CN207206723U - Mud jacking system for prestressed pipe - Google Patents
Mud jacking system for prestressed pipe Download PDFInfo
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- CN207206723U CN207206723U CN201721223970.3U CN201721223970U CN207206723U CN 207206723 U CN207206723 U CN 207206723U CN 201721223970 U CN201721223970 U CN 201721223970U CN 207206723 U CN207206723 U CN 207206723U
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Abstract
The utility model provides a kind of mud jacking system for prestressed pipe, and the system includes：Multigroup prestressed pipe group, it is embedded in prestressed concrete member in advance and is arranged side by side and is sequentially connected in series, prestressed pipe group includes the first pipeline set in the same direction and the second pipe positioned at the lower section of the first pipeline, the first end of first pipeline is formed with stock inlet, second end of the first pipeline is communicated in the second end of second pipe, for the first end of second pipe formed with grout outlet, the grout outlet of every group of prestressed pipe group is communicated in the stock inlet of next group of prestressed pipe group；Store the slurry storing tank of slurries；High pressure madjack pipe, its first end are located at below the liquid level of slurries, and its second end is communicated in the stock inlet of first group of prestressed pipe group, and high pressure madjack pipe is provided with mudjack；And grout outlet, grout outlet and the slurry storing tank of last group of prestressed pipe group are communicated in form the circulation loop for supplying slurries to be in the milk.The utility model solves traditional mud-jacking technology and the uncompacted problem of mud jacking occurs often in construction.
Description
Technical field
It the utility model is related to technical field of building construction, and in particular to a kind of mud jacking system for prestressed pipe.
Background technology
In construction, prestressed pipe is embedded in prestressed concrete member in advance, after treating concreting, and
And carry out connecting presstressed reinforcing steel after concrete reaches some strength, in prestress pipe, after treating tension of prestressed tendon anchoring, enter
Row pumping of prostressed duct, slurries are made to fill up the gap of presstressed reinforcing steel and pipeline so that presstressed reinforcing steel firmly glues with concrete
Became one, improve the intensity, rigidity and bending resistance of concrete component, prevent concrete component from occurring crack too early.Tradition
The uncompacted problem of mud jacking occurs in construction in mud-jacking technology often.
Utility model content
The defects of to overcome present in prior art, a kind of mud jacking system for prestressed pipe is now provided, to solve to pass
The uncompacted problem of mud jacking occurs in construction in system mud-jacking technology often.
To achieve the above object, there is provided a kind of mud jacking system for prestressed pipe, including：
Multigroup prestressed pipe group, multigroup prestressed pipe group is embedded in prestressed concrete member in advance, multigroup described pre-
Stress tube group is arranged side by side and is sequentially connected in series, and the prestressed pipe group includes the first pipeline and second pipe set in the same direction, institute
The lower section that the first pipeline is located at the second pipe is stated, the first end of first pipeline is formed with stock inlet, first pipe
Second end in road is communicated in the second end of the second pipe by the first connecting tube, the first end of the second pipe formed with
Grout outlet, the grout outlet of prestressed pipe group described in every group are communicated in prestressed pipe group described in adjacent next group by the second connecting tube
Stock inlet；
Slurry storing tank, slurries are stored in the slurry storing tank；
High pressure madjack pipe, the first end of the high pressure madjack pipe are located at below the liquid level of the slurries, the high pressure mud jacking
Second end of pipe is communicated in the stock inlet of prestressed pipe group described in first group, and the high pressure madjack pipe is provided with mudjack；And
Grout outlet, the grout outlet and the slurry storing tank for being communicated in last group prestressed pipe group supply the slurry to be formed
The circulation loop of liquid grouting.
Further, the end of first pipeline and second pipe is respectively provided with the plugging device of mortar leakage prevention.
Further, the plugging device includes：
Plugging plate, is respectively equipped with the plugging plate in first pipeline and the second pipe, and the plugging plate is along institute
Being radially arranged for the first pipeline and the second pipe is stated, connecting hole is offered on the plugging plate；And
Junction block, is communicated in the connecting hole, and the junction block is arranged at the outside of the plugging plate.
Further, the inwall of the connecting hole is formed with internal thread, the junction block formed with the internal thread phase
The external screw thread of matching, the junction block are threadedly connected to the connecting hole.
Further, presstressed reinforcing steel is provided with first pipeline and the second pipe, is formed on the plugging plate
There is the spacing hole plugged for the presstressed reinforcing steel.
Further, the mud jacking pressure of the stock inlet of prestressed pipe group described in first group is 0.3MPa~0.7MPa.
Further, the stock inlet of prestressed pipe group described in first group is provided with pressure gauge.
The beneficial effects of the utility model are that the utility model is used for the mud jacking system of prestressed pipe in prestressed concrete
Pre-buried multigroup prestressed pipe group in native component, by the placed in series up and down of each prestressed pipe group so that each prestressed pipe
The stock inlet of group is located at the lower section of grout outlet, then multigroup prestressed pipe group is connected to form an integrally closed prestressed pipe
Road, the prestress pipe is cross-shaped, and slurries are pressed into from the stock inlet of lower, circulate in the prestress pipe of cross-like, finally
Grout outlet outflow above stock inlet, it is ensured that the slurries low in and high out being poured into prestress pipe, be easy to discharge prestressing force
Air in pipeline, it is ensured that the mud jacking compactness of prestress pipe.In addition, multigroup prestress pipe, while be in the milk, and can
Accelerating construction progress, improve efficiency of construction.
Brief description of the drawings
Fig. 1 is the schematic diagram of the first embodiment for the mud jacking system that the utility model is used for prestressed pipe.
Fig. 2 is the prestressed concrete member of the first embodiment for the mud jacking system that the utility model is used for prestressed pipe
Schematic diagram.
Fig. 3 is the signal of the prestressed pipe group of the first embodiment for the mud jacking system that the utility model is used for prestressed pipe
Figure.
Fig. 4 is the side view of the prestressed pipe group of the first embodiment for the mud jacking system that the utility model is used for prestressed pipe
Figure.
Fig. 5 is the schematic diagram of the plugging device of the first embodiment for the mud jacking system that the utility model is used for prestressed pipe.
Fig. 6 is the side view of the prestressed pipe group of the second embodiment for the mud jacking system that the utility model is used for prestressed pipe
Figure.
Embodiment
Illustrate embodiment of the present utility model below by way of specific instantiation, those skilled in the art can be by this theory
Content disclosed by bright book understands other advantages and effect of the present utility model easily.The utility model can also be by addition
Different embodiments are embodied or practiced, and the various details in this specification can also be based on different viewpoints with answering
With, without departing from it is of the present utility model spirit under carry out various modifications or alterations.
First embodiment
Fig. 1 is that schematic diagram, Fig. 2 of the first embodiment for the mud jacking system that the utility model is used for prestressed pipe are this practicality
Schematic diagram, Fig. 3 of the prestressed concrete member of the first embodiment of the new mud jacking system for prestressed pipe are this practicality
Schematic diagram, Fig. 4 of the prestressed pipe group of the first embodiment of the new mud jacking system for prestressed pipe use for the utility model
Side view, Fig. 5 in the prestressed pipe group of the first embodiment of the mud jacking system of prestressed pipe are used in advance should for the utility model
The schematic diagram of the plugging device of the first embodiment of the mud jacking system of solenoid.
Referring to figs. 1 to shown in Fig. 5, the utility model provides a kind of mud jacking system for prestressed pipe, including in advance should
Solenoid group 1, slurry storing tank 2, high pressure madjack pipe 3 and grout outlet 4.The quantity of prestressed pipe group 1 is two groups.Two groups of prestressed pipe groups
1 is embedded in prestressed concrete member 5 in advance.Two groups of prestressed pipe groups 1 are arranged side by side and connected.Prestressed pipe group 1 includes in the same direction
The first pipeline 11 and second pipe 12 set.First pipeline 11 is located at the lower section of second pipe 12.The first of first pipeline 11
Formed with stock inlet 110, the second end of the first pipeline 11 is communicated in the second end of second pipe 12 by the first connecting tube at end, the
The first end of two pipelines 12 is formed with grout outlet 120.The grout outlet 120 of first group of prestressed pipe group 1 is connected by the second connecting tube
Pass through the stock inlet 110 of second group of prestressed pipe group 1.First group of prestressed pipe group 1 and second group of prestressed pipe group 1 pass through second
Connecting tube connects to form a prestress pipe for slurry flow, stock inlet the entering for the first pipeline 11 of the prestress pipe
Mouth 110 is starched, the grout outlet of the prestress pipe is the grout outlet 120 of second pipe 12.The stock inlet of the prestress pipe is located at
The lower section of the same side of the grout outlet of the prestress pipe.First connecting tube and the second connecting tube are rubber tube.
Slurry storing tank 2 is mainly used in the slurries that storage is poured into the prestress pipe.
The first end of high pressure madjack pipe 3 is located at below the liquid level of the slurries in slurry storing tank 2, the second end of high pressure madjack pipe 3
The stock inlet 110 of the first pipeline 11 of first group of prestressed pipe group 1 is communicated in, high pressure madjack pipe 3 is provided with mudjack 31.High pressure
Madjack pipe 3 is rubber madjack pipe.
Grout outlet 4 is communicated in grout outlet 120 and the slurry storing tank 2 of the second pipe 12 of second group of prestressed pipe group 1 with formation
For the circulation loop of slurries grouting.
The utility model be used for prestressed pipe mud jacking system in prestressed concrete member pre-buried multigroup prestressed pipe
Group, by the placed in series up and down of each prestressed pipe group so that the stock inlet of each prestressed pipe group is located under grout outlet
Side, then multigroup prestressed pipe group is connected to form an integrally closed prestress pipe, the prestress pipe is cross-shaped,
Slurries are pressed into from the stock inlet of lower, circulate in the prestress pipe of cross-like, finally the grout outlet outflow above stock inlet,
Ensure to be poured into the slurries low in and high out in prestress pipe, be easy to discharge the air in prestress pipe, it is ensured that prestressed pipe
The mud jacking compactness in road.The utility model is used for the mud jacking system of prestressed pipe, and to realize each group of prestressed pipe group past from lower
Eminence is in the milk, on the one hand, can form bigger than the serum density of advection, more consolidation slurry from lower toward eminence grouting, separately
On the one hand, the density of formation is bigger, the slurry of more consolidation in the air in discharging prestress pipe group, discharge the effect of air
With it is more efficient, accelerate the grouting construction efficiency and construction quality of prestress pipe group.Finally, multiple prestressed pipe groups are by more
Individual first pipeline and second pipe composition.Multiple first pipelines and second pipe are in the milk simultaneously, and and can further adds
Fast construction speed, improve efficiency of construction.
As a kind of preferable embodiment, the end of the first pipeline 11 and second pipe 12 is respectively provided with anti-leak-stopping
The plugging device 13 of slurry.
Specifically, referring to Fig. 5, plugging device 13 includes plugging plate 131 and junction block 132.Plugging plate 131 is circular steel plate.
Plugging plate 131 offers axially disposed connecting hole and spacing hole 1311.
Plugging plate 131 is plugged in the end of the first pipeline 11 and second pipe 12 respectively.Plugging plate 131 is welded to connect in
The tube wall of one pipeline 11 and second pipe 12.Plugging plate 131 is radially arranged along the first pipeline 11 and second pipe 12.Plugging plate
On offer a connecting hole and multiple spacing holes 1311.Junction block 132 is communicated in connecting hole, and junction block 132 is arranged at plugging plate
131 outside.
In order to reduce construction cost, construction material is recycled, junction block 132 is removably attachable to plugging plate 131.
Specifically, the inwall of the connecting hole of plugging plate 131 is outer formed with matching with internal thread formed with internal thread, junction block 132
Screw thread, junction block 132 are threadedly connected to connecting hole.
In the present embodiment, presstressed reinforcing steel (not shown in accompanying drawing) is provided with the first pipeline 11 and second pipe 12, sealed
The spacing hole formed on closure plate is mainly used in plugging presstressed reinforcing steel, and spacing hole plays the position of fixed presstressed reinforcing steel.Presstressed reinforcing steel
Both ends be inserted in respectively in spacing hole.After tension of prestressed tendon, presstressed reinforcing steel is welded to connect plugging plate so that prestressing force
Muscle keeps tensile state.
The junction block 132 for the plugging device 13 that the first end of the first pipeline 11 in each group of prestressed pipe group 1 is set
One end away from plugging plate 131 is the stock inlet of the first pipeline 11, is arranged on the junction block 132 of the first end of second pipe 12
One end away from plugging plate 131 is the grout outlet of second pipe 12, and is arranged on the junction block 132 at the second end of the first pipeline 11
The junction block 132 at the second end of second pipe 12 is communicated in by the first connecting tube.Grout outlet in first group of prestressed pipe group 1
The junction block 132 at place is communicated in the junction block at the stock inlet in next group of adjacent prestressed pipe group 1 by the second connecting tube
132。
As a kind of preferable embodiment, it is provided with the junction block of the stock inlet 110 of first group of prestressed pipe group 1
First valve, the second valve is provided with the junction block of the grout outlet 120 of second group of prestressed pipe group 1.
In the present embodiment, when carrying out circulation mud jacking, mud jacking to multigroup prestressed pipe group 1, first prestressing force is controlled
The mud jacking pressure of the stock inlet 110 of pipe group 1 is 0.3MPa~0.7MPa.
As a kind of better embodiment, for the mud jacking pressure of the stock inlet 110 of first prestressed pipe group 1 of quantitative observation
Power, pressure gauge is provided with to show the stock inlet 110 of first group of prestressed pipe group 1 in the stock inlet 110 of first group of prestressed pipe group 1
Mud jacking pressure value.
The utility model provides a kind of circulation mud jacking method, comprises the following steps：
S0：A set of mud jacking system for prestressed pipe is provided, this is used for the mud jacking system assembles and shape of prestressed pipe
Into the circulation loop for slurry filling.
A provides a prestressed concrete member 5, and multigroup prestressed pipe group 1 is embedded with prestressed concrete member 5, more
Group prestressed pipe group 1 is arranged side by side and connected successively, and prestressed pipe group 1 includes the first pipeline 11 and second pipe set in the same direction
2, the first pipeline 11 of prestress pipe 1 is located at the lower section of the second pipe 12 of prestress pipe 1.
Each group of prestressed pipe group 1 the first pipeline 11 first end formed with stock inlet 110, in each group of prestressing force
The first end of the second pipe 12 of pipe group 1 is connected at the second end of the first pipeline 11 by the first connecting tube formed with grout outlet 120
The second end of second pipe 12 is passed through, the grout outlet 120 of first group of prestressed pipe group 1 is communicated in second by the second connecting tube
The stock inlet 110 of group prestressed pipe group 1.First connecting tube and the second connecting tube select high voltage bearing rubber tube.
B provides multiple plugging devices 13, and multiple plugging devices 13 are respectively arranged on to the end of the first pipeline 11 and second pipe 12.
Specifically, referring to Fig. 5, plugging device 13 includes plugging plate 131 and junction block 132.Plugging plate 131 is circular steel plate.Plugging plate 131
Home position offer axially disposed connecting hole and spacing hole 1311.The inwall of the connecting hole of plugging plate 131 formed with
Internal thread, junction block 132 are threadedly connected to connecting hole formed with the external screw thread to match with internal thread, junction block 132.
In the present embodiment, presstressed reinforcing steel (not shown in accompanying drawing) is provided with the first pipeline 11 and second pipe 12, will
More presstressed reinforcing steels are respectively arranged in the first pipeline 11 and second pipe 12.Eight pieces of plugging plates 131 are respectively arranged at first
The end of pipeline 11 and second pipe 12, and being radially arranged along the first pipeline 11 and second pipe 12 of plugging plate 131.It will answer in advance
The both ends of power muscle are inserted in the spacing hole of plugging plate 131 respectively.By the plugging plate 131 for being inserted with presstressed reinforcing steel be welded to connect in
The inwall of first pipeline 11 and second pipe 12.Tensioned prestressing bar.Presstressed reinforcing steel after tensioning is welded to connect in plugging plate
131 so that presstressed reinforcing steel keeps tensile state.
C is pre- in one in formation stock inlet 110 on the plugging device 13 of the first end of the first pipeline 11 of a prestressed pipe group 1
Grout outlet 120 is formed on the plugging device 13 of the first end of the second pipe 112 of stress tube group 1, by the second end of the first pipeline 11
Plugging device 13 be communicated in second pipe 12 the second end plugging device 13.Connect specifically, 8 piece-root grafting head tubes 132 are distinguished into screw thread
It is connected to the connecting hole of 8 pieces of plugging plates 131 so that junction block 132 is arranged at the outside of plugging plate 131.In each group of prestressed pipe
One end of the remote plugging plate 131 of the junction block 132 for the plugging device 13 that the first end of the first pipeline 11 in group 1 is set is first
The stock inlet of pipeline 11, the one end for being arranged on the remote plugging plate 131 of the junction block 132 of the first end of second pipe 12 are second
The grout outlet of pipeline 12, and the junction block 132 for being arranged on the second end of the first pipeline 11 is communicated in second pipe by rubber tube
The junction block 132 at 12 the second end.
First valve is set on junction block 132 at the stock inlet of first group of prestressed pipe group 1, in second group of prestressing force
Second valve is set on junction block 132 at the grout outlet of pipe group 1.
The grout outlet 120 of first group of prestressed pipe group 2 is entered into slurry by what rubber tube was communicated in second group of prestressed pipe group 1
Mouth 110.Specifically, the junction block 132 of the first end of the second pipe 12 of first group of prestressed pipe group 2 is connected by rubber tube
In the junction block 132 of the first end of the first pipeline 11 of second group of prestressed pipe group 2.In the present embodiment, junction block 132 is remote
One end from plugging plate 131 is arranged with rubber tube, and the outer tube wall of rubber tube is provided with clip so that the inner tubal wall of rubber tube is close
Fit in junction block to prevent slurries from revealing.
D provides slurry storing tank 2 and slurries, and slurries are stored in slurry storing tank 2.
E provides high pressure madjack pipe 3, and high pressure madjack pipe 3 is provided with mudjack 31, and the first end of high pressure madjack pipe 3 is set
Below the liquid level for the slurries being stored in slurry storing tank 2, the second end of high pressure madjack pipe 3 is communicated in first group of prestressed pipe group
1 stock inlet 110, clip is set to prevent slurries from revealing on the outer tube wall of high pressure madjack pipe 3.In first group of prestressed pipe group
Pressure gauge is set on high pressure madjack pipe 3 at 1 stock inlet 110.
F provides grout outlet 4, and grout outlet 4 is communicated in into the grout outlet 120 of second group of prestressed pipe group 1 and slurry storing tank 2 is formed
For the circulation loop of serum recycle circulation.Specifically, the first end of grout outlet 4 is sheathed on the of second group of prestressed pipe group 1
On the junction block 132 at the second end of two pipelines 12, and clip is set to prevent slurries from revealing on the outer tube wall of grout outlet 4, then
Second end of grout outlet 4 is arranged in slurry storing tank 2, then forms a complete circulation loop for serum recycle perfusion.
S1：Open mudjack 31 so that the slurries being stored in slurry storing tank 2 in advance should by high pressure madjack pipe 3 from first group
The stock inlet 110 of solenoid group 1 is poured into multigroup prestressed pipe group 1.The pressure value shown according to pressure gauge so that first group pre-
Pressure value at the stock inlet 110 of stress tube group 1 controls the scope in 0.3MPa~0.7MPa.
S2：In the slurries that stock inlet 110 pours into via multigroup prestressed pipe group 1 after last group of prestressed pipe group 1
Grout outlet 120 is discharged into slurry storing tank 2 by grout outlet 4 so that slurries complete the one cycle perfusion of circulation loop.
S3：Via multiple circumfusion so that the air in multigroup prestressing force group 1 is completely exhausted out.
During circumfusion, the second end of observation grout outlet 4 flows to the form of slurries in slurry storing tank 2.Serum recycle stream
Morphologic appearance into slurry storing tank：It is clear water shape in the slurries of cycle grouting outflow at initial stage；In the slurry of cycle grouting mid-term outflow
Liquid is thin slurry and carries bubble；In the cycle grouting later stage, the slurries of outflow are thick slurry and bubble-free.
S4：Close the grout outlet 120 of last group of prestressed pipe group 1.
When the cycle grouting later stage, when the slurries from grout outlet outflow are thick slurry and bubble-free, it is pre- to close last group
Second valve of the grout outlet 120 of stress tube group 1.
S5：Close the stock inlet 110 of first group of prestressed pipe group 1 so that slurry filling is in multigroup prestressed pipe group 1.
After the grout outlet 120 of last group of prestressed pipe group 1 is closed, pressure gauge is observed, first group is then shut off and in advance should
First valve of the stock inlet 110 of solenoid group 1, so far the mud jacking perfusion of two groups of prestressed pipe groups terminate.
Second embodiment
With reference to Fig. 6, the utility model provides a kind of mud jacking system for prestressed pipe, including prestressed pipe group, storage
Slurry bucket, high pressure madjack pipe and grout outlet.It is in place of the difference of the present embodiment and first embodiment：It is pre- in the present embodiment
The quantity of stress tube group is four groups, and the quantity of the prestressed pipe group in first embodiment is two groups, other, is not repeated herein.
Specifically, four groups of prestressed pipe groups are embedded in prestressed concrete member in advance.Four groups of prestressed pipe groups are arranged side by side
And it is sequentially connected in series.Prestressed pipe group includes the first pipeline and second pipe set in the same direction.First pipeline is located at second pipe
Lower section.The first end of first pipeline is communicated in second pipe formed with stock inlet 110, the second end of the first pipeline by rubber tube
The second end, the first end of second pipe is formed with grout outlet 120.The grout outlet 120 of first group of prestressed pipe group passes through rubber
Pipe is communicated in the stock inlet of second group of prestressed pipe group, the like, the grout outlet of the 3rd group of prestressed pipe group passes through rubber tube
The stock inlet of the 4th group of prestressed pipe group is communicated in, four groups of prestressed pipe groups are sequentially connected in series to form an insertion for slurry flow
Prestress pipe, the stock inlet of the prestress pipe is the stock inlet 110 of the first pipeline positioned at lower, and the pre- of the insertion should
The grout outlet of hydraulic piping is the grout outlet 120 of the second pipe 12 positioned at eminence.The stock inlet position of the prestress pipe of the insertion
In the lower section of the same side of the grout outlet of the prestress pipe of the insertion.
It should be noted that structure, ratio, size depicted in this specification institute accompanying drawings etc., only coordinating
Content disclosed in bright book, so that those skilled in the art understands and reads, being not limited to the utility model can implement
Qualifications, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size,
In the case where not influenceing the effect of the utility model can be generated and the purpose that can reach, all should still fall disclosed in the utility model
Technology contents obtain and can cover in the range of.Meanwhile in this specification it is cited as " on ", " under ", "left", "right", " in
Between " and " one " etc. term, be merely convenient to understanding for narration, and be not used to limit the enforceable scope of the utility model, its
Relativeness is altered or modified, in the case where changing technology contents without essence, when being also considered as the enforceable category of the utility model.
The utility model is described in detail above in association with accompanying drawing embodiment, those skilled in the art can root
Many variations example is made to the utility model according to described above.Thus, some details in embodiment should not be formed to this practicality
New restriction, the utility model will be used as protection domain using the scope that appended claims define.
Claims (7)
- A kind of 1. mud jacking system for prestressed pipe, it is characterised in that including：Multigroup prestressed pipe group, it is multigroup it is described it is pre- should Solenoid group is embedded in prestressed concrete member in advance, and multigroup prestressed pipe group is arranged side by side and is sequentially connected in series, it is described it is pre- should Solenoid group includes the first pipeline and second pipe set in the same direction, and first pipeline is located at the lower section of the second pipe, institute The first end for stating the first pipeline is communicated in described formed with stock inlet, the second end of first pipeline by the first connecting tube Second end of two pipelines, the first end of the second pipe is formed with grout outlet, and the grout outlet of prestressed pipe group leads to described in every group Cross the stock inlet that the second connecting tube is communicated in prestressed pipe group described in adjacent next group；Slurry storing tank, slurries are stored in the slurry storing tank；High pressure madjack pipe, the first end of the high pressure madjack pipe are located at below the liquid level of the slurries, the high pressure madjack pipe Second end is communicated in the stock inlet of prestressed pipe group described in first group, and the high pressure madjack pipe is provided with mudjack；AndGrout outlet, the grout outlet and the slurry storing tank for being communicated in last group prestressed pipe group are filled with being formed for the slurries The circulation loop of slurry.
- 2. the mud jacking system according to claim 1 for prestressed pipe, it is characterised in that first pipeline and second The end of pipeline is respectively provided with the plugging device of mortar leakage prevention.
- 3. the mud jacking system according to claim 2 for prestressed pipe, it is characterised in that the plugging device includes：Plugging plate, is respectively equipped with the plugging plate in first pipeline and the second pipe, and the plugging plate is along described Being radially arranged for one pipeline and the second pipe, connecting hole is offered on the plugging plate；AndJunction block, is communicated in the connecting hole, and the junction block is arranged at the outside of the plugging plate.
- 4. the mud jacking system according to claim 3 for prestressed pipe, it is characterised in that the inwall shape of the connecting hole Into there is internal thread, the junction block is threadedly connected to institute formed with the external screw thread to match with the internal thread, the junction block State connecting hole.
- 5. the mud jacking system according to claim 3 for prestressed pipe, it is characterised in that first pipeline and described Presstressed reinforcing steel, the spacing hole plugged on the plugging plate formed with the confession presstressed reinforcing steel are provided with second pipe.
- 6. the mud jacking system according to claim 1 for prestressed pipe, it is characterised in that prestressed pipe described in first group The mud jacking pressure of the stock inlet of group is 0.3MPa~0.7MPa.
- 7. the mud jacking system according to claim 1 for prestressed pipe, it is characterised in that prestressed pipe described in first group The stock inlet of group is provided with pressure gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721223970.3U CN207206723U (en) | 2017-09-22 | 2017-09-22 | Mud jacking system for prestressed pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721223970.3U CN207206723U (en) | 2017-09-22 | 2017-09-22 | Mud jacking system for prestressed pipe |
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| Publication Number | Publication Date |
|---|---|
| CN207206723U true CN207206723U (en) | 2018-04-10 |
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ID=61822658
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721223970.3U Active CN207206723U (en) | 2017-09-22 | 2017-09-22 | Mud jacking system for prestressed pipe |
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| Country | Link |
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| CN (1) | CN207206723U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107675888A (en) * | 2017-09-22 | 2018-02-09 | 中国建筑土木建设有限公司 | Circulate mud jacking system and its circulation mud jacking method |
-
2017
- 2017-09-22 CN CN201721223970.3U patent/CN207206723U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107675888A (en) * | 2017-09-22 | 2018-02-09 | 中国建筑土木建设有限公司 | Circulate mud jacking system and its circulation mud jacking method |
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