CN106948376A - Inspection shaft falling proof device - Google Patents
Inspection shaft falling proof device Download PDFInfo
- Publication number
- CN106948376A CN106948376A CN201710210666.3A CN201710210666A CN106948376A CN 106948376 A CN106948376 A CN 106948376A CN 201710210666 A CN201710210666 A CN 201710210666A CN 106948376 A CN106948376 A CN 106948376A
- Authority
- CN
- China
- Prior art keywords
- frame
- guard member
- radial direction
- inspection shaft
- proof device
- 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.)
- Granted
Links
- 238000007689 inspection Methods 0.000 title claims abstract description 47
- 239000011800 void material Substances 0.000 claims abstract description 7
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 4
- 239000000758 substrate Substances 0.000 claims description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 230000001413 cellular effect Effects 0.000 claims description 3
- 230000008719 thickening Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 3
- 230000001681 protective effect Effects 0.000 description 5
- 230000006378 damage Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000003100 immobilizing effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000002990 reinforced plastic Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
- E02D29/127—Manhole shafts; Other inspection or access chambers; Accessories therefor with devices for impeding fall or injuries of persons
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/02—Manhole shafts or other inspection chambers; Snow-filling openings; accessories
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Civil Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Environmental & Geological Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Health & Medical Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
- Emergency Lowering Means (AREA)
Abstract
The invention provides a kind of inspection shaft falling proof device, including anti-falling protection cover, the anti-falling protection cover includes frame, radial direction guard member, netted guard member and support member, wherein：The radial direction guard member stretches out from the central area that frame is surrounded；The support member is arranged at the outer end of the radial direction guard member；The netted guard member is arranged in the void region of the frame and radial direction guard member formation.The present invention has the advantage that as follows：The present invention is easy for installation, substantially increases impact strength, mitigates weight in the case of performance is met, saves material；Effectively power can be scatter after being impacted, will not locally produce the stress of concentration.
Description
Technical field
The present invention relates to inspection shaft facility field, in particular it relates to a kind of inspection shaft falling proof device.
Background technology
A lot of underground pipings, such as sewer, underground gas pipeline, water supply pipe, power pipe are had in urban construction
Road, communication conduit, national defence pipeline etc., these pipelines will have an outlet for leading to ground every one section, by pipeline to ground
This section is referred to as inspection shaft, and catch pit port is generally concordant with ground, it is therefore desirable to which lid covers catch pit port, is inspection well cover.Basement
Well lid is generally made of materials such as reinforced concrete, metal, reinforced plastics, and shape is based on circular and square.
Because inspection well cover has recovery value, therefore it occur frequently that inspection shaft losing of cover, situation about being stolen；In addition, sudden and violent
Rainy day gas, people would generally open inspection well cover and accelerate draining.Therefore, inspection shaft loses inspection well cover, and pedestrian or article can occur often
The situation of inspection well cover is fallen into, great potential safety hazard and property loss is caused.It would therefore be desirable to take good protection to arrange
Apply, so as to which the generation of this series of problems can be prevented.
The U of Chinese patent mandate publication number CN 204875856 disclose a kind of suspension type inspection shaft anti-fall device, including load-bearing
Protective cover and the suspender being connected on load-bearing protective cover；Circle distribution has connecting hole on load-bearing protective cover, and suspender passes through even
Socket part is connected with the connecting hole of load-bearing protective cover.But there is following drawback in the inspection shaft anti-fall device：When people or object are fallen into
When on to the inspection shaft anti-fall device, the impulsive force of people or object is concentrated in some area of the inspection shaft anti-fall device
Domain, damage is caused to the inspection shaft anti-fall device, causes the service life of the inspection shaft anti-fall device to greatly reduce；In addition, described
What inspection shaft anti-fall device was connected with connecting rope is closely located to the periphery of the inspection shaft anti-fall device, to the inspection shaft anti-fall device
Degree of protection is not enough；The material of the inspection shaft anti-fall device consumption is more.
The content of the invention
For defect of the prior art, it is an object of the invention to provide a kind of inspection shaft falling proof device.
A kind of inspection shaft falling proof device provided according to the present invention, including anti-falling protection cover, the anti-falling protection cover include
Frame, radial direction guard member, netted guard member and support member, wherein：The central area that the radial direction guard member is surrounded from frame
Stretch out；The support member is arranged at the outer end of the radial direction guard member；The netted guard member is arranged at the frame
In the void region of radial direction guard member formation.
Preferably, the radial direction guard member intersects with the frame and extended from the lateral surface of the frame.
Preferably, radial direction guard member is included or external with radial direction guard member by the circumscribed circle of frame；Or
Radial direction guard member is included or external with radial direction guard member by the boundary rectangle of frame.
Preferably, the support member includes hook, links up with as section bar；
Radial direction guard member is uniformly distributed in the circumferential；
The surface of radial direction guard member is smooth；
In the circumferential between adjacent radial direction guard member, frame extends along camber line, wherein, the cancave cambered surface of frame is described in
Central area.
Preferably, the netted guard member includes some longitudinally reinforced plates, and the longitudinally reinforced plate, which is interconnected to form, to be added
Strong plate network, the edge of the reinforcing plate network connects the side of the radial direction guard member and the inner side of the frame
Face.
Preferably, the back side of the radial direction guard member is provided with some flutings；
The back side of the frame is provided with some flutings；
There is space between fluting in the radial direction guard member；There is space between fluting on the frame.
Preferably, the netted guard member is in cellular.
Preferably, the central area that the frame is surrounded is provided with substrate, and the radial direction guard member is surrounded close to frame
Central area one end connecting substrate.
Preferably, the radial direction guard member includes the first rib and the second rib, wherein：First rib
Width gradually increases from central area to the direction of the frame that the frame is surrounded；The width of second rib is from institute
Central area to the direction of the frame that frame surrounds is stated to immobilize；
Radially direction from inside to outside, central area to the direction of the frame surrounded from the frame is sequentially connected.
Preferably, the frame is located at the part between circumferential adjacent radial direction guard member, thickness diametrically, edge
The bearing of trend of the part is thinning again by thin thickening by thickness.
Compared with prior art, the present invention has following beneficial effect：
1st, the present invention is easy for installation, substantially increases impact strength, mitigates weight, section in the case of performance is met
Material saving；
2nd, power effectively can scatter by the present invention after being impacted, and will not locally produce the stress of concentration.
Brief description of the drawings
By reading the detailed description made with reference to the following drawings to non-limiting example, further feature of the invention,
Objects and advantages will become more apparent upon：
Fig. 1 is the structural representation of inspection shaft falling proof device；
Fig. 2 is along the sectional view on A-A directions in Fig. 1；
Fig. 3 is along the sectional view on B-B directions in Fig. 1；
Fig. 4 is the partial enlarged drawing of C portion in Fig. 1；
Fig. 5 is the partial enlarged drawing of D parts in Fig. 3.
In figure：1- frames；2- radial direction guard members；The netted guard members of 3-；4- support members；The longitudinally reinforced plates of 5-；6- guard is opened
Groove；7- frames are slotted；8- substrates；The ribs of 9- first；The ribs of 10- second.
Embodiment
With reference to specific embodiment, the present invention is described in detail.Following examples will be helpful to the technology of this area
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that to the ordinary skill of this area
For personnel, without departing from the inventive concept of the premise, some changes and improvements can also be made.These belong to the present invention
Protection domain.
As shown in figure 1, a kind of inspection shaft falling proof device provided according to the present invention, including anti-falling protection cover, it is described anti-fall
Protective cover includes frame 1, radial direction guard member 2, netted guard member 3 and support member 4, wherein：The radial direction guard member 2 is from frame 1
The central area surrounded stretches out；The support member 4 is arranged at the outer end of the radial direction guard member 2；The netted guarantor
Guard 3 is arranged in the void region of the frame 1 and the radial direction guard member 2 formation.
Specifically, central area is core or the center that frame 1 encloses region, and such as frame 1 is circular
, then central area can be the concentric circles area defined that radius is less than frame 1.It should be noted that central area
Shape can constitute similar shape with frame 1, can also be dissimilar, and such as frame 1 is circular, then central area can be bag
Rectangular area containing the circular center of circle.Netted guard member 3 can be arranged in whole void region, with to whole void region
The protection grid for preventing people or object from dropping is formed, part that can also be only in void region is arranged.
Further, the radial direction guard member 2 intersects with the frame 1 and extended from the lateral surface of the frame 1.
Radial direction guard member 2 can be a global facility with frame 1, or, frame 1 is provided with through hole, and radial direction guard member 2 is worn from through hole
Go out, or, frame 1 is provided with radially through groove, and radial direction guard member 2 is embedded in radially through groove, and by being welded to connect.
More specifically, radial direction guard member 2 is included or external with radial direction guard member 2 by the circumscribed circle of frame 1；Or
Radial direction guard member 2 is included or external with radial direction guard member 2 by person, the boundary rectangle of frame 1.Inspection well cover is generally circular
Or rectangle, then it is likeness in form shape that the shape for the anti-falling protection cover that the present invention is provided can be matched with inspection well cover, certainly, for increase
Protected area, on the premise of inspection shaft structure allows, anti-falling protection cover can also take different shapes with inspection well cover.
Further, the support member 4 includes hook, links up with as section bar；Radial direction guard member 2 is uniformly distributed in the circumferential；
The surface of radial direction guard member 2 is smooth；In the circumferential between adjacent radial direction guard member 2, frame 1 extends along camber line, wherein, frame
1 cancave cambered surface is towards the central area.The surface of radial direction guard member 2 is smooth, on the one hand can reduce the resistance to falling water flow
Power, on the other hand, when there is human body to drop, can avoid sharp, salient angle or fin from causing secondary injury to human body.
Further, the netted guard member 3 includes some longitudinally reinforced plates 5, and the longitudinally reinforced plate 5 is connected with each other shape
Into reinforcing plate network, the edge of the reinforcing plate network connects side and the frame 1 of the radial direction guard member 2
Medial surface.The netted guard member 3 is in cellular.
Next radial direction guard member 2 is described in more detail.The radial direction guard member 2 includes the first rib 9
With the second rib 10, wherein：The central area that the width of first rib 9 is surrounded from the frame 1 is to the frame 1
Direction gradually increase；Central area to the side of the frame 1 that the width of second rib 10 is surrounded from the frame 1
To immobilizing；Radially direction from inside to outside, the central area surrounded from the frame 1 to the direction of the frame 1 successively
Connection.The central area that the frame 1 is surrounded is provided with substrate 8, the center that the radial direction guard member 2 is surrounded close to frame 1
One end connecting substrate 8 in region.The inner of multiple radial direction guard members 2 be connected to it is same essentially form an integrated member, from
And can disperses impact forces in whole frame 1.
Further, the back side of the radial direction guard member 2 is provided with some guard flutings 6；The back side of the frame 1 is set
There are some frame flutings 7；There is space between guard fluting 6 in the radial direction guard member 2；Frame on the frame 1 is opened
There is space between groove 7.The making material of the anti-falling protection cover is saved compared with the making material of conventional anti-falling protection cover
More than 30% and the anti-falling protection cover is easy for installation.
The frame 1 is located at the part between circumferential adjacent radial direction guard member 2, thickness diametrically, along the portion
The bearing of trend divided is thinning again by thin thickening by thickness.
Fig. 2 be the inspection shaft falling proof device along the sectional view on A-A directions, Fig. 3 is the inspection shaft falling proof device edge
Sectional view on B-B directions, as shown in Figures 2 and 3, radially on direction from inside to outside, the inspection shaft falling proof device
Thickness first gradually increases, then keeps constant.The central area at the inspection shaft falling proof device back side is a spherical cancave cambered surface, when having
When people or object are fallen on inspection shaft anti-fall device, people or object produce the upper surface that lower pressure passes to inspection shaft anti-fall device,
And then lower surface is passed to, the spherical cancave cambered surface of lower surface produces elastic deformation and buffers lower pressure, and spherical cancave cambered surface recovers shape
Upward elastic force can be produced during change, further the lower pressure of buffering, realizes the protection to people or object.
Fig. 4 be support member 4 partial enlarged drawing, Fig. 5 be support member 4 along the profile on B-B directions, such as Fig. 4 and Fig. 5 institutes
Show, the top of the support member 4 is in convex arc shaped, can effectively alleviate lower pressure；The top of support member 4 is additionally provided with some tops
Portion is slotted, and material is greatlyd save under conditions of load-bearing is not influenceed, and very attractive in appearance.The bottom of support member 4 is provided with extension
Hook, the opening of hook is arranged on the bottom surface of support member 4, and the opening side of hook is provided with lug boss, and the lug boss can be limited
The suspender that fabrication enters hook breaks off relations under the pressure of back-flushing.
The specific embodiment of the present invention is described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make a variety of changes or change within the scope of the claims, this not shadow
Ring the substance of the present invention.In the case where not conflicting, feature in embodiments herein and embodiment can any phase
Mutually combination.
Claims (10)
1. a kind of inspection shaft falling proof device, it is characterised in that including anti-falling protection cover, the anti-falling protection cover includes frame, footpath
To guard member, netted guard member and support member, wherein：The central area that the radial direction guard member is surrounded from frame is to extension
Stretch；The support member is arranged at the outer end of the radial direction guard member；The netted guard member is arranged at the frame and described
In the void region of radial direction guard member formation.
2. inspection shaft falling proof device according to claim 1, it is characterised in that the radial direction guard member and the frame phase
Hand over and extend from the lateral surface of the frame.
3. inspection shaft falling proof device according to claim 1, it is characterised in that the circumscribed circle of frame is by radial direction guard member bag
Containing inside or external with radial direction guard member；Or
Radial direction guard member is included or external with radial direction guard member by the boundary rectangle of frame.
4. inspection shaft falling proof device according to claim 1, it is characterised in that the support member includes hook, link up with and be
Section bar；
Radial direction guard member is uniformly distributed in the circumferential；
The surface of radial direction guard member is smooth；
In the circumferential between adjacent radial direction guard member, frame extends along camber line, wherein, the cancave cambered surface of frame is towards the center
Region.
5. inspection shaft falling proof device according to claim 1, it is characterised in that the netted guard member includes some longitudinal directions
Reinforcing plate, the longitudinally reinforced plate is interconnected to form reinforcing plate network, the edge connection of the reinforcing plate network
The side of the radial direction guard member and the medial surface of the frame.
6. inspection shaft falling proof device according to claim 1, it is characterised in that
The back side of the radial direction guard member is provided with some flutings；
The back side of the frame is provided with some flutings；
There is space between fluting in the radial direction guard member；There is space between fluting on the frame.
7. inspection shaft falling proof device according to claim 1, it is characterised in that the netted guard member is in cellular.
8. inspection shaft falling proof device according to claim 1, it is characterised in that the central area that the frame is surrounded is set
There are substrate, one end connecting substrate for the central area that the radial direction guard member is surrounded close to frame.
9. inspection shaft falling proof device according to claim 1, it is characterised in that the radial direction guard member includes first and strengthened
Portion and the second rib, wherein：The central area that the width of first rib is surrounded from the frame is to the frame
Direction gradually increases；The width of second rib is fixed from central area to the direction of the frame that the frame is surrounded
It is constant；
Radially direction from inside to outside, central area to the direction of the frame surrounded from the frame is sequentially connected.
10. inspection shaft falling proof device according to claim 1, it is characterised in that the frame is located at circumferential adjacent
Part between radial direction guard member, thickness diametrically is thinning again by thin thickening by thickness along the bearing of trend of the part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710210666.3A CN106948376B (en) | 2017-03-31 | 2017-03-31 | Anti-falling device for inspection well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710210666.3A CN106948376B (en) | 2017-03-31 | 2017-03-31 | Anti-falling device for inspection well |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106948376A true CN106948376A (en) | 2017-07-14 |
| CN106948376B CN106948376B (en) | 2020-03-20 |
Family
ID=59474841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710210666.3A Active CN106948376B (en) | 2017-03-31 | 2017-03-31 | Anti-falling device for inspection well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106948376B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07207691A (en) * | 1994-01-25 | 1995-08-08 | Taisei Corp | Fall-preventing device for manhole |
| WO2005111318A1 (en) * | 2004-05-13 | 2005-11-24 | Aco Severin Ahlmann Gmbh & Co. Kg | Protective rib |
| CN203222821U (en) * | 2013-05-10 | 2013-10-02 | 冯基敏 | Safe anti-drop device for pipe manhole |
| CN103352480A (en) * | 2013-06-27 | 2013-10-16 | 上海天原集团胜德塑料有限公司 | Anti-falling device for inspection well |
| CN203346905U (en) * | 2013-06-27 | 2013-12-18 | 上海天原集团胜德塑料有限公司 | Protective cover supporting frame for inspection well falling prevention device |
| CN203795469U (en) * | 2014-03-26 | 2014-08-27 | 上海天原集团胜德塑料有限公司 | Anti-drop structure for inspection well |
-
2017
- 2017-03-31 CN CN201710210666.3A patent/CN106948376B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07207691A (en) * | 1994-01-25 | 1995-08-08 | Taisei Corp | Fall-preventing device for manhole |
| WO2005111318A1 (en) * | 2004-05-13 | 2005-11-24 | Aco Severin Ahlmann Gmbh & Co. Kg | Protective rib |
| CN203222821U (en) * | 2013-05-10 | 2013-10-02 | 冯基敏 | Safe anti-drop device for pipe manhole |
| CN103352480A (en) * | 2013-06-27 | 2013-10-16 | 上海天原集团胜德塑料有限公司 | Anti-falling device for inspection well |
| CN203346905U (en) * | 2013-06-27 | 2013-12-18 | 上海天原集团胜德塑料有限公司 | Protective cover supporting frame for inspection well falling prevention device |
| CN203795469U (en) * | 2014-03-26 | 2014-08-27 | 上海天原集团胜德塑料有限公司 | Anti-drop structure for inspection well |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106948376B (en) | 2020-03-20 |
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Effective date of registration: 20240522 Address after: 201400 2012 Jinbi Road, Fengxian District, Shanghai Patentee after: Shanghai Shenpai Water Technology Group Co.,Ltd. Country or region after: China Address before: Room A404, Business Building 1, No. 1588 Lianhang Road, Minhang District, Shanghai, 2011 Patentee before: SHANGHAI SHENPAI COMPLETE EQUIPMENT INDUSTRY CO.,LTD. Country or region before: China |