CN101684655B - Multifunctional pit protective cover plate - Google Patents
Multifunctional pit protective cover plate Download PDFInfo
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- CN101684655B CN101684655B CN2008101371910A CN200810137191A CN101684655B CN 101684655 B CN101684655 B CN 101684655B CN 2008101371910 A CN2008101371910 A CN 2008101371910A CN 200810137191 A CN200810137191 A CN 200810137191A CN 101684655 B CN101684655 B CN 101684655B
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- cover plate
- safety barrier
- pit
- multifunctional
- pin
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- 230000001681 protective effect Effects 0.000 title claims abstract description 22
- 230000004888 barrier function Effects 0.000 claims description 47
- 230000000694 effects Effects 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- 210000004907 gland Anatomy 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 3
- 229910000838 Al alloy Inorganic materials 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- HDDSHPAODJUKPD-UHFFFAOYSA-N fenbendazole Chemical compound C1=C2NC(NC(=O)OC)=NC2=CC=C1SC1=CC=CC=C1 HDDSHPAODJUKPD-UHFFFAOYSA-N 0.000 abstract 1
- 229940092174 safe-guard Drugs 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The invention relates to a multifunctional pit protective cover plate which belongs to the field of safe production. The multifunctional pit protective cover plate respectively comprises a cover plate body, a safe guard body, a hinge (4), a locking pin (9), a rotating pin shaft (6), a fixed press sleeve (7), and the like. The multifunctional pit protective cover plate has functions of protection and warning during pit operation and has the function of coverage during non-operation. Compared with a general cover plate, the invention has the characteristics of light weight, high strength and safety, resolvability, convenient use, compact structure, and the like and prevents the potential safety hazard of pit drop fundamentally.
Description
Technical field
The invention belongs to the safety in production field.Be particularly related to a kind of multifunctional pit protective cover plate.
Background technology
Produce and municipal administration in, hang thing hole and inspection-pit all with the cover plate covering, be used for preventing that personnel and foreign material from falling in the mine pit.When the staff opens the cover plate of these mine pits when carrying out corresponding work, for the generation that prevents to fall, the safety measure that adopts is with interim measures such as " safety blocks " mine pit of opening to be fenced up, note personal safety with staff and the holdee who reminds near operation mine pit, avoid falling.
Interim safety block is limit by self-condition, can only block the article that weight is light, volume is bigger, can't effectively block for personnel, heavier article and the less article of volume, so " the safety block " that be trapped among around the mine pit of having opened only played the caution effect, really do not play the effect of safety barrage, belong to soft protection.
Summary of the invention
In order fundamentally to eliminate in the soft protection, this injures the hidden danger of staff and holdee's personal safety, thoroughly solves " mine pit falls " this problem, the invention provides a kind of multifunctional pit protective cover plate.
The technical solution adopted for the present invention to solve the technical problems is: a kind of multifunctional pit protection type of the present invention cover plate, and its structure is seen Fig. 1:
This cover plate mainly is made up of six parts, is respectively cover board body, safety barrier body, folding (4), lock ingot pin (9), rotating pin (6) and fixing gland (7).
Cover board body is made up of four parts, is respectively cover plate (1), angle bar (3), bearing (8), handle (12).
The available checkered plates of cover plate (1) is selected its thickness according to the load-bearing load.The detailed arrangement of bearing (8) is referring to Fig. 8.Handle (12) adopts concealed, makes full use of the cover plate inner space, never hinders the folding operation of cover plate guardrail.Accompanying drawing 7 can't be removed after fixing for adopting the mode fixed handle of welding, notes its size during installation, in order to avoid influence the folding of safety barrier; Perhaps adopt handle two ends hitch, nutted mode.
The safety barrier body is made up of three parts, is respectively safety barrier (2), blocks thing plate (5), security warning board (11).
Safety barrier (2), block thing plate (5) surface and use pattern red and white,, block the available aluminium alloys of thing plate (5) and make to play the security warning effect.With " mine pit operation Caution, drop down " or security warning printed words such as " taking care ", security warning board (11) should be fixed, referring to Fig. 1 with The Scarlet Letter book for security warning board (11).
The rigid bearing of folding (4) partly is welded on the angle bar (3), and angle bar (3) is welded on the cover plate (1).The axis of rotation of folding (4) is welded on the safety barrier (2).So folding (4) links together cover plate (1) and safety barrier (2), and safety barrier (2) can rotate around cover plate (1) by folding (4).
Safety barrier (2) is called round end with the end that folding (4) is connected, and an end that is connected with lock ingot pin (9) is called the folding end.
Two pin holes of lock ingot pin (9) are welded on respectively on angle bar (3) and the safety barrier (2), and under the cover plate opening, behind the insertion lock ingot pin, the folding end of safety barrier (2) just locks together with the offside cover board body.Under the cover plate closed condition, behind the insertion lock ingot pin, the folding end of safety barrier (2) just locks together with this side cover plate body.Referring to accompanying drawing 2, accompanying drawing 3, accompanying drawing 4.
Rotating pin (6) is connected as a single entity cover board body and basis, ground (13), and only need rotate untie-sell axle (6) rotation of cover plate can realize opening and closing operation.Rotating pin (6) is fixing by pivot pin (14), referring to accompanying drawing 9.
Fixedly gland (7) is connected as a single entity securely by bolt and basis, ground, has played spacing and fixation to rotating pin (6) simultaneously.
The invention has the beneficial effects as follows:
1. the shortcoming of general cover plate:
General cover plate has two distinct disadvantage, and the one, there is not axis of rotation, near the ground needing when opening cover plate whole cover plate moved on to from mine pit, not only waste of manpower but also take near the mine pit ground space brings great inconvenience to the staff; The 2nd, the construction safety utmost point be cannot say for sure to demonstrate,prove, after cover plate was removed and exposed mine pit, conventional safety measure was to go up safety all around at mine pit to protect rope or movable metal guardrail, and these two kinds of safety measures are when being subjected to the collision of human body or article, can produce displacement easily, thereby lose the effect of security protection.
2. the advantage of a kind of multifunctional pit protective cover plate of the present invention:
It integrates and covers mine pit and security warning and block multinomial function, have in light weight, intensity greatly, can decompose, characteristics such as easy to use, safe, thereby stopped " mine pit falls " this potential safety hazard, belong to hard protection.
Owing to be provided with axis of rotation, cover plate unusual light and fast when opening and closing has been saved manpower; Because cover plate is directly holded up above mine pit, so cover plate does not take near the space on ground, the operation that helps the staff is convenient; Safety barrier and cover plate be integrator, thus sturdy and durable, stronger anti-impact force is arranged, greatly improved safety factor, effectively guaranteed construction safety.Specifically have following some:
1) intensity is big: the checkered plates soffit is welded with seven angle bar as deep floor, has improved the integrated carrying ability of cover plate greatly, and makes cover plate not yielding in the pressure-bearing process.
2) can decompose: cover plate has adopted the detachable structure.Like this, cover plate both can fix on the ground, also can be cover plate is independent from ground by opening rotating pin, move apart mine pit, and help the maintenance of cover plate.
3) concealed handle: handle adopts concealed, makes full use of the cover plate inner space, never hinders the folding operation of cover plate guardrail, referring to accompanying drawing 7.
4) safe: cover plate add-on security guardrail can prevent that the staff from falling; The safety barrier bottom has the obstruction aluminium sheet, can prevent that foreign material from tumbling mine pit.Collapsible design, cover plate and guardrail link into an integrated entity by rotating pin, will not be loose, guaranteed the security protection effect.
5) compact to design, it is little to take up room: owing to adopted collapsible design, so under the situation that cover plate is closed, safety barrier and cover plate are combined compactly, it is minimum to take up room, and comparing with old cover plate takes up room almost has no to change.
6) in light weight: lid surface adopts thin checkered plates, with old-fashioned cover plate mutually weight/power ratio reduced about 50%.Promptly can open easily with manpower.
Description of drawings
Fig. 1 is a mine pit covering plate structure schematic diagram of the present invention.
Fig. 2 is opened into state diagram perpendicular to the ground for mine pit cover plate of the present invention.
Fig. 3 is safety barrier open mode figure of the present invention.
When Fig. 4 was the mine pit operation, mine pit cover plate of the present invention was in the security protection state diagram.
When Fig. 5 was the non-operation of mine pit, mine pit cover plate of the present invention was in the vertical view of covering state.
When Fig. 6 was the non-operation of mine pit, mine pit cover plate of the present invention was in the upward view of covering state.
Fig. 7 is the stealthy grip structure schematic diagram of mine pit cover plate of the present invention.
Fig. 8 is the detailed arrangement figure of bearing of the present invention.
Fig. 9 is the installation diagram of rotating pin of the present invention.
Figure 10 moves apart mine pit figure for cover plate of the present invention.
| Sequence number | Title | Quantity | Describe |
| 1 | Cover plate | 1 | Play covering and protective action, have antiskid function concurrently |
| 2 | Safety barrier | 1 | Anti-falling stop people weighs down thing |
| 3 | |
5 | Weld on the cover board, to improve the intensity and the weight capacity of cover plate |
| 4 | Folding | 1 | Weld on the cover board, guardrail serves as that axle can rotate with this |
| 5 | Block the thing plate | 1 | Welding on the cover board prevents that the smallclothes foreign material from crashing into mine pit from the guardrail outside |
| 6 | Rotating pin | 2 | Cover plate is turned about this axis realizes opening and closing operation |
| 7 | Fixing gland | 2 | By bolt cover plate axis of rotation and basis, ground are fixed together |
| 8 | Bearing | 2 | Be welded as a whole with cover plate |
| 9 | Lock ingot pin | 1 | When cover plate was closed, guardrail was fixed together by this pin and cover plate; When cover plate is opened, pull out this pin, guardrail can rotate freely around folding. |
| 10 | The guardrail railing | 16 | Have protection and warning function |
| 11 | The security warning board | 1 | Be welded on the guardrail, serve as |
| 12 | Handle | 2 | Use when opening and closing |
| 13 | The basis, ground | ||
| 14 | Pivot pin | 2 | Fixing rotary pin shaft |
Annotate: the quantity in the table refers to the quantity of each parts in the cover plate (two cover plates of mine pit needs).
The specific embodiment
Cover plate among the present invention needs to use in pairs in use, promptly cover 2 cover plates on each mine pit, and the safety barrier of each cover plate must not be in the same side.
The cover plate opening process: mention handle (12) on the cover plate (1) with crane or manpower, cover plate (1) drives safety barrier parts such as (2) around axis of rotation (6) Unscrew.When cover plate (1) is opened to position perpendicular to the ground, referring to accompanying drawing 2, lock ingot pin (9) is extracted, then with safety barrier (2) around the round end Unscrew, referring to accompanying drawing 3, up to becoming plumbness with cover plate (1), the cover plate (1) also opened with offside docks, use at last to the lock ingot pin (9) on the side cover plate (1) with safety barrier (2) with side cover plate (1) is locked together.Equally, to the safety barrier (2) on the side cover plate (1) through same operation therewith side cover plate (1) lock together.2 cover plates on this moment mine pit are opened fully, and the both sides, space between the cover plate are protected by 2 safety barriers, referring to accompanying drawing 4, have reached and prevent to weigh down the protection purpose that the people weighs down thing to mine pit, do not influence the normal use of mine pit simultaneously.
Cover plate closes closed procedure: extract with safety barrier (2) and to the lock ingot pin (9) between the side cover plate (1), spin safe guardrail (2) also is adjacent to cover plate (1), and lock ingot pin (9) is inserted, and cover plate (1) is put together on safety barrier (2).Slowly cover on the mine pit with crane or manpower pulling cover plate (1).Equally, side cover plate is also closed with this method, such 2 cover plates have just hidden mine pit fully, referring to accompanying drawing 5.Because the folding end of safety barrier (2) puts together on by lock ingot pin (9) with cover plate (1), so even cover plate is closed, the folding end of safety barrier (2) can not break away from pedestrian or the object injure by a crashing object, smash below the mine pit with cover plate (1) yet, referring to accompanying drawing 6.
Cover plate moves apart the mine pit process: pivot pin (14) is taken out, pull out rotating pin (6), but just this sheet cover plate moves apart mine pit, referring to accompanying drawing 10.
Points for attention:
When 1, making cover plate, the principle of selecting for use of material is, but under the prerequisite that guarantees the safe bearing load predetermined weight, alleviates the overall weight of cover plate as far as possible;
2, cover plate can be positioned at the length of the safety barrier swivel bearing support arm on the cover plate by change, to adapt to the size of mine pit in manufacturing process;
3, cover plate swivel bearing bearing should be welded in the ground securely;
4, after cover plate is opened, should immediately safety barrier be opened and with side cover plate is combined, the bearing pin after the combination must be locked, so as not to guardrail with side cover plate is absolved;
5, after cover plate uses a period of time, should regularly check, should in time change for wearing and tearing or the serious parts of corrosion to all axles, pin.
Claims (13)
1. multifunctional pit protective cover plate, comprise cover board body, safety barrier body, folding (4), lock ingot pin (9), axis of rotation (6) and fixing gland (7), it is characterized in that: cover board body is connected with ground with fixing gland (7) by axis of rotation (6), safety barrier body one end is linked to each other with cover board body by folding (4), when opening cover plate, the safety barrier body other end links to each other with the opposite cover board body with lock ingot pin (9), form circumferential closed working space, play the effect that prevents " mine pit falls "; When closing cover plate, link to each other with this side cover plate body with lock ingot pin (9), make the safety barrier body be fixed on the cover board body inboard, cover plate covers on the mine pit, plays the covering effect.
2. a kind of multifunctional pit protective cover plate according to claim 1 is characterized in that: cover board body is made up of four parts, is respectively cover plate (1), angle bar (3), bearing (8), handle (12).
3. a kind of multifunctional pit protective cover plate according to claim 2 is characterized in that: cover plate (1) is used checkered plates, selects its thickness according to the load-bearing load.
4. a kind of multifunctional pit protective cover plate according to claim 2 is characterized in that: handle (12) adopts concealed, adopts the mode fixed handle of welding, perhaps adopts handle two ends hitch, nutted mode.
5. a kind of multifunctional pit protective cover plate according to claim 1 is characterized in that: the safety barrier body is made up of three parts, is respectively safety barrier (2), blocks thing plate (5), security warning board (11).
6. a kind of multifunctional pit protective cover plate according to claim 5 is characterized in that: safety barrier (2) is with pattern red and white, to reach the security warning effect.
7. a kind of multifunctional pit protective cover plate according to claim 5 is characterized in that: block thing plate (5) and made by aluminium alloys, figure is with pattern red and white, to reach the security warning effect.
8. a kind of multifunctional pit protective cover plate according to claim 5 is characterized in that: with " mine pit operation Caution, drop down " or " taking care " printed words, security warning board (11) should be fixed with The Scarlet Letter book for security warning board (11).
9. a kind of multifunctional pit protective cover plate according to claim 1 is characterized in that: the rigid bearing of folding (4) partly is welded on the angle bar (3), and angle bar (3) is welded on the cover plate (1); The axis of rotation of folding (4) is welded on the safety barrier (2); So folding (4) links together cover plate (1) and safety barrier (2), and safety barrier (2) can rotate around cover plate (1) by folding (4).
10. a kind of multifunctional pit protective cover plate according to claim 1 is characterized in that: two pin holes of lock ingot pin (9) are welded on respectively on angle bar (3) and the safety barrier (2); In the cover plate opening process, lock ingot pin (9) is extracted, then safety barrier (2) is arrived around the round end Unscrew and become plumbness with cover plate (1), the cover plate (1) also opened with offside docks, use at last to the lock ingot pin (9) on the side cover plate (1) with safety barrier (2) with side cover plate (1) is locked together; Equally, to the safety barrier (2) on the side cover plate (1) through same operation therewith side cover plate (1) lock together; 2 cover plates on this moment mine pit are opened fully; Close in the closed procedure at cover plate, extract with safety barrier (2) and to the lock ingot pin (9) between the side cover plate (1), spin safe guardrail (2) also is adjacent to cover plate (1), lock ingot pin (9) is inserted, cover plate (1) is put together on safety barrier (2), slowly cover cover plate (1) on the mine pit again; Equally, side cover plate is also closed with this method, such 2 cover plates have just hidden mine pit fully; Because the folding end of safety barrier (2) puts together on by locking ingot pin (9) with cover plate (1), so even cover plate is closed, the folding end of safety barrier (2) can not injure, smash pedestrian or object below the mine pit by a crashing object with cover plate (1) disengaging yet.
11. a kind of multifunctional pit protective cover plate according to claim 1 is characterized in that: rotating pin (6) is connected as a single entity cover board body and basis, ground (13), and only need rotate untie-sell axle (6) rotation of cover plate can realize opening and closing operation.
12. a kind of multifunctional pit protective cover plate according to claim 11 is characterized in that: rotating pin (6) is fixing by pivot pin (14); Take out pivot pin (14), pull out rotating pin (6), can make this sheet cover plate move apart mine pit, to be convenient for changing or to overhaul.
13. a kind of multifunctional pit protective cover plate according to claim 1 is characterized in that: fixedly gland (7) is connected as a single entity securely by bolt and basis, ground (13), has played spacing and fixation to axis of rotation (6) simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101371910A CN101684655B (en) | 2008-09-26 | 2008-09-26 | Multifunctional pit protective cover plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101371910A CN101684655B (en) | 2008-09-26 | 2008-09-26 | Multifunctional pit protective cover plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101684655A CN101684655A (en) | 2010-03-31 |
| CN101684655B true CN101684655B (en) | 2011-05-25 |
Family
ID=42048004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101371910A Active CN101684655B (en) | 2008-09-26 | 2008-09-26 | Multifunctional pit protective cover plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101684655B (en) |
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| CN102926630B (en) * | 2012-10-10 | 2015-04-22 | 南通曙光波纹管制造有限公司 | Door device of overhaul channel |
| CN102953540A (en) * | 2012-11-26 | 2013-03-06 | 康力电梯股份有限公司 | Multifunctional floor cover plate structure |
| CN103245478B (en) * | 2013-04-09 | 2016-06-29 | 浙江吉利汽车研究院有限公司杭州分公司 | A kind of cover plate for covering surface of collision pit |
| CN204000939U (en) * | 2014-06-17 | 2014-12-10 | 田艺儿 | A kind of municipal administration inspection shaft guardrail |
| CN105756098B (en) * | 2016-04-20 | 2018-01-02 | 南通科莱能源技术有限公司 | A kind of cover board arrangement for inspection-pit |
| CN106988348B (en) * | 2016-11-23 | 2019-12-03 | 国网浙江省电力公司温州供电公司 | A kind of folding cable well lid |
| CN107060491A (en) * | 2017-05-03 | 2017-08-18 | 王宏斌 | A kind of isolated column of municipal road construction |
| CN108487431B (en) * | 2018-03-09 | 2019-12-24 | 浙江处州建设管理有限公司 | Municipal drainage ditch |
| CN110080219B (en) * | 2019-04-19 | 2024-04-19 | 中建八局第二建设有限公司 | Socket-type anti-floating anchor steel casing and use method thereof |
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|---|---|---|---|---|
| CN2204820Y (en) * | 1994-07-27 | 1995-08-09 | 李继华 | Manhole cover against theft |
| DE19718688A1 (en) * | 1997-05-02 | 1998-11-05 | Rag Ag | Method of securing ground surrounding disused and filled mine-shaft |
| JP2000144777A (en) * | 1998-11-12 | 2000-05-26 | Kanto Chutetsu Kk | Open-close structure of quadrilateral cover |
| CN2407038Y (en) * | 2000-03-02 | 2000-11-22 | 李凤祥 | Safety manhole cover |
| CN2412928Y (en) * | 2000-04-19 | 2001-01-03 | 肜德胜 | Safety manhole cover |
| JP2001020309A (en) * | 1999-07-12 | 2001-01-23 | Nippon Chutetsukan Kk | Square steel lid for manhole |
| WO2004085754A1 (en) * | 2003-03-25 | 2004-10-07 | Aco Severin Ahlmann Gmbh & Co. Kg | Cover arrangement |
| CN2698849Y (en) * | 2004-05-14 | 2005-05-11 | 肖丰 | Cover for preventing pedestrian from falling into well |
| KR20070090571A (en) * | 2006-03-03 | 2007-09-06 | 임성호 | Checking box safe cover by shock absorber |
-
2008
- 2008-09-26 CN CN2008101371910A patent/CN101684655B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2204820Y (en) * | 1994-07-27 | 1995-08-09 | 李继华 | Manhole cover against theft |
| DE19718688A1 (en) * | 1997-05-02 | 1998-11-05 | Rag Ag | Method of securing ground surrounding disused and filled mine-shaft |
| JP2000144777A (en) * | 1998-11-12 | 2000-05-26 | Kanto Chutetsu Kk | Open-close structure of quadrilateral cover |
| JP2001020309A (en) * | 1999-07-12 | 2001-01-23 | Nippon Chutetsukan Kk | Square steel lid for manhole |
| CN2407038Y (en) * | 2000-03-02 | 2000-11-22 | 李凤祥 | Safety manhole cover |
| CN2412928Y (en) * | 2000-04-19 | 2001-01-03 | 肜德胜 | Safety manhole cover |
| WO2004085754A1 (en) * | 2003-03-25 | 2004-10-07 | Aco Severin Ahlmann Gmbh & Co. Kg | Cover arrangement |
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| KR20070090571A (en) * | 2006-03-03 | 2007-09-06 | 임성호 | Checking box safe cover by shock absorber |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101684655A (en) | 2010-03-31 |
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Owner name: STATE ELECTRIC NET CROP. Effective date: 20121017 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20121017 Address after: 157000 No. 121 East Xin'an street, Dongan District, Heilongjiang, Mudanjiang Patentee after: Mudanjiang HY Power Station Patentee after: State Grid Corporation of China Address before: 157000 No. 121 East Xin'an street, Dongan District, Heilongjiang, Mudanjiang Patentee before: Mudanjiang HY Power Station |