CN205000363U - Falling prevention device of municipal inspection well - Google Patents
Falling prevention device of municipal inspection well Download PDFInfo
- Publication number
- CN205000363U CN205000363U CN201520752160.1U CN201520752160U CN205000363U CN 205000363 U CN205000363 U CN 205000363U CN 201520752160 U CN201520752160 U CN 201520752160U CN 205000363 U CN205000363 U CN 205000363U
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- CN
- China
- Prior art keywords
- support frame
- collar
- net
- drop
- drop net
- 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
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- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The utility model discloses a falling prevention device of municipal inspection well, including the crab -bolt of preventing weighing down the net with be fixed in the wall of a well, prevent weigh down the net including the dictyosome and the lantern ring that links to each other with the dictyosome, the lantern ring colludes in the hook portion of tieing the anchor, characterized by: prevent weighing down and be equipped with support chassis on the net, support chassis will prevent weighing down the net and strut, the root fixed connection of the support chassis and the lantern ring, the lantern ring extend support chassis, avoid preventing weighing down the net simple to operate that knots.
Description
Technical field
The utility model relates to a kind of safety device, and more particularly, it relates to a kind of municipal manhole anti-drop device.
Background technology
Municipal administration manhole also claims people's well, common are cable manhole, communication manhole etc., and namely in order to overhaul, the facility of threading, can the vertical channel of servant every one section of excavation one; Along with the quickening of expanding economy, Urbanization Construction, greatly promoted infrastructure construction, newly-built community, road occur in a large number, as long as there is the place of the communal facilities such as municipal administration, communication, just need to arrange installation check well.Along with rolling up of manhole, it is frequently existing that the pedestrian caused because of manhole cover damage, heavy rain wash away, the reason such as theft causes manhole cover loss falls the personal safety accidents such as well.As can be seen here, along with the continuous increase of manhole, safety device supporting with it also must supportingly carry out.
People's additional under well lid has anti-drop device for this reason, anti-drop device generally comprises crab-bolt and anti-drop net, and crab-bolt and the borehole wall interfix, and anti-drop net catches in crab-bolt, even if well lid is stolen after such setting, due to the existence of anti-drop net, be unlikely to pedestrian and crash in well, damage, but this anti-drop device existing defects, anti-drop net is woven by rope and forms, and anti-drop net is easily tied a knot, and causes installing trouble.
Utility model content
For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of municipal manhole anti-drop device, avoids anti-drop net to tie a knot easy for installation.
For achieving the above object, the utility model provides following technical scheme: a kind of municipal manhole anti-drop device, comprise anti-drop net and the crab-bolt being fixed on the borehole wall, the collar that described anti-drop net comprises dictyosome and is connected with dictyosome, the described collar hooks the hook portion in bolt anchor, it is characterized in that: described anti-drop net is provided with support frame, and anti-drop net struts by support frame, described support frame is fixedly connected with the root of the collar, and the described collar extends support frame.
The utility model is set to further: described support frame is made of plastics.
The utility model is set to further: described support frame is provided with the some connecting portion, described connecting portion and the collar compact siro spinning technology that pass for the collar.
The utility model is set to further: described connecting portion is connecting hole.
The utility model is set to further: described support frame is provided with some equally distributed coupler bodies, and described dictyosome periphery hooks on the coupler body of support frame.
By adopting technique scheme, anti-drop net struts by support frame, no matter carrying, when installation, anti-drop net all can not be tied a knot, the root of support frame and the collar is fixed simultaneously, make the collar extend support frame, constructor, when installation, just very easily can find the collar simultaneously, easier for installation, effectively can improve the efficiency of installation.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model municipal administration manhole anti-drop device embodiment;
Fig. 2 is the enlarged drawing at A place in Fig. 1.
Reference numeral: 1, crab-bolt; 2, anti-drop net; 21, dictyosome; 22, the collar; 3, support frame; 31, connecting hole; 32, coupler body.
Detailed description of the invention
Referring to figs. 1 through Fig. 2, the utility model municipal administration manhole anti-drop device embodiment is described further.
A kind of municipal manhole anti-drop device, comprise crab-bolt 1, anti-drop net 2, support frame 3, anti-drop net 2 be installed on support frame 3 anti-drop net 2 softened after, the collar 22 on anti-drop net 2 just extends support frame 3, anti-drop net 2 can be strutted afterwards because anti-drop net 2 is installed to support frame 3, after strutting, anti-drop net 2 would not roll into a mass by kneading, and cause the knotting of anti-drop net 2, when installation anti-drop nets 2 a large amount of inside city, disposablely can bring municipal manhole anti-drop device a lot, the anti-drop net 2 strutting mouth can piecemeally be stacked, very large space can not be taken.
Conveniently support frame 3 is described, in accompanying drawing, support frame 3 is expressed as circular, the scope will protected in certain the utility model is not limited to circular, it can be random geometry, the material of support frame 3 preferably adopts plastics, the support frame 3 of plastics can integrated injection molding, become to produce cost extremely low, be applicable to very much a large amount of one-tenth to produce, when the municipal manhole anti-drop device of installation in enormous quantities, the cost increased after support frame 3 does not have obvious increase, simultaneously also because plastics are less expensive, after well lid is stolen, robber can't go because support frame 3 is more costly to steal anti-drop net 2, increase the safety of waterproof net, and in prior art, also have on anti-drop net 2 extension supporting skeleton 3, such as application number is the Chinese utility model patent of 201420546087.8, but the described supporting station in this patent mainly plays load-bearing effect, substantial difference is had with the effect of the support frame 3 in the utility model, due to its load-bearing effect of the supporting station in this patent, the material of supporting station must have larger rigidity, therefore cost can increase greatly, result also can cause the stolen possibility of anti-drop net 2 greatly to increase, and the support frame 3 in the utility model can be any materials, object is only for strut anti-drop net 2.
The root of the collar 22 and the connecting portion of support frame 3 are interconnected, the mode of connecting portion has a variety of, the present embodiment preferably adopts the interface of connecting hole 31, the diameter of connecting hole 31 is smaller, ensure that the collar 22 can pass, but there is suitable frictional force simultaneously and between the collar 22, ensure that the collar 22 can not come off in connecting hole 31, structure except connecting hole 31 also has a lot, the mechanism of clamping is such as set on support frame 3, the present embodiment selects connecting hole 31 to be because connecting hole 31 can integrated injection molding, with low cost.When in use, time each collar 22 is outwards pullled, anti-drop net 2 will be strutted, realize the collar 22 and extend from support frame 3, strut anti-drop net 2 simultaneously.
Certain support frame 3 is when strutting anti-drop net 2, do not require complete for supporting network tensioning, can have suitable sagging, do not affect the function that support frame 3 avoids anti-drop net 2 to tie a knot like this, the anti-drop net 2 of different size can be coordinated in order to increase support frame 3, the anti-drop net 2 that such as collar 22 quantity is different, support frame 3 in the present embodiment is provided with several connecting holes 31, several connecting holes 31 arrange uniformly, according to the quantity of the different collar 22, through corresponding connecting hole 31, ensure the planeness of anti-drop net 2, or the angle of the setting of crab-bolt 1 is even not, suitable connecting hole 31 can be selected, the collar 22 is passed, the installation of anti-drop net 2 can not be affected because adding skeleton.
In order to the anti-knotting function of a progressive elevating fall prevention net 2, support frame 3 is also provided with coupler body 32, the quantity of coupler body 32 is not limit, when the collar 22 is through after connecting hole 31, can by dictyosome 21 periphery hook as on coupler body 32, increase the connection between anti-drop net 2 and skeleton, make both connect more firm stable.
When installation anti-drop net 2, the anti-drop net 2 with support frame 3 is put into well head, and the collar 22 on anti-drop net 2 just can be relative with the crab-bolt 1 on the borehole wall, just need not go for the collar 22 one by one, as long as put in the hook portion of crab-bolt 1, installs quick fast.
The above is only preferred embodiment of the present utility model, protection domain of the present utility model be not only confined to above-described embodiment, and all technical schemes belonged under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (5)
1. a municipal manhole anti-drop device, comprise anti-drop net and the crab-bolt being fixed on the borehole wall, the collar that described anti-drop net comprises dictyosome and is connected with dictyosome, the described collar hooks the hook portion in bolt anchor, it is characterized in that: described anti-drop net is provided with support frame, anti-drop net struts by support frame, and described support frame is fixedly connected with the root of the collar, and the described collar extends support frame.
2. municipal manhole anti-drop device according to claim 1, is characterized in that: described support frame is made of plastics.
3. municipal manhole anti-drop device according to claim 2, is characterized in that: described support frame is provided with the some connecting portion, described connecting portion and the collar compact siro spinning technology that pass for the collar.
4. municipal manhole anti-drop device according to claim 3, is characterized in that: described connecting portion is connecting hole.
5. municipal manhole anti-drop device according to claim 4, is characterized in that: described support frame is provided with some equally distributed coupler bodies, and described dictyosome periphery hooks on the coupler body of support frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520752160.1U CN205000363U (en) | 2015-09-25 | 2015-09-25 | Falling prevention device of municipal inspection well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520752160.1U CN205000363U (en) | 2015-09-25 | 2015-09-25 | Falling prevention device of municipal inspection well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205000363U true CN205000363U (en) | 2016-01-27 |
Family
ID=55157260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520752160.1U Expired - Fee Related CN205000363U (en) | 2015-09-25 | 2015-09-25 | Falling prevention device of municipal inspection well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205000363U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108049428A (en) * | 2017-12-11 | 2018-05-18 | 北京北排装备产业有限公司 | A kind of intelligence inspection shaft falling proof device and its application method |
| CN108402158A (en) * | 2018-03-20 | 2018-08-17 | 恩施州三六五建筑安装工程有限公司 | Telescopic bacon anti-drop net |
| CN108606649A (en) * | 2018-03-20 | 2018-10-02 | 恩施州三六五建筑安装工程有限公司 | Bacon anti-drop net |
-
2015
- 2015-09-25 CN CN201520752160.1U patent/CN205000363U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108049428A (en) * | 2017-12-11 | 2018-05-18 | 北京北排装备产业有限公司 | A kind of intelligence inspection shaft falling proof device and its application method |
| CN108402158A (en) * | 2018-03-20 | 2018-08-17 | 恩施州三六五建筑安装工程有限公司 | Telescopic bacon anti-drop net |
| CN108606649A (en) * | 2018-03-20 | 2018-10-02 | 恩施州三六五建筑安装工程有限公司 | Bacon anti-drop net |
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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: 20160127 Termination date: 20210925 |