CN2721739Y - Shutoff device of urban outdoor draining pipeline - Google Patents
Shutoff device of urban outdoor draining pipeline Download PDFInfo
- Publication number
- CN2721739Y CN2721739Y CN 200420074565 CN200420074565U CN2721739Y CN 2721739 Y CN2721739 Y CN 2721739Y CN 200420074565 CN200420074565 CN 200420074565 CN 200420074565 U CN200420074565 U CN 200420074565U CN 2721739 Y CN2721739 Y CN 2721739Y
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- CN
- China
- Prior art keywords
- baffle plate
- lower baffle
- baffler
- overhead gage
- cut
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- Expired - Fee Related
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Abstract
The utility model relates to a shutoff device of an urban outdoor draining pipeline, belonging to the technical field of a well device for checking water discharge. The shutoff device urban outdoor draining pipeline comprises an upper baffler which lies against the upper part of the end of the drain inlet pipe; a lower baffler support rack which lies against the lower part of the upper baffler and is positioned at the bottom of a flow trough; a lower baffler arranged on the lower baffler support rack; a force proper supporting frame arranged on a step board on the top of the flow trough and a force proper which is supported by the force proper supporting frame and props the upper part of the upper baffler tightly by a crown bar. The upper baffler, the lower baffler and the lower baffler supporting frame have the structures of integral, two split and three split, in order to satisfy the interception demand of drainage pipelines with various tube diameters. Sealing strips are inlaid on the connection position between the upper baffler and the lower baffler and the edge of the upper baffler (not including one side of the lower part). Each split member is connected by connectors and fasteners with each other and is fixed firmly in a whole. The utility model has the advantages of low cost, high efficiency, safety, and simple operation. The utility model can satisfy the rapid and safe interception without leakage in full flow conditions of urban outdoor draining pipelines with the various tube diameters.
Description
Technical field
The utility model belongs to and is used for drainage inspection well device technique field, under particularly a kind of cities and towns outdoor drainage pipeline (the dirty mixing pipe of soil pipe, rain, rainwater pipe) flowing full situation fast, safety, leakproof dams.
Background technology
Cities and towns outdoor drainage pipeline is an infrastructure of city-building, and its function is that a sewage or rainwater transfer processing ground or discharging pond.The caliber of cities and towns outdoor drainage pipeline (if there is not special declaration, following content all refers to the gutter internal diameter) is generally 300～2400mm.Because road reconstruction, enlarging, pipeline breaking is aging, line clogging, pipeline change reasons such as road or reducing, must and at first will dam to pipeline.The demand because the later maintenance that pipeline is not considered in drainage pipe design standard and construction is dammed is dammed and can only be undertaken by manhole, lacks the hard point that dams in the manhole.The horse block that is positioned at the chute top has only the width of 150～200mm, and work plane is very narrow, and implementing dams is very limited.The well head diameter of manhole mostly is 700mm, the borehole wall 100～120mm that accounts for that marks time, so need down cut-off equipment or assembly in the well, maximum size can only be 580mm (± 20mm).The hydraulic pressure that the section that dams bears is big, and (300～1000mm caliber is 0.707～7.85t, and 1200～2400mm caliber is 11.3～45.2t).Be full of poison gases such as methane, hydrogen sulfide in the sink hole, can have caused people's poisoning or dead in the short time.If under the pipeline flowing full situation, because sewage is opaque and possess certain flow rate (design standard is 0.65～5m/s), and the cut-off equipment that requires to be positioned under water can accurately be located under opaque situation, and possesses the anti-current-rush ability.When damming, the power that requires to put on cut-off equipment must be quantitative, otherwise be difficult to guarantee the safety of damming, if out of control, will cause the major casualties of constructor in the downstream line.So, drainage pipe is dammed, especially the drainage pipe to caliber 〉=800mm dams very difficult safely and fast.
The utility model content
The utility model purpose be to provide under a kind of drainage pipe flowing full situation that can realize the outdoor different tube diameters in cities and towns fast, safety, leakproof cut-off equipment.
For reaching above-mentioned purpose, the utility model adopts following technical scheme: cities and towns outdoor drainage pipeline cut-off equipment comprises the overhead gage that leans on gutter water inlet pipe end top; Be positioned at chute bottom and lean at the lower baffle plate support of overhead gage bottom and be placed on lower baffle plate above the lower baffle plate support; Be positioned at gutter water inlet pipe end top, be placed on the top power device that push rod holds out against overhead gage top that passes through of top power device support on the horse block of chute top and its rest.Upper and lower baffle plate and lower baffle plate support have integral body, two splits and triad structure, with the drainage pipe that the satisfies different tube diameters requirement of damming.The junction of upper and lower baffle plate split part and do not contain the overhead gage bottom on one side edge ring week be inlaid with weather strip.Each split member is linked separately by connecting piece and securing member and fastens as one.
The overall structure of cut-off equipment parts is applicable to that the drainage pipe of caliber≤800mm dams in the utility model.Two fens body structures be applicable to caliber＞800mm and≤drainage pipe of 1600mm dams.The triad structure is applicable to＞1600mm and≤drainage pipe of 2400mm dams.Because the essential characteristic of overall structure and triad structure can be represented and illustrate to two fens body structures, so Figure of description is with two fens body structures schematic diagram as cut-off equipment.Adopt to divide body structure can satisfy cut-off equipment from well head can descend the basic size requirement of going.Next is can make the deadweight of split part suitably, makes things convenient for lifting and combination operation.
(1), overhead gage: baffle plate leans on gutter water inlet pipe end top, and it is that top is arc, and integral body is a polygonal plane structure.The junction of overhead gage split part is inlaid with weather strip, in case stopping leak leaks.There is one group of vertical square slot at the overhead gage split part back side, is inserted with the U type square plug supporting with slot in the groove, by slot and plug, the split part is linked together.The slot outside is equipped with and is held out against bolt, tightens and holds out against bolt, slot is inserted fasten in conjunction with closely and clamp weather strip.The overhead gage front is welded with the securing member of the bolt and nut of assembly cover, by securing member, the split part is linked further obtain reinforcing.
The overhead gage back side is welded with reinforcing rib, to increase the bending resistance of overhead gage, if the material that adopts is enough to satisfy mechanical property requirements such as resistance to compression bending resistance, also can not add the weldering reinforcing rib.Overhead gage leg more than 2 is all arranged at overhead gage single piece or split part bottom, and the effect of overhead gage leg is to lean the lower baffle plate support, and the lower baffle plate support can not be moved down in following current, and the gap between overhead gage leg and the leg is to make things convenient for earial drainage in order to dismantle.The maximum length of overhead gage leg should be apart from about the 20mm of chute bottom.Weather strip is equipped with in marginal portion except that overhead gage leg one side, with the gap of sealing overhead gage and end of middle drainage tube contact portion.Overhead gage single piece or split part top all are welded with the lifting ring, hang out manhole well chamber conveniently to hang in.The overhead gage overall structure does not have binding and securing member and links operation.
(2), lower baffle plate: lower baffle plate is positioned at the chute bottom and leans on the lower baffle plate support of overhead gage bottom, form by a square template and a parabola template, between the two angle 〉=90 degree and＜135 degree, schematic diagram in the Figure of description, shown angle is 120 degree, and the purpose that adopts the angle structure is to reduce water flow impact pressure.The same with overhead gage, lower baffle plate also has the integral body corresponding with overhead gage, two splits or triad structure.Adopt the reason of this structure identical with the method and the overhead gage of binding.Lower baffle plate integral body or split part bottom are welded with the lifting ring, hang out manhole well chamber conveniently to hang in.
The width of square template will shorten its width dimensions as far as possible under the prerequisite that does not influence the lower baffle plate support stability, to alleviate the pressure of hydraulic pressure to lower baffle plate support vertical direction.Lower baffle plate edge ring week is equipped with weather strip, with sealing lower baffle plate and chute, the gap of lower baffle plate and overhead gage contact portion.Consider the error of chute construction, the lower baffle plate size should be less than coincideing about the 10mm of size with chute.Ring the week add behind the weather strip the lower baffle plate size should greater than with coincide 10～20mm of size of chute.
(3) lower baffle plate support: the lower baffle plate support is positioned at the chute bottom of gutter water inlet pipe end and leans in the overhead gage bottom, is six structures that are made of metallic framework.Its function is the rest lower baffle plate, under hydraulic action, overhead gage, lower baffle plate and lower baffle plate is propped up be configured to the face integral body of damming.The lower baffle plate support is higher than gutter radius 150～200mm.In its six faces, contact with overhead gage and to be close to part and to be the plane structure body.
Lower baffle plate support superstructure is and the corresponding square profile of lower baffle plate and a parabolic type inclined-plane, between the two angle 〉=90 degree and＜135 degree, the schematic diagram in the Figure of description, shown angle are 120 degree.Respectively there is the fulcrum more than 2 two sides, and the one-sided fulcrum shown in the schematic diagram in the Figure of description is 4, and each fulcrum cover rubber sleeve joins with the chute wall.Fulcrum structure is adopted in the side, mainly is in order to avoid because of the artificial construction, may to cause the scraggly place of chute, to guarantee the straight and even property of support in the chute bottom.If drainage pipe diameter＞800mm, then frame bottom can adopt the plane structure body.If drainage pipe diameter≤800mm, frame bottom should be the curved-surface structure body that matches with the chute bottom.Lower baffle plate support and overhead gage are close to the upper inner at place, and two permeable screws of symmetry are arranged, be equipped with in the screw can spinning in and out the mark post that indicates scale, the mark post fixed bar is housed, with convenient front and back position and the lateral inclination of adjusting the lower baffle plate support on the mark post.
There are permeable screw and lifting handle that can spinning in and out in support center of gravity place, to make things convenient for lifting and to be used to adjust the front and back position and the lateral inclination of lower baffle plate support.After putting support well, screw out mark post and lifting handle, lower baffle plate is placed thereon.
(4) top power device support and top power device: top power device support and top power device are positioned at gutter water inlet pipe end top, and top power device support is placed on the horse block of chute top, and its function is that rest holds out against the top power device on overhead gage top by push rod.Top power device support is a metal structure.The centre is one can place the semicircular structure groove of top power device, and the front end of groove is a circulus baffle plate, its role is to block top power device, makes it not skid off the structure groove.The size of structure groove matches with the size of the top power device of selecting for use.Top power device is made up of cylinder body, push rod, pump, hydraulic tube and drive unit.By the drive unit of top power device, can make push rod hold out against the overhead gage upper end.Hydraulic tube one end connects top power device, and the other end is connected with the pump housing.Top power device support and top power device all are welded with the lifting ring, hang out into manhole well chamber conveniently to hang in.
Description of drawings:
Fig. 1 is the utility model structural representation
Fig. 2 is a lower baffle plate supporting structure schematic diagram
Fig. 3 is overhead gage split part and lower baffle plate split part connecting structure schematic diagram
Fig. 4 is an I part partial enlarged drawing among Fig. 3
Fig. 5 is not for placing the preceding lower baffle plate supporting structure schematic side view of lower baffle plate
Fig. 6 is an II part partial enlarged drawing among Fig. 5
Fig. 7 divides local enlarged drawing for III among Fig. 5
Fig. 8 is not for placing the preceding lower baffle plate supporting structure front elevational schematic of lower baffle plate
The specific embodiment
Embodiment, (1), cut-off equipment position and composition: cities and towns outdoor drainage pipeline cut-off equipment comprises the overhead gage 1 that leans on gutter water inlet pipe end top; Be positioned at chute bottom and lean at the lower baffle plate support 20 of overhead gage 1 bottom and be placed on lower baffle plate 12 above the lower baffle plate support 20; Be positioned at gutter water inlet pipe end top, be placed on the top power device 33 that push rod 35 holds out against overhead gage 1 top that passes through of top power device support 30 on the horse block of chute top and its rest.Overhead gage 1, lower baffle plate 12 and lower baffle plate support 20 have integral body, two splits and triad structure, with the drainage pipe that the satisfies different tube diameters requirement of damming.The junction of overhead gage split part 1, lower baffle plate split part 12 and do not contain overhead gage 1 bottom on one side be inlaid with weather strip 10 and weather strip 11 edge ring week.Each split member is linked separately by connecting piece and securing member and fastens as one.
(2), the cut-off equipment installation procedure: the first step, top power device support 30 and top power device 33 are hung in manhole well chamber, top power device support 30 is placed on the horse block at chute top, it is leaned at gutter delivery port pipe end.Top power device 33 is put into top power device supporting structure groove 31, and top power device supporting structure groove 31 front ends are circulus baffle plates 32, and effect is to block top power device 33, makes it not skid off top power device supporting structure groove 31 cell bodies.
Second step hung in the well chamber with overhead gage split part 1, by plug 3, bolt 4 and weather strip 11 its split part was connected, and loaded onto weather strip 10.The drive unit 40 that starts top power device 33 holds out against overhead gage 1 at gutter water inlet pipe end by push rod 35.
In the 3rd step, lower baffle plate support split part 20 is hung in the well chamber.Link nut 29 by lower baffle plate support binder bolt 28, lower baffle plate support its binding is overall structure.With mark post 22 precession mark post holes 23, lifting handle 26 precession support center of gravity screws 25 are loaded onto mark post fixed bar 24 then.Lower baffle plate support 20 is put into the chute bottom.By mark post 22 and lifting handle 26 it is adjusted into overhead gage and is close to the position.Screw out mark post 22 and lifting handle 26.
The 4th step hung in the well chamber with lower baffle plate split part 12, connected by lower baffle plate binder bolt 16, lower baffle plate binding nut 17 and lower baffle plate weather strip 19 to be overall structure.Load onto lower baffle plate weather strip 18 along 12 edge ring weeks of lower baffle plate then.Put it on the lower baffle plate support 20.
If the overhead gage 1, lower baffle plate 12 and the lower baffle plate support 20 that adopt are overall structure, then there is not the link of connector and assembly operation.
(3), cut-off equipment demolition flow process: during demolition, elder generation goes out the water surface with lower baffle plate 12 liftings and it is disintegrated, and puts lower baffle plate lifting ring 15, and ground is arrived in its lifting.Lower baffle plate support 20 is hung out the water surface and it is disintegrated, hang up metallic framework 21, with its lifting to ground.Release top power device 33 puts top power device lifting ring 38 and top power device support lifting ring 39, and ground is arrived in its lifting.At last, overhead gage 1 lifting is gone out the water surface and it is disintegrated, put lifting ring 2, then with its lifting to ground.Thereby realize damming and earial drainage safely.
Overhead gage or lower baffle plate should be selected light, the corrosion resistant metal of material for use or close nonmetals and make under the prerequisite that satisfies resistance to compression, mechanical property parameters such as counter-bending.
Claims (6)
1, cities and towns outdoor drainage pipeline cut-off equipment is characterized in that comprising the overhead gage that leans on gutter water inlet pipe end top; Be positioned at chute bottom and lean at the lower baffle plate support of overhead gage bottom and be placed on lower baffle plate above the lower baffle plate support; Be positioned at gutter water inlet pipe end top, be placed on the top power device that push rod holds out against overhead gage top that passes through of top power device support on the horse block of chute top and its rest, overhead gage, lower baffle plate and lower baffle plate support are divided into integral body, two splits and triad structure.
2, cut-off equipment as claimed in claim 1, the junction of upper and lower baffle plate split part and do not contain the overhead gage bottom on one side edge ring week be inlaid with weather strip.
3, cut-off equipment as claimed in claim 1, each split member is linked separately by connecting piece and securing member and fastens as one.
4, cut-off equipment as claimed in claim 1, lower baffle plate is made up of a square template and a parabola template, between the two angle 〉=90 degree and＜135 degree.
5, cut-off equipment as claimed in claim 1, lower baffle plate support superstructure is a square profile and parabolic type inclined-plane that matches with lower baffle plate, two sides angle 〉=90 degree and＜135 degree, respectively there are the fulcrum more than 2, each fulcrum cover rubber sleeve in two sides.
6, cut-off equipment as claimed in claim 1, lower baffle plate support and overhead gage are close to the upper inner at place, the permeable screw that two symmetries are arranged, have in the screw can spinning in and out the mark post that indicates scale, the mark post fixed bar is arranged on the mark post, and there are permeable screw and lifting handle that can spinning in and out in support center of gravity place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420074565 CN2721739Y (en) | 2004-08-31 | 2004-08-31 | Shutoff device of urban outdoor draining pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420074565 CN2721739Y (en) | 2004-08-31 | 2004-08-31 | Shutoff device of urban outdoor draining pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2721739Y true CN2721739Y (en) | 2005-08-31 |
Family
ID=35012112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420074565 Expired - Fee Related CN2721739Y (en) | 2004-08-31 | 2004-08-31 | Shutoff device of urban outdoor draining pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2721739Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103195160A (en) * | 2013-01-22 | 2013-07-10 | 潘勇 | Drainage pipeline plug preventing people from going down into well for inspection and using method thereof |
-
2004
- 2004-08-31 CN CN 200420074565 patent/CN2721739Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103195160A (en) * | 2013-01-22 | 2013-07-10 | 潘勇 | Drainage pipeline plug preventing people from going down into well for inspection and using method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |