CN202627544U - Anchor head sealing device used for prestressed concrete pipeline mudjacking construction - Google Patents
Anchor head sealing device used for prestressed concrete pipeline mudjacking construction Download PDFInfo
- Publication number
- CN202627544U CN202627544U CN 201220300743 CN201220300743U CN202627544U CN 202627544 U CN202627544 U CN 202627544U CN 201220300743 CN201220300743 CN 201220300743 CN 201220300743 U CN201220300743 U CN 201220300743U CN 202627544 U CN202627544 U CN 202627544U
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- China
- Prior art keywords
- seal closure
- mud jacking
- prestressed concrete
- sealing device
- construction
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- 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 - Fee Related
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Abstract
The utility model discloses an anchor head sealing device used for prestressed concrete pipeline mudjacking construction. The anchor head sealing device used for the prestressed concrete pipeline mudjacking construction comprises a first seal cover and a second seal cover which are respectively used for sealed connection with anchor bearing plates on two ends of a pipeline and provided with on-off valves used for exhaust. The anchor head sealing device used for the prestressed concrete pipeline mudjacking construction has the advantages of being simple in structure, low in cost, convenient and reliable to use, good in mudjacking effect, capable of greatly reducing construction time and the like.
Description
Technical field
The utility model relates to field of civil engineering, is specifically related to a kind of anchor head sealing device that is used for the mud jacking construction of prestressed concrete pipe road.
Background technology
Post-stressed stretch-draw is the important step of prestressed member such as bridge construction.For preventing the prestress wire corrosion, and make prestress wire combine to form whole with the beam body concrete, prestress wire need carry out the prestress pipe mud jacking after accomplishing through the anchor plate stretch-draw at its two ends.
During the construction of prestress pipe mud jacking, need earlier anchor head to be carried out the sealing off and covering anchorage sealing.At present; Usually adopt concrete parcel ground tackle and the prestress wire that exposes to realize the sealing off and covering anchorage sealing; Yet this kind form of construction work need wait concrete to reach just to carry out after certain intensity the mud jacking construction, with prevent in the mud jacking process, to leak air, problem such as spillage; Progress to construction has caused influence, has reduced efficiency of construction.And because concrete can produce certain drying shrinkage, make between ground tackle and the anchor plate slit be difficult to seal fully tight, still be easy to generate gas leakage, spillage phenomenon in the mud jacking process, make grouting result be difficult to assurance.
The utility model content
The technical problem that the utility model will solve is the deficiency that overcomes prior art, provide a kind of simple in structure, with low cost, easy to use and reliable, grouting result is good, can shorten the anchor head sealing device that is used for the construction of prestressed concrete pipe road mud jacking of engineering time greatly.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of anchor head sealing device that is used for the mud jacking construction of prestressed concrete pipe road; Comprise being respectively applied for first seal closure and second seal closure that the anchor plate with said pipe ends is tightly connected, said first seal closure and second seal closure are equipped with the on-off valve that is used for exhaust.
Further improvement as the utility model:
Said first seal closure is provided with reserves the mud jacking hole.
Said first seal closure is provided with and is used for first fastener hole that is connected with anchor plate through securing member, and said second seal closure is provided with and is used for second fastener hole that is connected with anchor plate through securing member.
Be provided with first sealing mat between said first seal closure and the anchor plate, be provided with second sealing mat between said second seal closure and the anchor plate.
Be equipped with the securing member inserting hole on said first sealing mat and second sealing mat.
Said first sealing mat is provided with and reserves the through hole of mud jacking hole arranged concentric.
Compared with prior art, the advantage of the utility model is:
The utility model is used for the anchor head sealing device of prestressed concrete pipe road mud jacking construction; The anchor plate of prestress wire one end in first seal closure and the pipeline is tightly connected; The anchor plate of the prestress wire other end is tightly connected in second seal closure and the pipeline; Can the gap between pipe ends prestress wire and the anchor plate be sealed, and then realize the sealing of pipe ends; Simultaneously, be equipped with on-off valve on first seal closure and second seal closure, during mud jacking; On-off valve on first seal closure is closed, and the on-off valve on second seal closure is opened, and carries out mud jacking from an end of corresponding first seal closure of pipeline; Discharge slurries until second seal closure; Close the on-off valve on second seal closure again, open the on-off valve on first seal closure, continue the on-off valve of mud jacking to the first seal closure and discharge slurries; Be full of slurries in the pipeline that whole prestress wire is passed, accomplish mud jacking work.This anchor head sealing device simple in structure, be easy to make, plug and play can be installed fast; Shortened the engineering time greatly; Improved efficiency of construction, and the sealing means that adopts seal closure to cooperate with anchor plate guarantees sealing reliability, the raising grouting result more easily.
Description of drawings
Fig. 1 is the sectional structure sketch map of the utility model application implementation example.
Fig. 2 is the plan structure sketch map of first seal closure in the utility model.
Fig. 3 is A among Fig. 2-A sectional structure sketch map.
Fig. 4 is the plan structure sketch map of second seal closure in the utility model.
Fig. 5 is B among Fig. 4-B sectional structure sketch map.
Fig. 6 is the plan structure sketch map of first sealing mat in the utility model.
Fig. 7 is the plan structure sketch map of second sealing mat in the utility model.
Each label is represented among the figure:
1, first seal closure; 11, reserve the mud jacking hole; 12, first fastener hole; 2, second seal closure; 21, second fastener hole; 3, on-off valve; 4, prestress wire; 5, anchor plate; 51, mud jacking hole; 6, securing member; 7, first sealing mat; 71, through hole; 8, second sealing mat; 9, securing member inserting hole; 10, pipeline.
The specific embodiment
Below will combine accompanying drawing and specific embodiment that the utility model is done further explain.
Fig. 1 to Fig. 7 shows a kind of embodiment that the utility model is used for the anchor head sealing device of prestressed concrete pipe road mud jacking construction; This anchor head sealing device comprises first seal closure 1 and second seal closure 2; The anchor plate 5 of prestress wire 4 one ends is tightly connected in first seal closure 1 and the pipeline 10, makes the gap between this anchor plate 5 and the prestress wire 4 be positioned at first seal closure 1, can realize the sealing to pipeline 10 1 ends; The anchor plate 5 of prestress wire 4 other ends is tightly connected in second seal closure 2 and the pipeline 10; Make the gap between this anchor plate 5 and the prestress wire 4 be positioned at second seal closure 2, can realize sealing, simultaneously pipeline 10 other ends; First seal closure 1 and second seal closure 2 are equipped with an on-off valve 3, can make the inside and the external environment connect of corresponding seal closure through control on-off valve 3.During mud jacking, the on-off valve 3 of first seal closure 1 is closed, the on-off valve 3 of second seal closure 2 is opened; Carry out mud jacking from pipeline 10 with first seal closure, 1 a corresponding end, discharge from the on-off valve 3 of second seal closure 2, again the on-off valve 3 of second seal closure 2 is closed until slurries; The on-off valve 3 of first seal closure 1 is opened, and continues mud jacking to slurries and discharges from the on-off valve 3 of first seal closure 1, closes the on-off valve 3 of first seal closure 1; Continue to keep the voltage stabilizing mud jacking about 3 ~ 5 minutes, accomplish mud jacking work.This anchor head sealing device structure is simple, be easy to make, and plug and play can be installed fast; Shortened the engineering time greatly; Improved efficiency of construction, the sealing means that the utility model adopts seal closure to cooperate with anchor plate guarantees sealing reliability more easily, improves grouting result.
In the present embodiment, first seal closure 1 all is connected with corresponding anchor plate 5 through securing member 6 with second seal closure 2, like Fig. 2 and shown in Figure 4; The binding face of the binding face of first seal closure 1 and anchor plate 5 and second seal closure 2 and anchor plate 5 ring-type that all is square; 1 four corner positions places of first seal closure of square ring-type are provided with one first fastener hole 12 respectively, are used to pass securing member 6 and are connected with anchor plate 5, and 2 four corner positions places of second seal closure of square ring-type are provided with one second fastener hole 21 respectively; Being used to pass securing member 6 is connected with anchor plate 5; Wherein, first fastener hole 12 and second fastener hole 21 are through hole, and securing member 6 adopts bolt.
In the present embodiment; It is identical with the shape of first seal closure, 1 binding face to be provided with the shape that is provided with second sealing mat, 8, the first sealing mats 7 between first sealing mat, 7, the second seal closures 2 and the anchor plate 5 between first seal closure 1 and the anchor plate 5; The shape of second sealing mat 8 is identical with the shape of second seal closure, 2 binding faces; The ring-type that also is square can improve sealing effectiveness like this, and first sealing mat 7 and second seal closure 2 all adopt the rubber tile of 3 ~ 5mm to process.Each first fastener hole 12 of corresponding first seal closure 1 is equipped with securing member inserting hole 9 on first sealing mat 7; Each second fastener hole 21 of corresponding second seal closure 2 all also is equipped with securing member inserting hole 9 on second sealing mat 8, to avoid influencing the installation of securing member 6.
The anchor plate 5 that present embodiment adopts is provided with the mud jacking hole 51 that voltage supply pulp grinder madjack pipe inserts; And first seal closure 1 all is provided with greatlyyer with the binding face of anchor plate 5 fitted seal and the binding face of second seal closure 2 and anchor plate 5 fitted seal; On first seal closure 1, establish and reserve mud jacking hole 11, on first sealing mat 7, establish through hole 71 simultaneously, the aperture of reserving mud jacking hole 11, through hole 71 and mud jacking hole 51 is equated; Back three's arranged concentric is installed; Mud jacking is carried out in the insertion of being convenient to the pneumatic mortar machine madjack pipe, and second seal closure 2 and second sealing mat 8 then seal up the mud jacking hole 51 on the respective anchors backing plate 5 fully, to guarantee normally carrying out of mud jacking work.
The above-mentioned just preferred embodiment of the utility model is not that the utility model is done any pro forma restriction.Though the utility model discloses as above with preferred embodiment, yet be not in order to limit the utility model.Any those of ordinary skill in the art; Under the situation that does not break away from the utility model technical scheme scope; All the technology contents of above-mentioned announcement capable of using is made many possible changes and modification to the utility model technical scheme, or is revised as the equivalent embodiment of equivalent variations.Therefore, every content that does not break away from the utility model technical scheme, all should drop in the scope of the utility model technical scheme protection any simple modification, equivalent variations and modification that above embodiment did according to the utility model technical spirit.
Claims (7)
1. one kind is used for the anchor head sealing device that prestressed concrete pipe road mud jacking is constructed; It is characterized in that: comprise being respectively applied for first seal closure (1) and second seal closure (2) that the anchor plate (5) with said pipeline (10) two ends is tightly connected, said first seal closure (1) and second seal closure (2) are equipped with the on-off valve (3) that is used for exhaust.
2. the anchor head sealing device that is used for the mud jacking construction of prestressed concrete pipe road according to claim 1 is characterized in that: said first seal closure (1) is provided with reserves mud jacking hole (11).
3. the anchor head sealing device that is used for the mud jacking construction of prestressed concrete pipe road according to claim 2; It is characterized in that: said first seal closure (1) is provided with and is used for first fastener hole (12) that is connected with anchor plate (5) through securing member (6), and said second seal closure (2) is provided with and is used for second fastener hole (21) that is connected with anchor plate (5) through securing member (6).
4. according to claim 2 or the 3 described anchor head sealing devices that are used for the mud jacking construction of prestressed concrete pipe road; It is characterized in that: be provided with first sealing mat (7) between said first seal closure (1) and the anchor plate (5), be provided with second sealing mat (8) between said second seal closure (2) and the anchor plate (5).
5. the anchor head sealing device that is used for the mud jacking construction of prestressed concrete pipe road according to claim 4 is characterized in that: be equipped with securing member inserting hole (9) on said first sealing mat (7) and second sealing mat (8).
6. the anchor head sealing device that is used for the mud jacking construction of prestressed concrete pipe road according to claim 4, it is characterized in that: said first sealing mat (7) is provided with and reserves the through hole (71) of mud jacking hole (11) arranged concentric.
7. the anchor head sealing device that is used for the mud jacking construction of prestressed concrete pipe road according to claim 5, it is characterized in that: said first sealing mat (7) is provided with and reserves the through hole (71) of mud jacking hole (11) arranged concentric.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220300743 CN202627544U (en) | 2012-06-26 | 2012-06-26 | Anchor head sealing device used for prestressed concrete pipeline mudjacking construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220300743 CN202627544U (en) | 2012-06-26 | 2012-06-26 | Anchor head sealing device used for prestressed concrete pipeline mudjacking construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202627544U true CN202627544U (en) | 2012-12-26 |
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ID=47380753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220300743 Expired - Fee Related CN202627544U (en) | 2012-06-26 | 2012-06-26 | Anchor head sealing device used for prestressed concrete pipeline mudjacking construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202627544U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103452051A (en) * | 2013-09-23 | 2013-12-18 | 甘肃路桥建设集团有限公司 | Bridge grouting anchor head sealing method |
| CN105386409A (en) * | 2015-11-18 | 2016-03-09 | 浙江金筑交通建设有限公司 | Grout-flow-preventing mechanism for anchor end of pre-stressed beam plate and grouting method for pre-stressed beam plate |
| WO2022052438A1 (en) * | 2020-09-09 | 2022-03-17 | 中国五冶集团有限公司 | End plugging device for pre-stressed pipeline press-grouting |
-
2012
- 2012-06-26 CN CN 201220300743 patent/CN202627544U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103452051A (en) * | 2013-09-23 | 2013-12-18 | 甘肃路桥建设集团有限公司 | Bridge grouting anchor head sealing method |
| CN103452051B (en) * | 2013-09-23 | 2016-06-29 | 甘肃路桥建设集团有限公司 | Bridge mud jacking anchor head encapsulating method |
| CN105386409A (en) * | 2015-11-18 | 2016-03-09 | 浙江金筑交通建设有限公司 | Grout-flow-preventing mechanism for anchor end of pre-stressed beam plate and grouting method for pre-stressed beam plate |
| CN105386409B (en) * | 2015-11-18 | 2017-05-03 | 浙江金筑交通建设有限公司 | Grout-flow-preventing mechanism for anchor end of pre-stressed beam plate and grouting method for pre-stressed beam plate |
| WO2022052438A1 (en) * | 2020-09-09 | 2022-03-17 | 中国五冶集团有限公司 | End plugging device for pre-stressed pipeline press-grouting |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121226 Termination date: 20170626 |
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| CF01 | Termination of patent right due to non-payment of annual fee |