CN202115919U - Manhole - Google Patents
Manhole Download PDFInfo
- Publication number
- CN202115919U CN202115919U CN2011201330072U CN201120133007U CN202115919U CN 202115919 U CN202115919 U CN 202115919U CN 2011201330072 U CN2011201330072 U CN 2011201330072U CN 201120133007 U CN201120133007 U CN 201120133007U CN 202115919 U CN202115919 U CN 202115919U
- Authority
- CN
- China
- Prior art keywords
- manhole
- joist
- sleeve
- manhole cover
- limb
- 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 - Lifetime
Links
- 238000007789 sealing Methods 0.000 description 9
- 238000003466 welding Methods 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 210000003454 tympanic membrane Anatomy 0.000 description 1
Images
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- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The utility model discloses a manhole, including a manhole shell ring and a manhole cover (10); a joist (7) is provided on the manhole cover (10); the joist (7) is L-shaped; a horizontal pole of the joist (7) is located under the manhole cover (10) and supports the manhole cover (10); a telescope feed supporting system is provided on an outer wall of the manhole shell ring; a vertical pole of the joist (7) is perpendicularly arranged on a side face of the manhole with the aid of the telescope feed supporting system; and the manhole cover (10) is able to rotate on a horizontal plane about a central shaft of the vertical pole of the joist (7). According to the utility model, the manhole cover can rotate on the horizontal plane, thereby facilitating opening and closing the manhole and reducing working strength and difficulty of an operator or a maintainer.
Description
Technical field
The utility model relates to field of petrochemical industrial, says further, relates to a kind of manhole, is applicable to the main equipment of bottom band manhole.
Background technology
In the equipment of band bottom manhole, spherical tank is a kind of spherical reservoir vessel, is made up of annexes such as spherical shell, pillar, the mouths of pipe, sees Fig. 1.Influenced by the constructional feature of spherical tank, the equal centralized arrangement of all technology mouths of pipe on the spherical tank is at the two poles of the earth band up and down, and the flange sealing surface of the mouth of pipe keeps horizontality.For satisfying the requirement of internal overhaul, need a manhole respectively be set in the upper and lower utmost point band center of spherical tank.Because the weight of spherical tank manhole cover can reach more than the 360Kg, last utmost point band manhole also needs mechanisms such as configuration level davit, so that during the opening and closing of fault manhole cover, davit capable of using suspends manhole cover in midair.Horizontal davit is seen Fig. 2, is made up of parts such as davit, suspension hook, suspension ring and nut and stay bearing plates, gains the name because of making on the manhole cover horizontal suspension davit above it.
The bottom manhole can't use common horizontal davit owing to be inverted the characteristics that (man-hole opening is opened, and manhole cover is at bottommost) is installed down, so the normal rotary cap axle ear that adopts is seen Fig. 3-1 and Fig. 3-2.Rotary cap axle ear mainly is made up of axle ear, axis of revolution, pin etc., and the weight that is characterized in manhole cover is not suspended in midair or is supported in other mechanisms, just is connected to simply on the manhole flange through axle ear and axle; Therefore; When opening manhole cover, manhole cover needs shown in Fig. 3-1, to turn over downwards to turn 90 degrees, similarly; When closing manhole, manhole cover need upwards turn over and turn 90 degrees.
In practical operation, the manhole of taking back hub cap axle ear in use exists following not enough at least:
1, opens, seals manhole inconvenience, effort.To the manhole of nominal diameter 600 commonly used, its manhole cover weight is at least 360Kg, is opening when especially sealing manhole cover, make manhole cover overcome gravity and revolve that to turn 90 degrees and tighten double-screw bolt be not the thing that the individual can independently accomplish;
2, be unfavorable for protecting the manhole sealing surface.After the unlatching, towards manhole, its sealing surface receives the destruction of service personnel or facility to the manhole cover sealing surface easily in vertical plane surface;
The utility model content
For solving the problem that exists in the prior art; The utility model provides a kind of manhole, is applicable to the main equipment of bottom band manhole, can realize horizontally rotating of manhole cover; The convenient unlatching and the sealing manhole reduced the working strength and the difficulty of operation or service personnel.
The purpose of the utility model provides a kind of manhole.
Comprise: manhole shell ring and manhole cover 10,
Described manhole shell ring comprises: manhole flange 1 and manhole flange 11;
Said manhole cover 10 is provided with joist 7; Said joist 7 is " L " type; The horizontal limb of joist 7 is arranged at the following of manhole cover 10 and supports manhole cover 10; Manhole shell ring outer wall is provided with the sleeve-type support system, and the vertical limb of joist 7 is vertically installed in the manhole side through said sleeve-type support system, and can to drive manhole cover 10 be that center shaft rotates in horizontal surface with the vertical limb of joist 7.
Said sleeve-type support system comprises: upper backup pad 3, lower supporting plate 5, sleeve 4 and gusset 6;
Said gusset 6 is a vertical riser, and the one of which side is fixed with the sleeve 4 that stands vertically, and said sleeve 4 is the pipe of internal diameter greater than joist 7 vertical limb external diameters; Sleeve 4 is equal with the upper and lower end face of gusset 6, and the upper surface horizontal fixed of gusset 6 has upper backup pad 3, and the lower surface horizontal fixed of gusset 6 has lower supporting plate 5, and upper backup pad 3 and lower supporting plate 5 are provided with through hole corresponding to the position of sleeve 4 upper and lower end faces; The opposite side of gusset 6 and upper backup pad 3 and lower supporting plate 5 is fixed on the manhole shell ring outer wall;
All greater than the vertical limb external diameter of joist 7, the vertical limb of joist 7 passes the through hole of lower supporting plate 5 for said sleeve 4 internal diameters, through-hole aperture, and pass sleeve 4 and on the through hole of upper backup pad 3, its upper end rotary type is fixed on the upper backup pad 3.
Shown in the vertical limb upper end of joist 7 be fixed on the upper backup pad 3 through screwing in the nut rotary type.
The horizontal limb of said joist 7 supports manhole cover 10 through vertical supporting studs from manhole cover 10 lower surfaces, the vertical limb of joist 7 is provided with the side fixed pedestal manhole cover 10 of the supporting studs of level from manhole cover 10.
The quantity of the supporting studs of the horizontal limb of said joist 7 is two.
For improving intensity, can be provided with reinforced rib in the corner of joist 7 vertical limbs and horizontal limb.
Said supporting studs 9 is rod members of a reducing, and one section is the double-screw bolt section, another section be undergauge, the cross section is orthohexagonal polished rod section; Said double-screw bolt section is perfect thread double-screw bolt or double end stud;
Practical implementation can be adopted following technical scheme:
A kind of manhole comprises manhole flange 1, upper backup pad 3, sleeve 4, lower supporting plate 5, gusset 6, joist 7, supporting studs, manhole cover 10, manhole flange 11 and pad and manhole fastener 12,
" L " t joist 7 " is held " manhole cover 10 through 2 supporting studs on the horizontal limb; And fix and prevent manhole cover 10 deflections with 1 supporting studs of vertical limb side; Joist 7 is supported on manhole flange 1 and the manhole flange 11 through sleeve 4 support systems such as grade, and can to drive manhole cover 10 be that center shaft rotates in horizontal surface with the vertical limb of joist 7.
Described manhole cover 10 is except that fastening through pad and manhole fastener 12 and manhole flange 11; Also be drilled with two screws at the lower surface place; And be fixed to the horizontal limb of joist 7 under it with two supporting studs and nut, realize utilizing joist 7 " to hold " purpose of manhole cover with this;
Described manhole cover 10 still is drilled with 1 screw in the side, and is fixed to the vertical limb of joist 7 with 1 supporting studs and nut, prevents that with this manhole cover from deflecting under joist 7 mode of operations;
Described joist 7 is fixed on the support system of upper backup pad 3, sleeve 4, lower supporting plate 5, gusset 6 compositions through double nuts, and the use of sleeve 4 and double nuts can realize that the horizontal limb of joist 7 rotates around vertical limb in horizontal surface;
When described joist 7 is opened (being that pad and manhole fastener 12 are removed the back) or sealing at manhole cover, but the weight of grantee's port lid 10, and under the effect of extrapolability, drive manhole cover 10 and in horizontal surface, rotate freely;
Described upper backup pad 3 is flat boards that one one side has circular hole, with 1 welding of manhole flange;
Described lower supporting plate 5 is flat boards that one one side has circular hole, with 11 welding of manhole flange;
Described sleeve 4 is interior diameter steel pipes greater than the external diameter of joist 7, with upper backup pad 3 and lower supporting plate 5 welding;
Described gusset 6 is one flat plates, with upper backup pad 3, lower supporting plate 5, sleeve 4, manhole flange 1 and 11 welding of manhole flange;
Described joist 7 is round steel, is shaped as L shaped;
Described joist 7 is having bolt hole with the supporting studs junction, amounts to 3 bolts hole;
After described joist 7 vertical limbs pass lower supporting plate 5, sleeve 4, upper backup pad 3, fix with double nuts;
Described manhole cover 10 have at its lower surface and side middle part 2 with 1 screw that specification is identical, fix with convenient;
Described supporting studs is the different double-screw bolt of a Gent; This double-screw bolt is the rod member of a reducing; A part is the perfect thread double-screw bolt, also double end stud (comprise two sections screw threads, one section is that end diameter is the outside thread of d; Another section is that the diameter of next-door neighbour's polished rod section is the outside thread of d), another part is that prolongation, the cross section of double-screw bolt is orthohexagonal undergauge polished rod section.
The described manhole of the utility model changed in the prior art when manhole cover is opened overturn downwards, resupinate mode when sealing; Realized only needing in the manhole cover plane, to apply less external force; The target that manhole cover is horizontally rotated does not take the available space that inspection and repair shop needs when making the opening and closing of fault manhole cover, reduced the working strength and the difficulty of operation or service personnel simultaneously; Solved prior art problems; Be specially adapted to the bottom manhole of spherical tank, equally also be applicable to other large pressurized vessels of band bottom manhole, have a good application prospect.
Description of drawings
The spherical tank scheme drawing of taking back hub cap axle eardrum portion manhole of Fig. 1 prior art
Manhole structure's scheme drawing with horizontal davit of Fig. 2 prior art
Bottom manhole structure's scheme drawing of taking back hub cap axle ear of Fig. 3-1 prior art
Fig. 3-2 is the upward view of Fig. 3-1
The described manhole structure's scheme drawing of Fig. 4-1 the utility model
Fig. 4-2 is the upward view of Fig. 4-1
The manhole cover 10 and the joist 7 bonded assembly anti-deflection structural representations of Fig. 5 the utility model
The manhole cover 10 and the joist 7 bonded assembly supporting construction scheme drawings of Fig. 6 the utility model
The joist 7 and the support system bonded assembly structural representation of Fig. 7 the utility model
The perfect thread supporting studs structural representation of Fig. 8-1 the utility model
The double-threaded screw supporting studs structural representation of Fig. 8-2 the utility model
Fig. 8-3 supporting studs polished rod section section drawing
Description of reference numerals:
1-manhole flange 2-double nuts 3-upper backup pad 4-sleeve
5-lower supporting plate 6-gusset 7-joist 9-1-supporting studs A
9-2-supporting studs B 9-3-supporting studs C 10-manhole cover 11-manhole flange
12-manhole fastener
The specific embodiment
Below in conjunction with embodiment, further specify the utility model.
Embodiment:
Shown in Fig. 4-1 and 4-2: a kind of manhole, manhole shell ring and manhole cover 10, manhole shell ring comprise manhole flange and manhole flange 11.
Said manhole cover 10 is provided with joist 7; Said joist 7 is " L " type; The horizontal limb of joist 7 is arranged at the following of manhole cover 10 and supports manhole cover 10; Manhole shell ring outer wall is provided with the sleeve-type support system, and the vertical limb of joist 7 is vertically installed in the manhole side through said sleeve-type support system, and can to drive manhole cover 10 be that center shaft rotates in horizontal surface with the vertical limb of joist 7;
Said sleeve-type support system comprises: upper backup pad 3, lower supporting plate 5, sleeve 4 and gusset 6 and double nuts 2; Gusset 6 is a vertical riser, and the one of which side is welded with the sleeve 4 that stands vertically, and sleeve 4 is the pipe of internal diameter greater than joist 7 vertical limb external diameters; Sleeve 4 is equal with the upper and lower end face of gusset 6, and the upper surface horizontal welding of gusset 6 is connected to upper backup pad 3, and the lower surface horizontal welding of gusset 6 is connected to lower supporting plate 5, and upper backup pad 3 and lower supporting plate 5 are provided with through hole corresponding to the position of sleeve 4 upper and lower end faces; The opposite side of gusset 6 and upper backup pad 3 and lower supporting plate 5 is welded on the manhole shell ring outer wall;
All greater than the vertical limb external diameter of joist 7, the vertical limb of joist 7 passes the through hole of lower supporting plate 5 for said sleeve 4 internal diameters, through-hole aperture, and pass sleeve 4 and on the through hole of upper backup pad 3, its upper end rotary type is fixed on the upper backup pad 3 with nut;
The horizontal limb of said joist 7 supports manhole cover 10 through vertical supporting studs A 9-1 and supporting studs B 9-2 from manhole cover 10 lower surfaces, the vertical limb of joist 7 is provided with the side fixed pedestal manhole cover 10 of the supporting studs C 9-3 of a level from manhole cover 10;
Above-mentioned all weld seams all require to be sequential welding.
Shown in Fig. 8-1, supporting studs is the rod member of a reducing, and one section is the double-screw bolt section, another section be undergauge, the cross section is orthohexagonal polished rod section; Said double-screw bolt section is the perfect thread double-screw bolt.Supporting studs A 9-1, supporting studs B 9-2, supporting studs C 9-3 are screwed in the bottom surface and side of manhole flange 10 after passing joist 7, fix with the level or the vertical limb of nut and joist 7 at the other end then, see Fig. 6 and Fig. 5
On the lower surface of manhole cover 10, open two screws, this screw is used to install supporting studs A 9-1 and supporting studs B 9-2, sees Fig. 4-1.In addition, at middle part, the side of manhole cover 10 (with above-mentioned two screws in same longitudinal cross-section), also open a screw that specification is identical, this screw is used to install the supporting studs C 9-3 of anti-deflection.See Fig. 5 and Fig. 6;
The manhole of present embodiment is through opening screw on manhole blind flange 10; And adopt supporting studs to be rigidly connected on the joist 7, make joist can hold manhole cover and prevent that manhole cover from deflecting, simultaneously; Through adopting both fixing joists 7 of parts such as sleeve pipe 4, stay bearing plate; The horizontal limb that makes joist 7 again can be around vertical limb rotation freely in horizontal surface of joist 7 together with manhole cover 10, thereby has reached the purpose of level holder lid, changed when manhole cover is opened in the prior art overturn downwards, resupinate mode when sealing; Realized the purpose that horizontally rotates; Under little extrapolability effect, manhole cover is held and driven to the horizontal limb of joist is that center shaft rotates working strength and the difficulty that has reduced operation or service personnel with the vertical limb in horizontal surface, has overcome prior art problems.
Claims (8)
1. manhole, comprising: manhole shell ring and manhole cover (10) is characterized in that:
Said manhole cover (10) is provided with joist (7); Said joist (7) is " L " type; The horizontal limb of joist (7) is arranged at the following of manhole cover (10) and supports manhole cover (10); Manhole shell ring outer wall is provided with the sleeve-type support system, and the vertical limb of joist (7) is vertically installed in the manhole side through said sleeve-type support system, and can to drive manhole cover (10) be that center shaft rotates in horizontal surface with the vertical limb of joist (7).
2. manhole as claimed in claim 1 is characterized in that:
Said sleeve-type support system comprises: upper backup pad (3), lower supporting plate (5), sleeve (4) and gusset (6);
Said gusset (6) is a vertical riser, and the one of which side is fixed with the sleeve (4) that stands vertically, and said sleeve (4) is the pipe of internal diameter greater than joist (7) vertical limb external diameter; Sleeve (4) is equal with the upper and lower end face of gusset (6); The upper surface horizontal fixed of gusset (6) has upper backup pad (3); The lower surface horizontal fixed of gusset (6) has lower supporting plate (5), and upper backup pad (3) and lower supporting plate (5) are provided with through hole corresponding to the position of sleeve (4) upper and lower end face; The opposite side of gusset (6) and upper backup pad (3) and lower supporting plate (5) is fixed on the manhole shell ring outer wall;
Said sleeve (4) internal diameter, through-hole aperture are all greater than the vertical limb external diameter of joist (7); The vertical limb of joist (7) passes the through hole of lower supporting plate (5); And pass sleeve (4) and on the through hole of upper backup pad (3), its upper end rotary type is fixed on the upper backup pad (3).
3. manhole as claimed in claim 1 is characterized in that:
Shown in the vertical limb upper end of joist (7) be fixed on the upper backup pad (3) through screwing in the nut rotary type.
4. like the described manhole of one of claim 1～3, it is characterized in that:
The horizontal limb of said joist (7) supports manhole cover (10) through vertical supporting studs from manhole cover (10) lower surface, the vertical limb of joist (7) is provided with the side of the supporting studs of level from manhole cover (10).
5. manhole as claimed in claim 4 is characterized in that:
The quantity of the supporting studs of the horizontal limb of said joist (7) is two.
6. manhole as claimed in claim 5 is characterized in that:
The corner of said joist (7) vertical limb and horizontal limb is provided with reinforced rib.
7. manhole as claimed in claim 4 is characterized in that:
Said supporting studs is the rod member of a reducing, and one section is the double-screw bolt section, another section be undergauge, the cross section is orthohexagonal polished rod section.
8. manhole as claimed in claim 7 is characterized in that:
Said double-screw bolt section is perfect thread double-screw bolt or double end stud.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201330072U CN202115919U (en) | 2011-04-29 | 2011-04-29 | Manhole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201330072U CN202115919U (en) | 2011-04-29 | 2011-04-29 | Manhole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202115919U true CN202115919U (en) | 2012-01-18 |
Family
ID=45457003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201330072U Expired - Lifetime CN202115919U (en) | 2011-04-29 | 2011-04-29 | Manhole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202115919U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102756877A (en) * | 2011-04-29 | 2012-10-31 | 中国石油化工集团公司 | Manhole with horizontally supporting cover |
-
2011
- 2011-04-29 CN CN2011201330072U patent/CN202115919U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102756877A (en) * | 2011-04-29 | 2012-10-31 | 中国石油化工集团公司 | Manhole with horizontally supporting cover |
| CN102756877B (en) * | 2011-04-29 | 2014-10-15 | 中国石油化工集团公司 | Manhole with horizontally supporting cover |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Co-patentee after: Sinopec Engineering Incorporation Patentee after: China Petrochemical Group Corp. Address before: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Co-patentee before: Engrg Construction Co., SINOPEC Patentee before: China Petrochemical Group Corp. |
|
| ASS | Succession or assignment of patent right |
Free format text: FORMER OWNER: SINOPEC ENGINEERING INCORPORATION Effective date: 20130121 Owner name: SINOPEC ENGINEERING INCORPORATION Free format text: FORMER OWNER: SINOPEC GROUP Effective date: 20130121 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100728 CHAOYANG, BEIJING TO: 100101 CHAOYANG, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130121 Address after: Anhui Beili Anyuan 21 No. 100101 Beijing Chaoyang District City Patentee after: Sinopec Engineering Incorporation Address before: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Patentee before: China Petrochemical Group Corp. Patentee before: Sinopec Engineering Incorporation |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120118 |