CN203403435U - Bearing protective cover for anti falling device of inspection well - Google Patents
Bearing protective cover for anti falling device of inspection well Download PDFInfo
- Publication number
- CN203403435U CN203403435U CN201320375024.6U CN201320375024U CN203403435U CN 203403435 U CN203403435 U CN 203403435U CN 201320375024 U CN201320375024 U CN 201320375024U CN 203403435 U CN203403435 U CN 203403435U
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- China
- Prior art keywords
- protective cover
- bearing protective
- load
- bearing
- inspection shaft
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- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a bearing protective cover for an anti falling device of an inspection well. The bearing protective cover is circular; a circular edge part of the bearing protective cover is provided with a convex edge member which is corresponding to a supporting plane and is arranged on the supporting plane; the circular edge part of the bearing protective cover is also provided with a notch member which is corresponding to an accommodating groove and is used to separate the bearing protective cover from a protective cover support frame; and the bearing protective cover is provided with drain holes which are divergent from the center of the cover to all around. The bearing protective cover for the anti falling device of the inspection well is simple in structure, long in service life, and excellent in bearing performance, and can be corrosion-resistant and oxidation-resistant for a long time in the wet and muddy atmosphere.
Description
Technical field
The utility model relates to anti-drop device load-bearing protective cover for a kind of inspection shaft, prevents that pedestrian or object from crashing into well from catch pit port.
Background technology
Inspection shaft is the turning, the branch that are used in drainage pipe, fall etc. locates, so that check, the well of dredging use, formal name used at school is in manhole.In like manner, be embedded in underground telecommunication cable manhole, power cable manhole, is also inspection shaft.
The well head of inspection shaft is all provided with inspection well cover, and existing inspection well cover adopts cast iron to make mostly, because material has to recycle, is worth, and often stolen, loss situation is serious.In addition, when running into continuous heavy rain, cause urban road when immersion, people's custom is opened inspection well cover to accelerate draining, loses the import of inspection well cover, and pedestrian or object that ground occurs often crash into the accident in inspection shaft, cause loss of personal property.
Chinese patent mandate publication number CN 2718072Y discloses a kind of Antifalling down net for manhole, comprises well seat, has the soft string bag being connected with well seat, and this structure energy advantage is: in the situation that inspection well cover is lost, it can prevent that pedestrian or object from crashing in well effectively; In the time that need to meeting an urgent need draining when urban road immersion, even if open well lid, also can prevent that pedestrian or larger object from crashing in well.But owing to being subject to the restriction of the material of the soft string bag own, the in the situation that of long-time use, there is the phenomenon of being polluted by Sewage Environment in the soft string bag.
Existing inspection shaft also has with anti-drop device the load-bearing lid formula of adopting, but also exist can further improved place for its structure.
Utility model content
For the problems referred to above, the utility model provides anti-drop device load-bearing protective cover for a kind of inspection shaft, to solve the problems of the prior art.
To achieve these goals, the technical solution of the utility model is as follows:
Anti-drop device load-bearing protective cover for inspection shaft, it is characterized in that, it is shaped as circle, the peripheral portion of described load-bearing protective cover is provided with corresponding with supporting plane in order to be overlapped on the convex edge on supporting plane, the peripheral portion of load-bearing protective cover is also provided with corresponding with holding tank so that the notch part that load-bearing protective cover and protective cover bracing frame are separated is provided with weep hole on load-bearing protective cover.
In the utility model, information identifier region is left in the center of load-bearing protective cover.
In the utility model, described load-bearing protective cover is to adopt to have increased the load-bearing protective cover that the reinforced plastics of glass fiber is made.
Further, described weep hole is circular in configuration trapezoidal hole that arrange and that be the outside divergence expression structure of ring by ring.Described weep hole is square hole.Described weep hole is diamond hole.Described weep hole is tri-angle-holed.
The utility model is simple in structure, long service life, can be in moist, muddy atmosphere corrosion-resistant, resistance to oxidation for a long time, and load-bearing property is good.
Feature of the present utility model can be consulted the detailed description of the graphic and following better embodiment of this case and be obtained and be well understood to.
Accompanying drawing explanation
Fig. 1 is that the utility model inspection shaft is used the schematic diagram of load-bearing protective cover with anti-drop device.
Fig. 2 is that the utility model is applied to the schematic diagram in anti-drop device for inspection shaft.
Fig. 3 is the schematic diagram of protective cover bracing frame.
The specific embodiment
For technological means, creation characteristic that the utility model is realized, reach object and effect is easy to understand, below in conjunction with specific embodiment, further set forth the utility model.
Referring to Fig. 1,2 and 3, anti-drop device load-bearing protective cover for a kind of inspection shaft, comprises that load-bearing protective cover 100 and three protective cover bracing frame 200(can be also that other are a plurality of).Load-bearing protective cover 100 and protective cover bracing frame 200 all adopt the reinforced plastics that has increased glass fiber, and its maximum feature is that hot strength is high, and shock resistance is good.Tensile strength is under ISO527-1 standard > 100MPa, simply supported beam unnotched impact strength is under ISO 179-1 mark > 25Mpa, its corrosion resistance is also suitable excellence, can be in moist, muddy atmosphere corrosion-resistant, resistance to oxidation etc. for a long time.
Load-bearing protective cover 100 is for preventing that people or object from crashing in inspection shaft, the outer contour shape of load-bearing protective cover 100 is circular, on load-bearing protective cover, be provided with weep hole 110, in the present embodiment, weep hole 110 is circular in configuration trapezoidal hole that arrange and that be the outside divergence expression structure of ring by ring.Certainly, weep hole can be also square hole, diamond hole or tri-angle-holed etc.The peripheral portion of load-bearing protective cover is provided with convex edge 120 and notch part 130.Information identifier region is left in the center of load-bearing protective cover 100, and the much informations such as statement region, maintenance telephone number, are convenient to pinpoint the problems in time and manage like this.
Protective cover bracing frame 200 is arranged on load-bearing protective cover periphery in order to support load-bearing protective cover 100.On the outer wall of protective cover bracing frame, be provided with seal.The middle part of protective cover bracing frame 200 is provided with bolt connecting hole 210, between protective cover bracing frame and catch pit port inwall, by expandable nail, is connected.In the present embodiment, expandable nail is the inner plastic expansion nail that is embedded with metallic framework, and one end of expandable nail is taper pawl structure, is connected with catch pit port inwall, by knocking, squeezes into catch pit port inwall, and strikes tighter and tighter in case anti-avulsion falls.The other end of expandable nail is countersunk head structure, knocks in the counter sink of protective cover bracing frame, in order to avoid affect regular maintenance.Three equidistant circumference of protective cover bracing frame 200 are fixedly connected on catch pit port inwall.The inner side of protective cover bracing frame is provided with the holding tank 220 with a supporting plane 221, and one end of holding tank is openend, and the other end of holding tank is provided with position block 240.Supporting plane 221 takes into full account well head tolerance, meets and to cause the instructions for use under inspection shaft bore different situations because of construction error.The convex edge 120 of load-bearing protective cover is corresponding with the supporting plane 221 of holding tank, in order to be overlapped on this supporting plane; The notch part 130 of load-bearing protective cover is corresponding with holding tank, so that realize load-bearing protective cover and protective cover bracing frame separately.
The bottom of protective cover bracing frame is provided with triangle and strengthens brace rod 230.
Answer >=200kg of the static bearing capacity of the utility model, answer >=100kg of shock-resistant bearing capacity.
The utility model mounting or dismounting are convenient, can meet the bimonthly maintenance test of inspection shaft device completely, and operation is more light when increasing work efficiency.In the Inspection and maintenance of 2 times monthly, dismounting simple operations is easily gone.Operating personnel's angle that do not need to bend is greater than 45 °, just can carry out safely dismounting load-bearing protective cover.
Install: with 6 expandable nails, three protective cover bracing frames are fixed on catch pit port inwall, and are positioned in same level, then load-bearing protective cover is put, and rotation is to clamping.When catch pit port is of a size of 640mm, being fitted to each other place's width minimum, is 20mm, can meet impact force requirement.
Make special-purpose regular maintenance dismantling device, this instrument is comprised of light metal material, and a design curved metal claw of Flat belt in termination is used for mobile plastic safety lid, and an other side arranges a hook, is used for tension or draw loose safety head.
More than show and described basic principle of the present utility model, principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what in above-described embodiment and manual, describe is principle of the present utility model; under the prerequisite that does not depart from the utility model spirit and scope, the utility model also has various changes and modifications, and these changes and improvements all fall in claimed scope of the present utility model.The protection domain that the utility model requires is defined by appending claims and equivalent thereof.
Claims (6)
1. anti-drop device load-bearing protective cover for inspection shaft, it is characterized in that, it is shaped as circle, the peripheral portion of described load-bearing protective cover is provided with corresponding with supporting plane in order to be overlapped on the convex edge on supporting plane, the peripheral portion of load-bearing protective cover is also provided with corresponding with holding tank so that the notch part that load-bearing protective cover and protective cover bracing frame are separated is provided with weep hole on load-bearing protective cover.
2. anti-drop device load-bearing protective cover for inspection shaft according to claim 1, is characterized in that, information identifier region is left in the center of load-bearing protective cover.
3. anti-drop device load-bearing protective cover for inspection shaft according to claim 1, is characterized in that, described weep hole is circular in configuration trapezoidal hole that arrange and that be the outside divergence expression structure of ring by ring.
4. anti-drop device load-bearing protective cover for inspection shaft according to claim 1, is characterized in that, described weep hole is square hole.
5. anti-drop device load-bearing protective cover for inspection shaft according to claim 1, is characterized in that, described weep hole is diamond hole.
6. anti-drop device load-bearing protective cover for inspection shaft according to claim 1, is characterized in that, described weep hole is tri-angle-holed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320375024.6U CN203403435U (en) | 2013-06-27 | 2013-06-27 | Bearing protective cover for anti falling device of inspection well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320375024.6U CN203403435U (en) | 2013-06-27 | 2013-06-27 | Bearing protective cover for anti falling device of inspection well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203403435U true CN203403435U (en) | 2014-01-22 |
Family
ID=49939373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320375024.6U Expired - Fee Related CN203403435U (en) | 2013-06-27 | 2013-06-27 | Bearing protective cover for anti falling device of inspection well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203403435U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104234087A (en) * | 2014-09-16 | 2014-12-24 | 江苏永通市政园林建设有限公司 | Anti-falling manhole |
-
2013
- 2013-06-27 CN CN201320375024.6U patent/CN203403435U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104234087A (en) * | 2014-09-16 | 2014-12-24 | 江苏永通市政园林建设有限公司 | Anti-falling manhole |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140122 Termination date: 20190627 |