CN207700333U - A kind of inspection shaft having pressure sewage conduct cutover for Large Diameter Pipeline - Google Patents
A kind of inspection shaft having pressure sewage conduct cutover for Large Diameter Pipeline Download PDFInfo
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- CN207700333U CN207700333U CN201721551527.9U CN201721551527U CN207700333U CN 207700333 U CN207700333 U CN 207700333U CN 201721551527 U CN201721551527 U CN 201721551527U CN 207700333 U CN207700333 U CN 207700333U
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- main shaft
- cutover
- pipeline
- well
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Abstract
The utility model discloses a kind of inspection shafts having pressure sewage conduct cutover for Large Diameter Pipeline.Inspection shaft includes main shaft room and auxiliary well room, the former pipeline inlet of main shaft room connection, assist the former pipe water outlet of well room connection, main shaft room bottom is equipped with newly-built pipe water outlet, creates pipe water outlet connection and creates pipeline, partition wall is equipped between main shaft room and auxiliary well room, guide rail is reserved on partition wall, activity cooperation is equipped with valve on guide rail, and auxiliary well room is equipped at least one water pump and installs room, and water pump installs room and is equipped with water pump.The utility model is worked by the guide rail in well mid-board by the reserved gate installation in main shaft room side convenient for the sealing hole in later stage；By the way that movable gate is arranged between main shaft room and auxiliary well room, it can be isolated after dicing by gate, based on the inspection shaft of the structure to there is pressure sewage conduct to cut, it can ensure that construction personnel efficiently accomplishes the construction requirement of sewage conduct cutover, its safety and operability are improved, construction efficiency is improved.
Description
Technical field
The utility model, which belongs to, pressure sewage conduct cutover technical field, and in particular to one kind having pressure sewage for Large Diameter Pipeline
The inspection shaft of pipeline cutover.
Background technology
When Municipal Engineering Construction, underground utilities are complicated, and when construction is commonly encountered the case where present situation pipeline conflicts with new construction,
In this case it is desirable to carry out cutover to existing pipeline.Wherein sewage conduct buried depth is deeper, needs continue working, otherwise sewage
Cannot exclude will influence the life of nearby residents.
Such case is encountered, traditional way is to try to avoid pressure pipe, and carrying out cutover to non-depressed solenoid sewage conduct applies
Work carries out cutout cutover to pressure pipe.According to traditional cutout method for cutting over, need to weight after the progress cutover of original pipeline
New butt welding connection, needs the time to stop often very long.Heavy caliber pressure sewage conduct sewage discharge region is big, and discharge capacity is very
Greatly, if the cutout time is long, resident will be influenced very big.
Utility model content
For the above-mentioned problems in the prior art, the purpose of this utility model is to provide one kind having pressure for Large Diameter Pipeline
The inspection shaft of sewage conduct cutover, it can improve construction efficiency in the case where not influencing flow, reduce the cutover construction time.
A kind of inspection shaft having pressure sewage conduct cutover for Large Diameter Pipeline, setting exist in pipeline periphery, feature
Include main shaft room and auxiliary well room in inspection shaft, connection former pipeline inlet in main shaft room assists the former pipe water outlet of well room connection,
Main shaft room bottom is equipped with newly-built pipe water outlet, creates pipe water outlet connection and creates pipeline, between main shaft room and auxiliary well room
Equipped with partition wall, guide rail is reserved on partition wall, activity cooperation is equipped with valve on guide rail, and auxiliary well room is equipped at least one water pump peace
Room is filled, water pump installs room and is equipped with water pump, and the water outlet of water pump is passed through in main shaft room.
A kind of inspection shaft having pressure sewage conduct cutover for Large Diameter Pipeline, it is characterised in that newly-built pipeline inclination is set
It sets below main shaft room, angle of inclination 30-60.
A kind of inspection shaft having pressure sewage conduct cutover for Large Diameter Pipeline, it is characterised in that further include manhole cover plate,
Manhole cover plate is obtained by concreting molding or steel plate are prefabricated, is mounted on above inspection shaft.
A kind of inspection shaft having pressure sewage conduct cutover for Large Diameter Pipeline, it is characterised in that main shaft room and service well
The well upper wall of room is located at the 1m of road surface or less, and guide rail is located at main shaft room side, and reserved the distance between guide rail outer end and partition wall
More than 200mm.
The Large Diameter Pipeline of the inspection shaft has pressure sewage conduct method for cutting over, it is characterised in that includes the following steps：
1）First according to design drawing and pipeline cutover needs, inspection shaft periphery is carried out to go along with sb. to guard him construction, in conjunction with pipe excavation
Actual conditions afterwards are reinforced at present situation pipe joint using concrete square packet；Synchronization arrangement deep-well precipitation point and deep basal pit prison
It surveys, is excavated to pipeline bottom, reserved steel bar and inspection shaft casting and constructing is carried out above inspection shaft；
2）Inspection shaft pours after completion reaches design strength, determines cutover position, is adjusted temporarily to inspection shaft upstream
Hydraulic pressure makes the water for entering former pipeline inlet reach nature flowing water state, is cut to the duct segments in inspection shaft, and
Coordinate truck crane to carry out less important work, the duct section cut off hang removing；
3）The indoor gate of inspection shaft is fallen along the guide rail reserved, main shaft room and auxiliary well room are separated, simultaneously will
Flow is drawn toward newly-built pipe water outlet, is discharged from newly-built pipeline；
4）The indoor water pump of service well is opened, to the sewage and pipeline inner product by the overflow of gate gap into auxiliary well room
The sewage deposited carries out pump drainage into the well of forebay, if the water level of the frontal pool is higher, it is contemplated that interim pump showing nearby by the emergent access of sewage
In shape sewage gravity pipe line；
5）Wait for that the sewage quantity pump drainage in the present situation pipeline in gate downstream is completed, after the exposure of downstream discarded pipe hole, to useless
Pipe abandon road hole wall of laying bricks is blocked, and forms sealing hole wall, then water pump is proposed, auxiliary well room is sealed with element concrete
It is stifled, formin concrete grave wall, then extract gate out；
6）Prefabricated manhole cover plate is lifted to cast-in-place inspection shaft top, then by well by the way of casting concrete
Cover board pours integrally with reserved steel bar above cutover well, completes closure at the top of inspection shaft, in the construction procedure, in order to accelerate into
Degree, also can first be bound with steel plate, blending bolt is fixed with well room temporarily；Later stage cast-in-situ reinforced concrete cover board above steel deck-plate
It is reinforced.
The Large Diameter Pipeline has pressure sewage conduct method for cutting over, it is characterised in that step 2）In pipeline cleavage set
Wall 15-25cm, preferably 20cm on the inside of inspection shaft, and away from main shaft room, auxiliary well room.
The Large Diameter Pipeline has pressure sewage conduct method for cutting over, it is characterised in that step 2）Pipe cutting setting cut
It constructs on platform, is cut, be as follows using diamond steel-wire cutting machine：
1）Before construction, ventilation, deodorizing device are marched into the arena and installation and debugging are completed, and scene prepares toxic and harmful gas detection and sets
Standby and sufficient amount breathing mask；
2）It sends someone to go into the well and lifting steel wire rope is tied on the pipeline tube coupling to be abolished, build Cutting platform, and will cutting
Platform is shelved on above the inspection shaft well location of cutting pipeline, is then passed through tube bottom with going into the well and is carried out diamond steel wire installation, then installed
Positioning pulley；
3）Construction personnel has dressed to go into the well to punching to the tube coupling bottom to be abolished after protective clothing and breathing mask and discharge water
Pressure is rushed down, tube coupling cutting is then carried out and part is abolished.
The Large Diameter Pipeline has pressure sewage conduct method for cutting over, it is characterised in that step 2）Before middle cutting, by former pipeline into
The mouth of a river, former pipe water outlet, newly-built pipe water outlet and inspection shaft borehole wall joining place first carry out water-proofing treatment.
The Large Diameter Pipeline has pressure sewage conduct method for cutting over, it is characterised in that step 5）In plain concrete grave wall envelope
Water level is at least higher by 0.2m when stifled height is than pipeline cutover.
The Large Diameter Pipeline has pressure sewage conduct method for cutting over, it is characterised in that step 5）In block wall one side and auxiliary
Well room wall outer surface is equal, and another side extends in service well room, development length 10-14cm.
By using above-mentioned technology, compared with prior art, beneficial effects of the present invention are as follows：
1）The present invention reserves leading for gate installation in well mid-board by using the inspection shaft of limiting structure by main shaft room side
Rail works convenient for the sealing hole in later stage；It, can be after dicing by the way that movable gate is arranged between main shaft room and auxiliary well room
It is isolated by gate, based on the inspection shaft of the structure to there is pressure sewage conduct to cut, it is ensured that construction personnel is effective
The construction requirement for completing sewage conduct cutover improves its safety and operability, improves construction efficiency；
2）The present invention is to assisting the closure height of well room to be determined in combination with live actual water level situation, it is desirable to when than cutover
Water level is higher by 0.2m or 0.2m or more, on the one hand ensure that plugging effect, prevents aqueous reflux from entering main shaft room, on the other hand
The usage amount that plain concrete can effectively be reduced, efficiency is improved while reducing cost；
3）The present invention can be cut by carrying out pipeline cutover construction on the inspection shaft of restriction under the premise of not stopping
Construction is connect, its operability is improved, it is that a kind of practical, safety sewage conduct is relocated structure, and main structure body uses concrete
Pouring molding, technical maturity securely and reliably can be well protected the quality for ensureing present situation sewage pipe, while reaching and not stopping
The purpose of cutover.
Description of the drawings
Fig. 1 is the planar structure schematic diagram of the present invention；
Fig. 2 is the pipe cutting location drawing；
Fig. 3 is pipe plugging plan view.
In figure：1- original pipeline inlets, 2- main shafts room, 3- guide rails, 4- partition walls, 5- assist well room, 6- pipelines, 7- original pipelines
Water outlet, 8- water pumps install room, and 9- creates pipeline, and 10- creates pipe water outlet, 11- valves, 12- water pumps, 13- element concrete graves
Wall, 14- sealing hole walls.
Specific implementation mode
Below in conjunction with Figure of description, the invention will be further described, but protection scope of the present invention is not limited in
This：
As shown in Figs. 1-3, a kind of inspection shaft having pressure sewage conduct cutover for Large Diameter Pipeline of the invention, is arranged in pipeline
6 peripheries, inspection shaft include main shaft room 2 and auxiliary well room 5 and manhole cover plate, and main shaft room 2 connects former pipeline inlet 1, assists well room 5
The former pipe water outlet 7 of connection, 2 bottom of main shaft room are equipped with newly-built pipe water outlet 10, create the newly-built pipe of the connection of pipe water outlet 10
Road 9 is equipped with partition wall 4 between main shaft room 2 and auxiliary well room 5, guide rail 3 is reserved on partition wall 4, and activity cooperation is equipped with valve on guide rail 3
Door 11, auxiliary well room 5 are equipped at least one water pump and install room 8, and water pump installs room 8 and is equipped with water pump 12, the water outlet of water pump 12
Mouth is passed through in main shaft room 2, and manhole cover plate is obtained by concreting molding or steel plate are prefabricated, and inspection shaft is mounted on after the completion of construction
Top, it is suitable for reading for blocking inspection shaft.
As shown, the newly-built pipeline 9 of the present invention is inclined at 2 lower section of main shaft room, angle of inclination 30-60 inclines
On the one hand the purpose being tiltedly arranged is easy for constructing, be on the other hand other sewage discharge.
The well upper wall of main shaft room 2 and auxiliary well room 5 in the embodiment of the present invention is located at the 1m of road surface or less, and guide rail 3 is located at
2 side of main shaft room, and reserved the distance between 3 outer end of guide rail and partition wall 4 are more than 200mm, that is, help main shaft room 2 and auxiliary well room
The cutting of 5 abutting end pipelines.
As shown, the Large Diameter Pipeline based on the inspection shaft of the invention limited has pressure sewage conduct method for cutting over, including it is as follows
Step：
1）First according to 6 cutover needs of design drawing and pipeline, inspection shaft periphery is carried out to go along with sb. to guard him construction, is opened in conjunction with pipeline 6
Actual conditions after digging are reinforced at present situation pipe joint using concrete square packet；Synchronization arrangement deep-well precipitation point and deep basal pit
Monitoring, is excavated to pipeline bottom, and reserved steel bar and inspection shaft casting and constructing is carried out above inspection shaft；
2）Inspection shaft pours after completion reaches design strength, determines cutover position, is adjusted temporarily to inspection shaft upstream
Hydraulic pressure makes the water for entering former pipeline inlet 1 reach nature flowing water state, is cut to the duct segments in inspection shaft,
And truck crane is coordinated to carry out less important work, the duct section cut off hang removing, the cutting position of pipeline 6 is located in inspection shaft
Side, and wall 15-25cm, preferably 20cm away from main shaft room 2, auxiliary well room 5；Pipe cutting is applied on setting Cutting platform
Work is cut using diamond steel-wire cutting machine, is as follows：
2.1）Before construction, ventilation, deodorizing device are marched into the arena and installation and debugging are completed, and scene prepares toxic and harmful gas detection
The breathing mask of equipment and sufficient amount；
2.2）It sends someone to go into the well and lifting steel wire rope is tied on the pipeline tube coupling to be abolished, build Cutting platform, and will cut
It cuts platform to be shelved on above the inspection shaft well location of cutting pipeline, is then passed through tube bottom with going into the well and carried out diamond steel wire installation, then pacified
A pulley action is set, for lifting the pipeline tube coupling abolished；
2.3）Construction personnel, which has dressed to go into the well to punching to the tube coupling bottom to be abolished after protective clothing and breathing mask, puts
Watery diarrhea pressure, then carries out tube coupling cutting and part is abolished；
Sewage overflows in order to prevent, convenient for construction, the present invention before cutting, by former pipeline inlet 1, former pipe water outlet
7, it creates pipe water outlet 10 and first carries out water-proofing treatment with inspection shaft borehole wall joining place；
3）The indoor gate of inspection shaft 11 is fallen along the guide rail 3 reserved, main shaft room 2 and auxiliary well room 5 are separated, together
When flow is drawn toward newly-built pipe water outlet 10, be discharged from newly-built pipeline 9；
4）The water pump 8 in auxiliary well room 5 is opened, to the sewage and pipe by 11 gap overflow of gate into auxiliary well room 5
The sewage accumulated in road 6 carry out pump drainage into forebay well be in main shaft room, if the water level of the frontal pool is higher, it is contemplated that interim pump answers sewage
In the present situation sewage gravity pipe line of anxious access nearby or in main shaft room；
5）Wait for that the sewage quantity pump drainage in the present situation pipeline in 11 downstream of gate is completed, it is right after the exposure of downstream discarded pipe hole
Discarded pipe hole wall of laying bricks is blocked, and forms sealing hole wall 14, then water pump 12 is proposed, will the plain concrete of auxiliary well room 5
It is blocked, formin concrete grave wall 13, then extracts gate 11 out, the closure height of plain concrete grave wall 13 can be according to reality
Depending on the situation of construction site, water level is at least higher by 0.2m when blocking height than pipeline cutover；14 one side of sealing hole wall with it is auxiliary
5 wall outer surface of main opening room is equal, and another side extends in auxiliary well room 5, development length 10-14cm；
6）Prefabricated manhole cover plate is lifted to cast-in-place inspection shaft top, then by well by the way of casting concrete
Cover board pours integrally with reserved steel bar above cutover well, completes to block at the top of inspection shaft.
Claims (4)
1. a kind of inspection shaft having pressure sewage conduct cutover for Large Diameter Pipeline, is arranged in pipeline（6）Periphery, it is characterised in that check
Well includes main shaft room（2）With auxiliary well room（5）, main shaft room（2）The former pipeline inlet of connection（1）, assist well room（5）The former pipe of connection
Road water outlet（7）, main shaft room（2）Bottom is equipped with newly-built pipe water outlet（10）, create pipe water outlet（10）The newly-built pipe of connection
Road（9）, main shaft room（2）With auxiliary well room（5）Between be equipped with partition wall（4）, partition wall（4）On be reserved with guide rail（3）, guide rail（3）On
Activity cooperation is equipped with valve（11）, assist well room（5）It is equipped at least one water pump and room is installed（8）, water pump installation room（8）On set
There is water pump（12）, water pump（12）Water outlet be passed through main shaft room（2）It is interior.
2. a kind of inspection shaft having pressure sewage conduct cutover for Large Diameter Pipeline according to claim 1, it is characterised in that new
Build pipeline（9）It is inclined at main shaft room（2）Lower section, angle of inclination 30-60.
3. a kind of inspection shaft having pressure sewage conduct cutover for Large Diameter Pipeline according to claim 1, it is characterised in that also
Including manhole cover plate, manhole cover plate is obtained by concreting molding or steel plate are prefabricated, is mounted on above inspection shaft.
4. a kind of inspection shaft having pressure sewage conduct cutover for Large Diameter Pipeline according to claim 1, it is characterised in that main
Well room（2）With auxiliary well room（5）Well upper wall be located at the 1m of road surface or less, guide rail（3）Positioned at main shaft room（2）Side, and it is reserved
Guide rail（3）Outer end and partition wall（4）The distance between be more than 200mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721551527.9U CN207700333U (en) | 2017-11-20 | 2017-11-20 | A kind of inspection shaft having pressure sewage conduct cutover for Large Diameter Pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721551527.9U CN207700333U (en) | 2017-11-20 | 2017-11-20 | A kind of inspection shaft having pressure sewage conduct cutover for Large Diameter Pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207700333U true CN207700333U (en) | 2018-08-07 |
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ID=63023045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721551527.9U Active CN207700333U (en) | 2017-11-20 | 2017-11-20 | A kind of inspection shaft having pressure sewage conduct cutover for Large Diameter Pipeline |
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| CN (1) | CN207700333U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108222223A (en) * | 2017-11-20 | 2018-06-29 | 杭州市市政工程集团有限公司 | A kind of inspection shaft and method for cutting over for having pressure sewage conduct cutover for Large Diameter Pipeline |
| CN109160676A (en) * | 2018-09-07 | 2019-01-08 | 成都市工业设备安装公司 | Sewage treatment plant does not stop transport capacity expansion revamping construction method |
| CN109403444A (en) * | 2018-11-26 | 2019-03-01 | 广西建工集团第建筑工程有限责任公司 | The underground reinforced concrete supplying drainage of major diameter is not cut off the water connecting device and method |
-
2017
- 2017-11-20 CN CN201721551527.9U patent/CN207700333U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108222223A (en) * | 2017-11-20 | 2018-06-29 | 杭州市市政工程集团有限公司 | A kind of inspection shaft and method for cutting over for having pressure sewage conduct cutover for Large Diameter Pipeline |
| CN109160676A (en) * | 2018-09-07 | 2019-01-08 | 成都市工业设备安装公司 | Sewage treatment plant does not stop transport capacity expansion revamping construction method |
| CN109403444A (en) * | 2018-11-26 | 2019-03-01 | 广西建工集团第建筑工程有限责任公司 | The underground reinforced concrete supplying drainage of major diameter is not cut off the water connecting device and method |
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