhole cover can normally open; And angle steel cover is wrapped on the edge of upper surface of well lid main body and on circumferential surface, can improve on the one hand the intensity of well lid entirety, on the other hand, compared with conventional art, the angle steel cover of this steel limit concrete manhole cover is without the lower surface of parcel well lid main body, saves material, when reducing costs, can increase the contact area of well lid and well lid bearing, make the stressed of well lid edge can be too unconcentrated, improve the application life of well lid.
In description of the present utility model, if occur, term " installation ", " being connected ", " connection ", " fixing " etc. all should be interpreted broadly, and for example, " connection " can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; " being connected " can be to be directly connected, and also can indirectly be connected by intermediary.For the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term in the utility model.
In the description of this manual, if occur, the description of term " embodiment ", " some embodiment ", " specific embodiment " etc. means to be contained at least one embodiment of the present utility model or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And specific features, structure, material or the feature of description can be with suitable mode combination in any one or more embodiment or example.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. a steel limit concrete manhole cover, comprising: the well lid main body of being made by steel fibre and concrete and angle steel cover, it is characterized in that,
Described angle steel cover is wrapped on the edge of upper surface of described well lid main body and on circumferential surface;
On the circumferential sidewall of described angle steel cover, be provided with the U-shaped steel plate that cross section is " U " shape, the opening of described U-shaped steel plate is towards the outside wall surface of described angle steel cover, on the edge of described well lid main body, be provided with the through hole matching with described U-shaped steel plate, described U-shaped steel plate can be installed in described through hole, forms sled hole.
2. steel according to claim 1 limit concrete manhole cover, is characterized in that,
Described angle steel cover comprises: the steel wall of columniform hollow and the steel face of discoidal hollow;
One end of described steel wall is connected with the outline of described steel face, and described steel wall is wrapped on the circumferential surface of described well lid main body, and described steel bread is rolled on the edge of upper surface of described well lid main body.
3. steel according to claim 2 limit concrete manhole cover, is characterized in that,
The shape of described through hole is identical with the shape of described U-shaped steel plate, and the internal face of the two side of described U-shaped steel plate and curved portions and described through hole fits.
4. steel according to claim 3 limit concrete manhole cover, is characterized in that,
Described U-shaped steel plate comprises: two straight plate and arcs, described in two, straight plate is shaped as identical quadrangle, and described in two, on straight plate, be acute angle near the described angle steel cover limit at center and the angle on base, described in two, on straight plate, be fixedly connected with the both sides of described arc respectively near the limit at described angle steel cover center.
5. steel according to claim 4 limit concrete manhole cover, is characterized in that,
In described well lid main body, be provided with two holes for hoist, the back side is provided with multiple reinforcing ribs.
6. steel according to claim 5 limit concrete manhole cover, is characterized in that,
One end of multiple described reinforcing ribs intersects at a point and is radial and is uniformly distributed, and described intersection point forms a round boss.
7. steel according to claim 6 limit concrete manhole cover, is characterized in that,
The bottom of described well lid main body is provided with six reinforcing ribs.
8. steel according to claim 7 limit concrete manhole cover, is characterized in that,
Described U-shaped steel plate be arranged at adjacent two described between reinforcing rib.
9. according to the steel limit concrete manhole cover described in any one in claim 3 to 8, it is characterized in that,
Described U-shaped steel plate and described angle steel cover are integral type structure.
10. according to the steel limit concrete manhole cover described in any one in claim 3 to 8, it is characterized in that,
Described U-shaped steel plate and described angle steel cover are one-body molded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420252581.3U CN203905059U (en) | 2014-05-16 | 2014-05-16 | Steel-edged concrete manhole cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420252581.3U CN203905059U (en) | 2014-05-16 | 2014-05-16 | Steel-edged concrete manhole cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203905059U true CN203905059U (en) | 2014-10-29 |
Family
ID=51779350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420252581.3U Expired - Lifetime CN203905059U (en) | 2014-05-16 | 2014-05-16 | Steel-edged concrete manhole cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203905059U (en) |
-
2014
- 2014-05-16 CN CN201420252581.3U patent/CN203905059U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 072550, Hebei, Baoding province Xushui County town of high Lin Ho Village Patentee after: Baoding Huaguang municipal building materials Co.,Ltd. Address before: 072550, Hebei, Baoding province Xushui County town of high Lin Ho Village Patentee before: XUSHUI HUAGUANG MUNICIPAL CONSTRUCTION MATERIALS Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141029 |
|
| CX01 | Expiry of patent term |