CN103726512B - A kind of well lid and pulling-up device thereof and using method - Google Patents
A kind of well lid and pulling-up device thereof and using method Download PDFInfo
- Publication number
- CN103726512B CN103726512B CN201410007276.2A CN201410007276A CN103726512B CN 103726512 B CN103726512 B CN 103726512B CN 201410007276 A CN201410007276 A CN 201410007276A CN 103726512 B CN103726512 B CN 103726512B
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- side plate
- well lid
- connecting rod
- cover body
- manhole cover
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- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
- Sewage (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The invention discloses a kind of well lid and pulling-up device thereof and using method, comprise manhole cover body, manhole cover body has straight wall blind hole; The pulling-up device of well lid, comprises first and second side plate, first and second connecting rod, and first and second connecting rod is hinged with first and second side plate respectively; First and second side plate and first and second connecting rod form parallel four-bar linkage; When parallel four-bar linkage is orthogonal, the distance of first and second side plate separately between outside is greater than the diameter of straight wall blind hole; When parallel four-bar linkage inserts straight wall blind hole, first connecting rod and horizon form angle α, and α is less than or equal to the angle of friction β of first and second side plate and manhole cover body, and β=arctanf, f are the friction factor between first and second side plate and manhole cover body.Anti-theft function of the present invention clearly; Effective solution well lid " rust protection " problem; Well lid, pulling-up device structure is simple, cost is low, easy to use, has practical value widely.
Description
Technical field
The present invention relates to a kind of well lid and pulling-up device thereof and using method.
Background technology
Well lid plays very important effect in our daily life, is the important ingredient of municipal sewage system system, extensively appears at each corner in the city such as community, road.At present, all need in provided underground as multiple pipelines such as water, electricity, communications at city farm-to-market road, and for observing or overhaul the well head of subterranean pipe line, what great majority adopted is the well lid that cast iron materials manufactures, well lid due to cast iron quality has certain recovery value, and at present for the anti-theft measure very imperfection of well lid, so well lid is very easily stolen, light then cause the property loss of country due to the disappearance filling up well lid, heavy then cause personal injury event due to the trap formed in the stolen rear road of well lid; In addition, because the stolen article very easily caused in subterranean pipe line of well lid are lost or damage, as the cable in the subterranean pipe line of electric power or communication section or pipe fitting etc.; The imperfection of manhole cover anti-theft measure not only increases the expense of relevant departments in maintenance, also the corresponding expense causing the departments such as electric power, communication and tap water strengthens, simultaneously, due to loss and the damage of well lid, threaten again the safety of pedestrian or the vehicle of walking on road, cause unnecessary loss therefore to country and the common people, namely cause waste and the loss economically of unnecessary manpower and materials accordingly; Now, the social concern caused by the problem of well lid safety, has become a major hidden danger in urban safety.
In Chinese Patent Application No.: disclose a kind of anti-stealing manhole cover in 201310339915, comprise inspection well cover framework 111 and inspection well cover lid 311 etc., can the flexible antitheft traverse latch etc. of turn owing to being equipped with anti-theft screw and being equipped with for 313 times in inspection well cover bottom surface on inspection well cover lid 311, and be respectively furnished with its assembly and Disassembly special tool, unless made outside its special tool of this technical scheme, namely other any instruments all cannot be installed and removed, thus reach can be very antitheft object.But this technical scheme complex structure, cost is high, and operation inconvenience, also can't resolve the problem of " rust protection " of well lid.
In Chinese Patent Application No.: disclose a kind of well lid in public arena that can make relating to road administration facility field in 201010501429 and possess the manhole antitheft lock of anti-theft feature, described manhole antitheft lock forms a whole set of lockset by locking frame, spring, movable post, locking bolt, removable pin, steady pin and key clamp, and adopts the key supporting with lockset to open or theftproof lock described in locking; During enforcement, by by described manhole antitheft lock and corresponding well lid is supporting produces afterwards simultaneously, or produce separately described manhole antitheft lock according to existing well lid, can use middle in public for this well lid after then corresponding part being fixedly installed to the supporting well lid back side.This technical scheme complex structure, cost is high.
In Chinese Patent Application No.: disclose a kind of anti-theft and waterproof drain well cover in 201010265969, its upper surface keeps to the side uniform two round pools, and there is circular hole round pool center; Screw is screwed in the walling crib screw in build-in ground through this two circular hole, and well lid walling crib is connected; Plug welding locking plate on head of screw, manpower hand-held tool cannot open manhole cover.Inspection shaft manage household affairs available cutting equipment excision plug welding locking plate after, unload screw with box spanner, then lift covers with T-shaped hook.This well lid does not have open hole, aluminium backing on head of screw underlay, and it is just waterproof that well lid and walling crib binding face fill plastic sealing water.This technical scheme complex structure, can't resolve the problem of well lid " rust protection ".
Summary of the invention
For the problems referred to above, the invention provides a kind of anti-theft effect obvious, and the simple well lid of structure and pulling-up device thereof and using method.
In order to solve the problem, technical scheme provided by the invention is:
A kind of well lid pulling-up device, well lid comprises manhole cover body, described manhole cover body has straight wall blind hole; Described straight wall blind hole is provided with cover plate, described cover plate and described manhole cover body hinged; Comprise first, second side plate, first, second connecting rod, first, second connecting rod described is hinged with first, second side plate described respectively; First, second side plate described and first, second connecting rod described form parallel four-bar linkage; When described parallel four-bar linkage is orthogonal, the distance of first, second side plate described separately between outside is greater than the diameter of described straight wall blind hole; When described parallel four-bar linkage inserts described straight wall blind hole, described first connecting rod and horizon form angle α, described α is less than or equal to the angle of friction β of first, second side plate described and described manhole cover body, β=arctan f, described f are described friction factor between first, second side plate and described manhole cover body.
The external surface of first, second side plate described is outer convex.
Well lid pulling-up device, also comprises third connecting rod, described third connecting rod and first, second side plate described hinged, described third connecting rod is parallel with first, second connecting rod described, and is arranged between first, second connecting rod described.
Described first side plate is provided with handling device.
The using method of well lid pulling-up device,
(1) first, second side plate described is inserted in described straight wall blind hole;
(2) adjustment first, second side plate position described, allows α≤β, and this timer and described manhole cover body self-locking are integrated;
(3) upwards promoted by described handling device, make described manhole cover body and well lid base-separation.
Compared with prior art, beneficial effect of the present invention is:
(1) manhole cover body due to design has straight wall blind hole, and other apparatuses do not have stress point, are difficult to extract well lid, only have and could extract by special pulling-up device, so anti-theft function of the present invention clearly.
(2) words that well lid gets rusty can increase friction factor, easier self-locking, so parallel four-bar linkage effectively solves " rust protection " problem.
(3) manhole cover anti-theft self-locking mechanism adopts parallel―ordinal shift structure, and condition of self-locking easily meets, and self-locking reliability is high, and easily unlocks.
(4) well lid of the present invention, pulling-up device structure is simple, cost is low, easy to use, has practical value widely.
Accompanying drawing explanation
Fig. 1 is the top view of well lid of the present invention;
Fig. 2 is parallel four-bar linkage self-locking parameter schematic diagram of the present invention;
Fig. 3 is stereogram of the present invention;
Fig. 4 is that apparatus of the present invention prepare to insert the structural representation in the straight wall blind hole of well lid;
Fig. 5 is the structural representation that apparatus of the present invention insert in the straight wall blind hole of well lid;
Fig. 6 is the structural representation that the present invention pulls up well lid.
In figure: 1, manhole cover body, 2, hinge, 3, cover plate, 4, straight wall blind hole, the 5, first side plate, the 6, second side plate, 7, first connecting rod, 8, second connecting rod, 9, third connecting rod, 10, handling device.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention will be further described:
Composition graphs 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, a kind of well lid of the present invention, comprises manhole cover body 1, manhole cover body 1 has straight wall blind hole 4; Owing to manhole cover body 1 having straight wall blind hole 4, other apparatuses do not have stress point, are difficult to extract well lid, only have and could extract by special pulling-up device, so anti-theft function clearly.Straight wall blind hole 4 is provided with cover plate 3, and cover plate 3 is connected with manhole cover body 1 by hinge 2; Under normal circumstances straight wall blind hole 4 is covered, thus do not affect the safety of normal pedestrian, driving.
The pulling-up device of described well lid, comprise the first side plate 5, second side plate 6, first connecting rod 7, second connecting rod 8, first, second connecting rod is hinged with first, second side plate respectively; First, second side plate and first, second connecting rod form parallel four-bar linkage; When parallel four-bar linkage is orthogonal, the distance of first, second side plate described separately between outside is greater than the diameter of straight wall blind hole 4; When parallel four-bar linkage inserts straight wall blind hole 4, first connecting rod 7 and horizon form angle α, α is less than or equal to the angle of friction β of first, second side plate and manhole cover body 1, and β=arctan f, f are the friction factor between first, second side plate and manhole cover body 1 material; Allow device and manhole cover body 1 produce self-locking and to be connected as a single entity by such design, conveniently pull up well lid.The words that well lid gets rusty can increase friction factor, easier self-locking, so parallel four-bar linkage effectively solves " rust protection " problem.And the condition of self-locking of parallel―ordinal shift structure easily meets, self-locking reliability is high, and easily unlocks.
Preferably, the external surface of first, second side plate is outer convex; Increase the contact area of first, second side plate described and manhole cover body 1.
Preferably, also comprise third connecting rod 9, third connecting rod 9 is hinged with first, second side plate, and third connecting rod 9 is parallel with first, second connecting rod, and is arranged between first, second connecting rod.
Preferably, the first side plate 5 is provided with handling device 10, conveniently pulls up well lid.
The using method of described device:
(1) first, second side plate is inserted in described straight wall blind hole 4;
(2) adjust first, second side plate position, allow α≤β, this timer and manhole cover body 1 self-locking are integrated;
(3) upwards promoted by handling device 10, due to device and manhole cover body 1 self-locking, as long as lifting force is greater than the frictional force between manhole cover body 1 and well lid pedestal, manhole cover body 1 will move upward with device and and well lid base-separation.
More than show and describe general principle of the present invention, principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and manual just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (5)
1. a well lid pulling-up device, well lid comprises manhole cover body, it is characterized in that: described manhole cover body has straight wall blind hole; Described straight wall blind hole is provided with cover plate, described cover plate and described manhole cover body hinged; Comprise first, second side plate, first, second connecting rod, first, second connecting rod described is hinged with first, second side plate described respectively; First, second side plate described and first, second connecting rod described form parallel four-bar linkage; When described parallel four-bar linkage is orthogonal, the distance of first, second side plate described separately between outside is greater than the diameter of described straight wall blind hole; When described parallel four-bar linkage inserts described straight wall blind hole, described first connecting rod and horizon form angle α, described α is less than or equal to the angle of friction β of first, second side plate described and described manhole cover body, β=arctan f, described f are described friction factor between first, second side plate and described manhole cover body.
2. well lid pulling-up device according to claim 1, is characterized in that: the external surface of first, second side plate described is outer convex.
3. well lid pulling-up device according to claim 1, it is characterized in that: also comprise third connecting rod, described third connecting rod and first, second side plate described hinged, described third connecting rod is parallel with first, second connecting rod described, and is arranged between first, second connecting rod described.
4. well lid pulling-up device according to claim 1, is characterized in that: described first side plate is provided with handling device.
5. the using method of well lid pulling-up device according to claim 4, is characterized in that:
(1) first, second side plate described is inserted in described straight wall blind hole;
(2) adjustment first, second side plate position described, allows α≤β, and this timer and described manhole cover body self-locking are integrated;
(3) upwards promoted by described handling device, make described manhole cover body and well lid base-separation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410007276.2A CN103726512B (en) | 2014-01-07 | 2014-01-07 | A kind of well lid and pulling-up device thereof and using method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410007276.2A CN103726512B (en) | 2014-01-07 | 2014-01-07 | A kind of well lid and pulling-up device thereof and using method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103726512A CN103726512A (en) | 2014-04-16 |
| CN103726512B true CN103726512B (en) | 2015-09-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410007276.2A Expired - Fee Related CN103726512B (en) | 2014-01-07 | 2014-01-07 | A kind of well lid and pulling-up device thereof and using method |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104294854A (en) * | 2014-10-27 | 2015-01-21 | 安徽省科普产品工程研究中心有限责任公司 | Anti-theft well cover and self-locking extracting device thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0999311A1 (en) * | 1998-11-03 | 2000-05-10 | Josef Hammer | Manhole cover for dust tight closure of manholes, in particular for wells |
| CN2740669Y (en) * | 2004-09-22 | 2005-11-16 | 常应祥 | Safety manhole cover |
| CN201195299Y (en) * | 2008-03-18 | 2009-02-18 | 中冶宝钢技术服务有限公司 | Tube seat top-pushing device |
| CN101440623A (en) * | 2007-11-23 | 2009-05-27 | 辽宁省水利水电科学研究院 | Cipher well lid |
| KR101067610B1 (en) * | 2009-08-13 | 2011-09-27 | 이병상 | hinge type double manhole cover |
| CN202627030U (en) * | 2012-06-29 | 2012-12-26 | 上海海事大学 | Sewage well lid with handle |
| CN203729337U (en) * | 2014-01-07 | 2014-07-23 | 安徽理工大学 | Well lid and pulling-up device thereof |
-
2014
- 2014-01-07 CN CN201410007276.2A patent/CN103726512B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0999311A1 (en) * | 1998-11-03 | 2000-05-10 | Josef Hammer | Manhole cover for dust tight closure of manholes, in particular for wells |
| CN2740669Y (en) * | 2004-09-22 | 2005-11-16 | 常应祥 | Safety manhole cover |
| CN101440623A (en) * | 2007-11-23 | 2009-05-27 | 辽宁省水利水电科学研究院 | Cipher well lid |
| CN201195299Y (en) * | 2008-03-18 | 2009-02-18 | 中冶宝钢技术服务有限公司 | Tube seat top-pushing device |
| KR101067610B1 (en) * | 2009-08-13 | 2011-09-27 | 이병상 | hinge type double manhole cover |
| CN202627030U (en) * | 2012-06-29 | 2012-12-26 | 上海海事大学 | Sewage well lid with handle |
| CN203729337U (en) * | 2014-01-07 | 2014-07-23 | 安徽理工大学 | Well lid and pulling-up device thereof |
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| Publication number | Publication date |
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| CN103726512A (en) | 2014-04-16 |
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Granted publication date: 20150930 Termination date: 20190107 |