CN203346905U - Protective cover supporting frame for inspection well falling prevention device - Google Patents
Protective cover supporting frame for inspection well falling prevention device Download PDFInfo
- Publication number
- CN203346905U CN203346905U CN 201320375044 CN201320375044U CN203346905U CN 203346905 U CN203346905 U CN 203346905U CN 201320375044 CN201320375044 CN 201320375044 CN 201320375044 U CN201320375044 U CN 201320375044U CN 203346905 U CN203346905 U CN 203346905U
- Authority
- CN
- China
- Prior art keywords
- protective cover
- bracing frame
- cover bracing
- inspection shaft
- supporting frame
- Prior art date
- 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
Links
Images
Landscapes
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
The utility model discloses a protective cover supporting frame for an inspection well falling prevention device. A bolt connecting hole through which the inner wall of an inspection well mouth can be connected conveniently is formed in the middle of the protective cover supporting frame. A containing groove with a supporting plane is formed in the inner side of the protective cover supporting frame. One end of the containing groove is an open end, and the other end of the containing groove is provided with a positioning baffle block. The protective cover supporting frame is simple in structure, long in service life, good in bearing performance and capable of being corrosion resistant and oxidation resistant when being placed at the humidity and feculent environment for a long time.
Description
Technical field
The utility model relates to a kind of inspection shaft anti-drop device, 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, the power cable manhole, also be inspection shaft.
The well head of inspection shaft all is 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 in order 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 the well seat, has the soft string bag be connected with the 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; While when the urban road immersion, needing emergent draining, even if open well lid, also can prevent that pedestrian or larger object from crashing in well.But, due to the restriction that is subject to the material of the soft string bag own, in the situation that long-time, using, 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 support frame structure.
The utility model content
For the problems referred to above, the utility model provides anti-drop device protective cover bracing frame 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 protective cover bracing frame for inspection shaft, it is characterized in that, the middle part of protective cover bracing frame is provided with so that connect the bolt connecting hole of catch pit port inwall, the inboard of protective cover bracing frame is provided with the holding tank with a supporting plane, one end of described holding tank is openend, and the other end of holding tank is provided with position block.
In the utility model, between protective cover bracing frame and catch pit port inwall, by expandable nail, be connected.Further, described expandable nail is the inner plastic expansion nail that is embedded with metallic framework, and an end of expandable nail is taper pawl structure, with the catch pit port inwall, is connected, and the other end of expandable nail is the countersunk head structure, with the protective cover bracing frame, is connected.
In the utility model, the bottom of described protective cover bracing frame is provided with the reinforcement brace rod.
In the utility model, on the outer wall of described protective cover bracing frame, be provided with seal.
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.
Characteristics 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.
The accompanying drawing explanation
Fig. 1 is that the utility model inspection shaft is used the schematic diagram of protective cover bracing frame with anti-drop device.
Fig. 2 is that the utility model is applied to the schematic diagram in anti-drop device for inspection shaft.
The schematic diagram that Fig. 3 is the load-bearing protective cover.
The specific embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, further set forth the utility model below in conjunction with specific embodiment.
Referring to Fig. 1,2 and 3, anti-drop device protective cover bracing frame for a kind of inspection shaft, comprise 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 the ISO527-1 standard > 100MPa, the 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, and the outer contour shape of load-bearing protective cover 100 is circular, is provided with on the load-bearing protective cover with center and is the weep hole 110 that surrounding is dispersed.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 zone, maintenance telephone number, be 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.Be provided with seal on the outer wall of protective cover bracing frame.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 an end of expandable nail is taper pawl structure, with the catch pit port inwall, is connected, and by knocking, squeezes into the catch pit port inwall, and strikes tighter and tighter in case anti-avulsion falls.The other end of expandable nail is the 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 the catch pit port inwall.The inboard of protective cover bracing frame is provided with the holding tank 220 with a supporting plane 221, and an 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 the 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 fully, and operation is more light when increasing work efficiency.In the Inspection and maintenance of 2 times per month, the 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.
Above demonstration 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 break away 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 (5)
1. anti-drop device protective cover bracing frame for inspection shaft, it is characterized in that, the middle part of protective cover bracing frame is provided with so that connect the bolt connecting hole of catch pit port inwall, the inboard of protective cover bracing frame is provided with the holding tank with a supporting plane, one end of described holding tank is openend, and the other end of holding tank is provided with position block.
2. anti-drop device protective cover bracing frame for inspection shaft according to claim 1, is characterized in that, between protective cover bracing frame and catch pit port inwall, by expandable nail, is connected.
3. anti-drop device protective cover bracing frame for inspection shaft according to claim 2, it is characterized in that, described expandable nail is the inner plastic expansion nail that is embedded with metallic framework, one end of expandable nail is taper pawl structure, with the catch pit port inwall, be connected, the other end of expandable nail is the countersunk head structure, with the protective cover bracing frame, is connected.
4. anti-drop device protective cover bracing frame for inspection shaft according to claim 1, is characterized in that, the bottom of described protective cover bracing frame is provided with the reinforcement brace rod.
5. anti-drop device protective cover bracing frame for inspection shaft according to claim 1, is characterized in that, on the outer wall of described protective cover bracing frame, is provided with seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320375044 CN203346905U (en) | 2013-06-27 | 2013-06-27 | Protective cover supporting frame for inspection well falling prevention device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320375044 CN203346905U (en) | 2013-06-27 | 2013-06-27 | Protective cover supporting frame for inspection well falling prevention device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203346905U true CN203346905U (en) | 2013-12-18 |
Family
ID=49746821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320375044 Expired - Fee Related CN203346905U (en) | 2013-06-27 | 2013-06-27 | Protective cover supporting frame for inspection well falling prevention device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203346905U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106948376A (en) * | 2017-03-31 | 2017-07-14 | 上海申排成套装备产业有限公司 | Inspection shaft falling proof device |
-
2013
- 2013-06-27 CN CN 201320375044 patent/CN203346905U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106948376A (en) * | 2017-03-31 | 2017-07-14 | 上海申排成套装备产业有限公司 | Inspection shaft falling proof device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203346905U (en) | Protective cover supporting frame for inspection well falling prevention device | |
| CN103352480B (en) | Anti-falling device for inspection well | |
| CN203361203U (en) | Concrete well lid support, inspection well inner well lid and inspection well concrete well lid assembly | |
| CN203403435U (en) | Bearing protective cover for anti falling device of inspection well | |
| CN203795469U (en) | Anti-drop structure for inspection well | |
| CN204385766U (en) | The safe barrier covering plate structure of existing road piping shaft | |
| CN206971357U (en) | A kind of anti-ponding well lid of municipal administration | |
| CN203429667U (en) | Inspection well anti-falling device convenient to use | |
| CN208857848U (en) | A kind of decanter type electric power well lid | |
| CN203320561U (en) | Anti-falling device for inspection well | |
| CN204098071U (en) | Anti-drop device protective cover bracing frame | |
| CN204098082U (en) | Anti-drop device load-bearing protective cover | |
| CN204098072U (en) | Inspection shaft anti-drop device | |
| CN205483473U (en) | Inspection shaft safety net testing arrangement | |
| CN204875856U (en) | Suspension type inspection shaft anti -falling device | |
| CN205908244U (en) | Consolidate fence gate of fastness | |
| CN203373781U (en) | Anti-falling device of inspection well cover | |
| CN203531011U (en) | Anti-falling safety protection net used for inspection well | |
| CN203559434U (en) | Anti-falling device of inspection well cover | |
| CN104863182A (en) | Safety protection washer device of road well lid | |
| CN207212057U (en) | A kind of closed guard gate's hanging deck limit base | |
| CN204982952U (en) | Road well lid safety protection packing ring device | |
| CN209798839U (en) | Municipal administration road well lid | |
| CN211044849U (en) | Signboard is used in gardens | |
| CN204112370U (en) | One is anti-washes away manhole cover and bearing |
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 |
Granted publication date: 20131218 Termination date: 20190627 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |