CN105756093A - Hinged manhole cover-grate device - Google Patents
Hinged manhole cover-grate device Download PDFInfo
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- CN105756093A CN105756093A CN201410780924.8A CN201410780924A CN105756093A CN 105756093 A CN105756093 A CN 105756093A CN 201410780924 A CN201410780924 A CN 201410780924A CN 105756093 A CN105756093 A CN 105756093A
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Abstract
The device belongs to a hinged manhole cover-grate device applied in the underground pipeline, trench, and route staple shafts; the hinged manhole cover-grate device with the cover surface only having lift holes is used for sealing the staple shaft cover; the hinged manhole cover-grate device with the grated-hole cover surface is used for sealing the draining staple shaft; the hinged manhole cover-grate device mainly comprises a manhole cover, a grate and a cover frame, mainly solves the problems of missing manhole cover-grate, and can provide anti-displacement and pedestrian anti-fall functions; the manhole cover, the grate and the cover frame are hinged by a hinge structure mainly comprising a hinge groove, a hinge block and a pin shaft, thus providing anti-missing function; a limit block is arranged in the hinge groove; in addition, a manhole cover notch and a cover frame notch are provided; a rotary shaft penetrates the manhole cover notch and is fixed with a half-circle block, both of which are provided with anti-displacement function; a lower cover frame and a lower manhole cover-grate are arranged under the cover frame; a plurality of uneven hooks are arranged below the manhole cover-grate; the cover frame is also provided with notches matched with the hooks; the lower cover frame and the lower manhole cover-grate are hinged by a lower hinge structure mainly comprising a lower hinge groove, a lower hinge block and a lower pin shaft, and said structures respectively have anti-falling function.
Description
Technical field
This device belongs to the well lid of staple shaft, the grate devices such as underground piping, irrigation canals and ditches, circuit.
Background technology
The radial type well lid of staple shaft, the grate devices such as existing pipeline, irrigation canals and ditches, circuit, major part is hinged by articulated structure by well lid and cage, plays and closes staple shaft and do not interfere with the effect of traffic pedestrian, and articulated structure plays well lid, grate to be prevented preferably from mistake effect.The well lid of above-mentioned articulated structure, the design of grate device and maker be many all design make well lid, grate forms the obtuse angle shape more than right angle with cage when renovating, well lid is made free fall to reset, go into the well work in order to specialty maintainer, but well lid close often because of in staple shaft vapour pressure senior general well lid rush exceed free fall angle and can not free fall reset, cause staple shaft entirely to open wide；Various reasons is had to make well lid, grate damage and also can form staple shaft entirely open wide from losing again, thus accidentally falling down-hole when causing pedestrian to pass by herein and bringing disaster to into casualty accident and wheel of vehicle falls into and causes vehicle damage accident in well.Owing to the defect of this kind of well lid, grate causes above-mentioned accident to occur frequently, government affairs department and society are all expected to have and are overcome the well lid of above-mentioned deficiency, grate device occur and arrange, to avoid and the generation of minimizing accident.
This device be exactly for solving above-mentioned well lid, the deficiency of grate device and provide two kinds have and prevent preventing from mistake, anti-displacement, the bilayer one of Anti-falling structure and double-deck two radial type well lids, grate device from the monolayer one of anti-displacement structure of becoming estranged and monolayer two radial type well lid, grate device and two kinds.
Summary of the invention
The purpose of this device so completes: the articulated structure that monolayer one radial type well lid, the well lid of grate device, grate (2) are made up of articulation block (8), articulation block fraising (22), ledge (23), ledge fraising (24), hinge groove (25), bearing pin (21) with cage (3) is hinged, and it is characterized in that being provided with limited block (1) in hinge groove (25).
Monolayer two radial type well lid, grate device, including the well lid described in monolayer one, grate (2) and cage (3) are by articulation block (8), articulation block fraising (22), ledge (23), ledge fraising (24), hinge groove (25), the articulated structure that bearing pin (21) forms is hinged, separately add and be characterized by well lid, grate (2) is provided with well lid notch (12), cage (3) is provided with cage notch (17), it has and turns hole (19), rotating shaft (14) penetrates the centre bore (18) turning hole (19) and half garden block (13), half garden block (13) and rotating shaft (14) fix, rotating shaft (14) is arranged above with rotating shaft groove (16)；Cage notch (17) is arranged above with cage groove (20), and it and rotating shaft groove (16) stud with anti-rotation bar (15) altogether；Monolayer two also includes being provided with limited block (1) in hinge groove (25) described in monolayer one.
Above-mentioned monolayer one, two radial type well lid, grate device are all provided with support slot (11) at cage (3).
Double-deck a radial type well lid, grate device, the articulated structure being made up of articulation block (8), articulation block fraising (22), ledge (23), ledge fraising (24), hinge groove (25), bearing pin (21) with cage (3) including the well lid described in monolayer one, grate (2) is hinged.Separately adding and be characterized by that cage (3) is arranged below lower floor's cage (4), it is arranged above with lower floor's well lid, grate (7)；Lower floor's well lid, grate (7) are arranged below the quantity multiple hooks (5) no less than 2, and lower floor's cage (4) is also provided with the notch (26) relative with hook (5) position；Hook (5) and notch (26) relative populations 3 and above time, arrange by not decile.
Double-deck two radial type well lids, grate device, including the well lid described in monolayer one, grate (2) and cage (3) are by articulation block (8), articulation block fraising (22), ledge (23), ledge fraising (24), hinge groove (25), the articulated structure that bearing pin (21) forms is hinged and lower floor cage (4) is arranged below at cage (3) described in double-deck one, it is arranged above with lower floor's well lid, grate (7), separately add and be characterized by lower floor's well lid, grate (7) and lower floor's cage (4) are by lower articulation block (31), lower articulation block fraising (35), lower ledge (30), lower ledge fraising (33), lower hinge groove (34), the lower articulated structure that lower bearing pin (28) forms is hinged；It is provided with lower position block (27) in lower hinge groove (34)；Lower floor's cage (4) is provided with lower support groove (29).
The radial type well lid of above-mentioned double-deck one and double-deck two, grate device all contain respectively monolayer one and monolayer two radial type well lid, grate device be provided with limited block (1) cutting with scissors in groove (25)；Well lid, grate (2) are provided with well lid notch (12), cage (3) is provided with cage notch (17), it has and turns hole (19), rotating shaft (14) penetrates the centre bore (18) turning hole (19) and half garden block (13), half garden block (13) and rotating shaft (14) fix, and rotating shaft (14) is arranged above with rotating shaft groove (16)；Cage notch (17) is arranged above with cage groove (20), and it and rotating shaft groove (16) stud with anti-rotation bar (15) altogether；Cage (3) is provided with support slot (11).
Above-mentioned double-deck one with double-deck two radial type well lid, grate device compared with existing radial type well lid, grate device, there is articulated structure and prevent the three anti-functions from limited block of becoming estranged (1) isostructural anti-displacement and lower floor's well lid, grate (7) fall arrest.
Accompanying drawing explanation
This device is described in detail below in conjunction with embodiment shown in the drawings.
Fig. 1 is the top view of radial type well lid, grate device；
Fig. 2 is the A-A profile of radial type well lid, grate device；
Fig. 3 is I enlarged drawing of radial type well lid, grate device；
Fig. 4 is the B-B profile of radial type well lid, grate device；
Fig. 5 is the C-C profile of radial type well lid, grate device；
Fig. 6 is the D-D profile of radial type well lid, grate device；
Fig. 7 is radial type well lid, the square well cover of grate device, grate top view；
Fig. 8 is the A direction view of radial type well lid, grate device；
Fig. 9 is radial type well lid, the radial type lower floor well lid of grate device, grate top view；
Figure 10 is radial type well lid, the radial type lower floor well lid of grate device, grate E-E profile；
Figure 11 is radial type well lid, the radial type lower floor well lid of grate device, grate F-F profile.
Detailed description of the invention
When this device well lid, grate (2) and lower floor's well lid, grate (7) are for staple shaft well lid, capping is except being provided with hole of rising and falling (10) and lower cover rises and falls except hole (6), and all the other can be totally-enclosed；During for draining, capping makes grate hole.For strengthening the intensity of well lid, grate (2), it is provided with a plurality of enhancing muscle below.This device can be made into circular, square or rectangle, and square and rectangle can be made into two groups and is oppositely arranged.This apparatus structure is divided into monolayer one, two and double-deck one, two.
The articulated structure that monolayer one radial type well lid, the well lid of grate device, grate (2) are made up of articulation block (8), articulation block fraising (22), ledge (23), ledge fraising (24), hinge groove (25), bearing pin (21) with cage (3) is hinged.Setting one group when this articulated structure is for this device of circular, referring to Fig. 7, can set one group or two groups during for square or this device of rectangle, this articulated structure has anti-theft feature preferably.Bearing pin (21) passes through ledge fraising (24) and articulation block fraising (22) of two sides ledge (23), bearing pin (21) can use bearing pin standard component, also can with plain bolt or rivet, its one end cushioning circle being welded and fixed during with standard component bearing pin (21), when using bolt, nut and screw rod are preferably welded and fixed mutually, when using rivet, the die of rivet one end will as far as possible more than the diameter of ledge fraising (24), and above measure favorably strengthens theftproof performance.The design of existing articulated structure and maker all leave a little space between ledge (23) and the articulation block (8) of hinge groove (25) one end, in order to turning over well lid, surmounting them during grate (2) can not free fall be convenient under professional well servicing, the well lid of this articulated structure, though grate device has anti-theft feature preferably, but in use Chang Yin staple shaft vapour pressure senior general well lid once in a while, grate (2) has rushed and has exceeded free fall angle and can not reset, form staple shaft entirely to open wide, once pedestrian or vehicle on road are out-of-date, particularly flood covers well lid, under the altitudes that grate (2) erects, do not know have the full staple shaft opened wide to fall into and in well, cause casualties or vehicle damage accident herein.In hinge groove (25), it is provided with limited block (1) for this this device, referring to Fig. 1 and Fig. 2, Fig. 3 and Fig. 6, three ledges (23) of cage (3) one end form hinge groove (25), an oblique or rectangular larger space groove is formed between articulation block (8) and the end face ledge (23) of well lid, grate (2) one end in hinge groove (25), this groove is a part for hinge groove (25), wherein put into limited block (1) and urgent, reach there is no space between articulation block (8) and end face ledge (23).Limited block (1) can set one or a few, can be easy to for several pieces regulate the height of dehiscing that well lid, grate (2) are dug.Articulation block (8) angle, lower end can be semicircle, and upper corners is right angle or the obtuse angle shape more than right angle.When staple shaft vapour pressure favourable opposition once in a while plays well lid, grate (2) or artificially starts, well lid, grate (2) namely carry out turning turning over centered by bearing pin (21), owing to being provided with limited block (1) in hinge groove (25), between articulation block (8) and end face ledge (23), there is no space；There is the centre distance of articulation block (8) upper corners centre distance with bearing pin (21) end face more than articulation block (8) and bearing pin (21) again, though above-mentioned turn is turned over or artificially starts and well lid, grate (2) can be made somewhat to stir, but by above-mentioned factor restriction and dehiscing of being stirred is only small, once staple shaft vapour pressure reduces, well lid, grate (2) are understood free fall and are resetted, therefore this device arranges the effect of limited block (1) and can reach the purpose of well lid, grate (2) anti-displacement, thus avoiding pedestrian accidentally to fall into the casualty accident brought disaster in well and vehicle damage accident.When taking out limited block (1), well lid, grate (2) can start and exceed free fall angle, in order to maintainer enters well work.Take out limited block (1) for convenience, be provided with sled mouth (9) on its both sides.The material manufacturing limited block (1) can with metal or nonmetal.
Monolayer two radial type well lid, grate device, the articulated structure being made up of articulation block (8), articulation block fraising (22), ledge (23), ledge fraising (24), hinge groove (25), bearing pin (21) with cage (3) including the well lid described in monolayer one, grate (2) is hinged.Separately adding technical characteristic is be provided with well lid notch (12) at well lid, grate (2), cage (3) is provided with cage notch (17), it has and turns hole (19), rotating shaft (14) penetrates the centre bore (18) turning hole (19) and half garden block (13), half garden block (13) and rotating shaft (14) fix, and rotating shaft (14) is arranged above with rotating shaft groove (16).Rotating shaft groove (16) is for specific purpose tool rotating shaft (14), and rotating shaft groove (16) can be rectangle, also can change triangle or other shape into, in a word not easily by layman with without specific purpose tool rotating shaft (14).Half garden block (13) and rotating shaft (14) available taper connection fix with keyless and spline connection.The material of rotating shaft (14) is tried one's best with rustless steel and has the etch-proof metal of some strength or nonmetal manufacture.Turn in hole (19) and also can tumble in the lining stating anticorrosive, in case with the passing of time rotating shaft (14) and turn hole (19) corrosion and can not or not easily rotate.When half garden inserting rotating shaft groove (16) Shi Ban garden block (13) with specific purpose tool is forwarded in well lid notch (12) by cage notch (17), well lid, grate (2) are taken off not open with the stop of half garden block (13) below by well lid notch (12), Zai Jiangban garden block (13) all forward to cage notch (17) interior time, just can open well lid, grate (2).It is arranged above with cage groove (20) at cage notch (17), it and rotating shaft groove (16) stud with anti-rotation bar (15) altogether, the effect of anti-rotation bar (15) is to prevent artificial or naturally rotate half garden block (13), and its material can use the on-metallic articles such as metal or the rubber of anti-corrosion.Said structure part can reach the purpose of well lid, grate (2) anti-displacement, to prevent because in staple shaft, vapour pressure senior general well lid, grate (2) have rushed and exceeded free fall angle, form staple shaft entirely to open wide, cause pedestrian accidentally to fall into the casualty accident brought disaster in well and vehicle damage accident.Monolayer two radial type well lid, grate device also include being provided with limited block (1) in hinge groove (25) described in monolayer one, and its effect is identical with described in monolayer one radial type well lid, grate device.Shape in the space that its hinge groove (25) of product and the articulation block (8) with or without limited block (1) leaves and articulation block (8) is different, during limited location block (1), identical with described in monolayer one, namely between ledge (23) and the articulation block (8) of hinge groove (25) one end, a bigger space is left, limited block (1) it is provided with in this space, the inferior horn of articulation block (8) one end can be semi-circular, and upper angle can be right angle or the obtuse angle shape more than right angle；During infinite place block (1), a little space is only stayed between ledge (23) and the articulation block (8) of hinge groove (25) one end, the upper inferior horn of articulation block (8) can be slightly smaller semi-circular, not affect well lid, grate (2) stir exceed free fall angle, be conducive to professional maintainer to go into the well work.
Above-described monolayer one and monolayer two radial type well lid, grate device are all provided with support slot (11) at cage (3) respectively, this groove is mainly used in special strut support well lid, grate (2), open wide well lid with prophylactic repair personnel, grate (2) go into the well maintenance time staple shaft closed by unexpected lid and affect maintainer and go into the well work and safety.Special pole lower end is placed in support slot (11), and upper end is propped up on the following reinforcement root of well lid, grate (2) or special fulcrum, and special pole can be made into fixed or movable.
A double-deck radial type well lid, grate device is to have the well lid described in monolayer one, grate (2) and cage (3) are by articulation block (8), articulation block fraising (22), ledge (23), ledge fraising (24), hinge groove (25), on the basis that the articulated structure that bearing pin (21) forms is hinged, add and lower floor cage (4) is arranged below at cage (3), it is arranged above with lower floor's well lid, grate (7), which forms radial type Double-layer drain cover, grate device, thus can prevent because of vapour pressure senior general well lid once in a while in staple shaft, grate (2) has rushed formation staple shaft and has entirely opened wide and well lid, grate (2) accidental damage or the pedestrian caused from mistake accidentally fall in well and bring disaster to into casualty accident and vehicle damage accident.Embodiment shown in Figure 2, lower floor's cage (4) and cage (3) can be made as one, also can separate with cage (3) and individually be provided below at cage (3).Lower floor's well lid, grate (7) can be made into circular, square or rectangle, take off for facility and are covered with lower cover and rise and fall hole (6), can add enhancing muscle below.Lower floor's cage (4) interior mouth-shaped changes with lower floor's well lid, the circular of grate (7), change of shape square, rectangular, and internal orifice is less than the external diameter of lower floor's well lid, grate (7).For preventing lower floor's well lid, grate (7) from coordinating displacement with lower floor's cage (4) or from mistake, lower floor's well lid of circular, grate (7) are arranged below the quantity multiple hooks (5) no less than 2, lower floor's cage (4) is also provided with the notch (26) relative with hook (5) position, and its quantity is identical with hook (5).Hook (5) can be cast as one with lower floor well lid, grate (7) or separately fabricated bolt and other method of attachment fix with lower floor's well lid, grate (7).When the hook (5) of 2 pairs and above quantity and notch (26) are arranged by decile relative position, lower floor's well lid, grate (7) and lower floor's cage (4) match after installation, lower floor's well lid is inserted with specific purpose tool, the lower cover of grate (7) rises and falls hole (6), rotate lower floor's well lid, grate (7), hook (5) is made to forward to below lower floor's cage (4) internal orifice and away from notch (26), this condition is owing to the opposite outside diameter of hook (5) is more than the internal diameter of lower floor's cage (4), and lower floor's well lid, grate (7) is blocked when up uncovering, play lower floor's well lid, the effect that grate (7) is up directly taken off not open, only hook (5) aligned notches (26) just can be opened, thus reaching lower floor's well lid, grate (7) and lower floor's cage (4) not easily shift and not easily from the purpose lost.In order to improve lower floor's well lid, the anti-displacement of grate (7) and the performance prevented from mistake, hook (5) and notch (26) relative populations 3 and above time, arrange by not decile, owing to rotating lower floor's well lid, grate (7), hook (5) is made to produce hook (5) away from former installation site poor with the relative position of notch (26), as opened lower floor's well lid, during grate (7), the former installation site only returning to hook (5) and notch (26) just can be opened, even if otherwise separately having a hook (5) and notch (26) relative Ye Jiebukai lower floor well lid, grate (7), it than hook (5) and notch (26) relative populations 2 and above time decile arrange prevent from losing effective, therefore be potential difference self-locking.Hook (5) and notch (26) relative populations are more, its self-locking effect is more good, but not ad infinitum increase, when not affecting self-locking effect, arranging quantity depending on manufacturing process and the factor such as cost and use and maintenance facility, the setting of accompanying drawing 1 and 5 shown in accompanying drawing 8 pair hook (5) and notch (26) is namely preferred a kind of embodiment.For using unit installation and maintenance convenient, being arranged above with inconvenience disclosed identification labelling at lower floor's well lid, grate (7) and lower floor's cage (4), this identification labelling only has designer and maker and uses the professional of unit just to know.When hook (5) is away from notch (26), use unit professional by identifying that labelling specific purpose tool inserts lower cover hole (6) of rising and falling and forwards alignment hook (5) and the former installation site of notch (26) to, namely lower floor's well lid, grate (7) are promptly opened, layman wants to open lower floor's well lid, grate (7), both without specific purpose tool, when not knowing to identify labelling again, it is difficult to open rapidly lower floor's well lid, grate (7), therefore this potential difference self-locking is like a coded lock, thus reach improve lower floor's well lid, grate (7) anti-displacement and prevent from the purpose lost.Be arranged above with decorative pattern when lower floor's well lid, grate (7) are for well lid, and with identify that labelling matches, fit form is by using unit different and requirement can be varied, to upset the identification ability stealing lid person and its theftproof performance of raising and attractive in appearance.
Double-deck two radial type well lids, grate device is also have the well lid described in monolayer one, grate (2) and cage (3) are by articulation block (8), articulation block fraising (22), ledge (23), ledge fraising (24), hinge groove (25), the articulated structure that bearing pin (21) forms be hinged and double-deck one lower floor cage (4) is arranged below at cage (3), it is arranged above with on the basis of lower floor's well lid (7), one group of articulated structure is added below cage (3), referring to Fig. 9, 10, 11, lower floor's well lid, grate (7) and lower floor's cage (4) are by lower articulation block (31), lower articulation block fraising (35), lower ledge (30), lower ledge fraising (33), lower strand groove (34), the lower articulated structure that lower bearing pin (28) forms is hinged.This articulated structure is identical with the articulated structure of upper strata well lid, grate (2) and cage (3), and its performance is also identical, constitutes the radial type well lid of double deck hinged structure, grate device.Lower floor's articulated structure Main Function is the falling accident preventing above-described pedestrian and vehicle.Identical with upper strata articulated structure, this articulated structure only sets one group on circular lower floor well lid, grate (7) and lower floor's cage (4), and square or rectangle can set one group or two groups.To arrange limited block (1) identical with upper strata well lid, grate (2) and cage (3), it is provided with lower position block (27), to limit staple shaft pressure Chong Qi lower floor well lid, grate (7) less than the angle of free fall in the lower hinge groove (34) that three lower ledges (30) of lower floor's cage (4) one end are formed.Taking out lower position block (27) for convenience, its both sides are provided with down plays sled mouth (32).Going into the well maintenance for ease of professional, one identical with double-deck, lower floor's well lid, grate (7) are again provided with lower cover and rise and fall hole (6).Lower floor's cage (4) is provided with lower support groove (29), and its effect acts on identical with the support slot (11) described in above-mentioned monolayer one and monolayer two.
Above-mentioned double-deck one and double-deck 2 two kinds of double deck hinged type well lids, grate device be provided with respectively and in hinge groove (25), be provided with limited block (1) described in monolayer one and monolayer two radial type well lid, grate device；Well lid, grate (2) are provided with well lid notch (12), cage (3) is provided with cage notch (17), it has and turns hole (19), rotating shaft (14) penetrates the centre bore (18) turning hole (19) and half garden block (13), half garden block (13) and rotating shaft (14) fix, and rotating shaft (14) is arranged above with rotating shaft groove (16)；Cage notch (17) is arranged above with cage groove (20), and it and rotating shaft groove (16) stud with anti-rotation bar (15) altogether；Cage (3) is provided with support slot (11).It is identical with described in monolayer one and monolayer two with effect and material therefor that the above arranges its purposes.
Above-mentioned monolayer one, two and double-deck one, two radial type well lids, the main part well lid of grate device, grate (2) and cage (3) and lower floor's cage (4), lower floor's well lid, grate (7) can all cylinder iron or other metal material cast, also can using the nonmetal manufacture of compliant and requirement of strength, part can also be used with the parts hybrid precast of metal and nonmetal manufacture and arranges.By arranging specification and user's requirement can be made into unlike material and this device of intensity heavy, light-duty and size all size.
It is applicable to the staple shafts such as underground piping, irrigation canals and ditches, cable run when this device is for well lid close；It is applicable to sewers, irrigation canals and ditches and staple shaft during for well grate close.Heavy type is applicable to road and the place that motor vehicles passes through, light-duty suitable in the intransitable road of motor vehicles and place.This device have prevent from mistake, anti-displacement, fall arrest function.
Claims (15)
1. the articulated structure that radial type well lid, the well lid of grate device, grate (2) are made up of articulation block (8), articulation block fraising (22), ledge (23), ledge fraising (24), hinge groove (25), bearing pin (21) with cage (3) is hinged, and it is characterized in that being provided with limited block (1) in hinge groove (25).
2. radial type well lid, grate device includes the well lid described in claim 1, grate (2) and cage (3) are by articulation block (8), articulation block fraising (22), ledge (23), ledge fraising (24), hinge groove (25), the articulated structure that bearing pin (21) forms is hinged, separately add and be characterized by well lid, grate (2) is provided with well lid notch (12), cage (3) is provided with cage notch (17), it has and turns hole (19), rotating shaft (14) penetrates the centre bore (18) turning hole (19) and half garden block (13), half garden block (13) and rotating shaft (14) fix, rotating shaft (14) is arranged above with rotating shaft groove (16).
3. radial type well lid according to claim 2, grate device, it is characterized in that cage notch (17) is arranged above with cage groove (20), it studs with anti-rotation bar (15) altogether with rotating shaft groove (16).
4. radial type well lid according to claim 2,3, grate device, it is characterized in that all including in hinge groove (25), being provided with limited block (1) described in claim 1.
5. radial type well lid according to claim 1,2,3,4, grate device, it is characterized in that cage (3) is provided with support slot (11).
6. the articulated structure that radial type well lid, grate device include the well lid described in claim 1, grate (2) is made up of articulation block (8), articulation block fraising (22), ledge (23), ledge fraising (24), hinge groove (25), bearing pin (21) with cage (3) is hinged, separately adding and be characterized by that cage (3) is arranged below lower floor's cage (4), it is arranged above with lower floor's well lid, grate (7).
7. radial type well lid according to claim 6, grate device, it is characterized in that quantity multiple hooks (5) no less than 2 being arranged below at lower floor's well lid, grate (7), lower floor's cage (4) is also provided with the notch (26) relative with hook (5) position.
8. radial type well lid according to claim 7, grate device, when it is characterized in that hook (5) and notch (26) relative populations 3 and be above, arrange by not decile.
9. radial type well lid according to claim 6, grate device, it is characterized in that the lower articulated structure that lower floor's well lid, grate (7) and lower floor's cage (4) are made up of lower articulation block (31), lower articulation block fraising (35), lower ledge (30), lower ledge fraising (33), lower hinge groove (34), lower bearing pin (28) is hinged.
10. radial type well lid according to claim 9, grate device, it is characterized in that being provided with lower position block (27) in lower hinge groove (34).
11. the radial type well lid according to claim 9,10, grate device, it is characterized in that lower floor's cage (4) is provided with lower support groove (29).
12. the radial type well lid according to claim 6,7,8,9,10,11, grate device, it is characterized in that all including in hinge groove (25), being provided with limited block (1) described in claim 1.
13. the radial type well lid according to claim 6,7,8,9,10,11,12, grate device, it is characterized in that all including the well lid described in claim 2, grate (2) is provided with well lid notch (12), cage (3) is provided with cage notch (17), it has and turns hole (19), rotating shaft (14) penetrates the centre bore (18) turning hole (19) and half garden block (13), half garden block (13) and rotating shaft (14) fix, and rotating shaft (14) is arranged above with rotating shaft groove (16).
14. radial type well lid according to claim 13, grate device, it is characterized in that the cage notch (17) included described in claim 3 is arranged above with cage groove (20), it and rotating shaft groove (16) stud with anti-rotation bar (15) altogether.
15. the radial type well lid according to claim 12,13,14, grate device, it is characterized in that the cage (3) all included described in claim 5 is provided with support slot (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410780924.8A CN105756093A (en) | 2014-12-17 | 2014-12-17 | Hinged manhole cover-grate device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410780924.8A CN105756093A (en) | 2014-12-17 | 2014-12-17 | Hinged manhole cover-grate device |
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| Publication Number | Publication Date |
|---|---|
| CN105756093A true CN105756093A (en) | 2016-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410780924.8A Pending CN105756093A (en) | 2014-12-17 | 2014-12-17 | Hinged manhole cover-grate device |
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| CN (1) | CN105756093A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11008728B2 (en) | 2018-05-26 | 2021-05-18 | Caswick Limited | Manhole device |
| US11268271B2 (en) * | 2016-09-12 | 2022-03-08 | Zurn Industries, Llc | Adjustable floor drain |
Citations (9)
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| CN2223307Y (en) * | 1994-12-09 | 1996-03-27 | 阎乃京 | Potential difference type self-locking cover for manhole |
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| CN2844227Y (en) * | 2005-09-30 | 2006-12-06 | 保定恒沣铸造有限公司 | Vertical self-locking anti-stealing manhole cover |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11268271B2 (en) * | 2016-09-12 | 2022-03-08 | Zurn Industries, Llc | Adjustable floor drain |
| US11828055B2 (en) | 2016-09-12 | 2023-11-28 | Zurn Industries, Llc | Adjustable floor drain and method of installation |
| US11008728B2 (en) | 2018-05-26 | 2021-05-18 | Caswick Limited | Manhole device |
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Application publication date: 20160713 |