CN111119055A - A fastener formula seals anchor device fast for post-tensioned prestressing force - Google Patents
A fastener formula seals anchor device fast for post-tensioned prestressing force Download PDFInfo
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- CN111119055A CN111119055A CN201910865397.3A CN201910865397A CN111119055A CN 111119055 A CN111119055 A CN 111119055A CN 201910865397 A CN201910865397 A CN 201910865397A CN 111119055 A CN111119055 A CN 111119055A
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- fastener
- hoop
- anchor
- connecting rod
- hinge structure
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a fastener type rapid anchor sealing device for post-tensioning prestressing force, which comprises: the fastener structure comprises a connecting rod and a fastener, one end of the connecting rod is connected to one end of the first anchor ear through a first hinge structure, the connecting rod rotates around the first hinge structure, the other end of the connecting rod is connected with the fastener through a second hinge structure, and the fastener rotates around the second hinge structure and is matched with a locking notch arranged at one end of the second anchor ear to realize locking and fixing; the hoop structure comprises a first hoop, a second hoop and sealing rubber, the sealing rubber is arranged between a hoop and an anchor ring formed by the first hoop and the second hoop, and one end of the first hoop and one end of the second hoop are connected through a third hinge structure to realize winding opening and closing; the fixing structure comprises a pin, a plug board and a slot, the slot is welded and fixed on the first hoop, the plug board is inserted into the slot, and a jack of the slot is aligned with a grouting hole of the anchor backing plate. The fastener type rapid anchor sealing device provided by the invention is simple in structure, convenient and fast to operate, and capable of rapidly and effectively finishing post-tensioning prestress end sealing.
Description
Technical Field
The invention belongs to the technical field of bridge engineering, and particularly relates to a fastener type rapid anchor sealing device for post-tensioning prestressing.
Background
The bridge construction is an indispensable link in the highway railway construction and develops rapidly, and is the most brilliant period of the large-span bridge construction in the past ten years. The use of post-tensioning prestressing force becomes more and more extensive, and traditional post-tensioning prestressing force pore canal need seal the anchor before pouring water injection mud, seals the anchor and generally uses cement mortar, seals the anchor after, need wait to seal anchor mortar and reach certain intensity, just can carry out prestressing force pipeline slip casting, latency is longer. In the process of using mortar to seal the anchor, an operator is very easy to cause the condition of untight plugging, and slurry leakage is caused in the grouting process. Particularly, when prestressed pipelines such as tower columns and the like are arranged in the vertical direction and the height difference reaches tens of meters, the large cement slurry pressure often causes the falling or leakage of the sealing anchor mortar. At this time, the pipeline needs to be flushed and the anchor needs to be sealed again, which wastes a large amount of construction time.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a fastener type quick anchor sealing device for post-tensioning prestressing.
The technical scheme is as follows:
a fastener-type quick anchor sealing device for post-tensioning prestressing, comprising: fastener structure, staple bolt structure and fixed knot construct, wherein:
the fastener structure comprises a connecting rod 7 and a fastener 9, one end of the connecting rod 7 is connected to one end of the first anchor ear 4 through a first hinge structure 6, the connecting rod 7 rotates around the first hinge structure 6, the other end of the connecting rod 7 is connected with the fastener 9 through a second hinge structure 8, and the fastener 9 rotates around the second hinge structure 8 and is matched with a locking notch arranged at one end of the second anchor ear 5 to realize locking and fixing;
the hoop structure comprises a first hoop 4, a second hoop 5 and sealing rubber 10, the sealing rubber 10 is arranged between a hoop formed by the first hoop 4 and the second hoop 5 and an anchor ring 12, and one ends of the first hoop 4 and the second hoop 5 are connected through a third hinge structure 11 to realize the bypassing opening and closing.
Preferably, fixed knot constructs including pin 1, picture peg 2 and slot 3, and 3 welded fastening of slot are on first staple bolt 4, and in picture peg 2 inserted slot 3, the jack of slot 3 and the slip casting pore pair of anchor backing plate 13, the jack that the pin 1 was pulled into slot 3 is used for the first staple bolt 4 of temporary fixation.
The invention has the technical advantages that:
the fastener type rapid anchor sealing device provided by the invention is simple in structure, convenient and fast to operate, capable of rapidly and effectively finishing post-tensioning prestress end sealing, simple and convenient to process and operate, high in fault tolerance rate, low in technical requirement on workers, capable of avoiding rework and capable of saving construction period; the anchor sealing device can be conveniently disassembled after grouting is completed, can be recycled, and is low in cost; the concrete expression is as follows:
1) one end of connecting rod 7 is served at one of first staple bolt 4 through first hinge structure 6 connection, connecting rod 7 can rotate through first hinge structure 6, fastener 9 is connected at the other end of connecting rod 7, block fastener 9 in the fore shaft department of 5 one ends of second staple bolt, connecting rod 7 in the geometric relation this moment, fastener 9, staple bolt fore shaft opening line forms triangle-shaped, anticlockwise rotation connecting rod 7 to connecting rod 7, fastener 9, opening is located a straight line before first staple bolt 4 and the closed of second staple bolt 5, be greater than the third principle according to triangle-shaped both sides sum this moment, inevitably lead to staple bolt 4, 5 fore shaft is closed.
2) The closed back of first staple bolt 4 and the 5 fore shaft of second staple bolt department holds anchor ring 12 tightly, can increase frictional force between anchor ring 12 and first staple bolt 4 and the 5 second staple bolts through sealing rubber 10 this moment, avoids the huge pressure that the slip casting produced to lead to sealing the anchor device and became invalid.
3) The slot 3 is welded and fixed on the first hoop 4, the inserting plate 2 is inserted into the slot 3, the inserting hole of the slot 3 is aligned with the grouting hole of the anchor backing plate 13, the inserting hole of the slot 3 is disassembled into the pin 1 to be used for temporarily fixing the first hoop 4, and the first hoop 4 and the second hoop 5 are prevented from rotating along with the rotation of the fastener.
Drawings
FIG. 1 is a top view of a fastener type quick anchor seal for post-tensioning prestressing, as opened;
FIG. 2 is a top view of the fastener type quick anchor sealing device for post-tensioning prestressing in the closed state;
FIG. 3 is a side view of a fastener type quick anchor sealing device for post tensioning prestressing;
fig. 4 is a diagonal side view of a fastener type quick anchor sealing device for post tensioning prestressing.
Description of reference numerals:
1-pin, 2-inserting plate, 3-slot, 4-first anchor ear, 5-second anchor ear, 6-first hinge structure, 7-connecting rod, 8-second hinge structure, 8, 9-fastener, 10-sealing rubber, 11-third hinge structure, 12-anchor ring and 13-anchor backing plate.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the following describes in detail a fastening type quick anchor sealing device for post-tensioning prestressing according to the present invention with reference to the following embodiments. The following examples are intended to illustrate the invention only and are not intended to limit the scope of the invention.
Example 1
A fastener-type quick anchor sealing device for post-tensioning prestressing, comprising: fastener structure, staple bolt structure and fixed knot construct.
The fastener structure comprises a connecting rod 7 and a fastener 9, one end of the connecting rod 7 is connected to one end of the first anchor ear 4 through a first hinge structure 6, the connecting rod 7 rotates around the first hinge structure 6, the other end of the connecting rod 7 is connected with the fastener 9 through a second hinge structure 8, and the fastener 9 rotates around the second hinge structure 8 and is matched with a locking notch arranged at one end of the second anchor ear 5 to realize locking and fixing;
the hoop structure comprises a first hoop 4, a second hoop 5 and sealing rubber 10, the sealing rubber 10 is arranged between a hoop formed by the first hoop 4 and the second hoop 5 and an anchor ring 12, and one end of the first hoop 4 is connected with one end of the second hoop 5 through a third hinge structure 11 to realize the winding opening and closing;
the fixing structure comprises a pin 1, a plug board 2 and a slot 3, the slot 3 is welded and fixed on the first hoop 4, the plug board 2 is inserted into the slot 3, a jack of the slot 3 is aligned with a grouting hole of the anchor backing plate 13, and the jack of the slot 3 which is disassembled into the pin 1 is used for temporarily fixing the first hoop 4.
One end of connecting rod 7 is served at one of first staple bolt 4 through first hinge structure 6 connection, connecting rod 7 can rotate through first hinge structure 6, fastener 9 is connected at the other end of connecting rod 7, block fastener 9 in the fore shaft department of 5 one ends of second staple bolt, connecting rod 7 in the geometric relation this moment, fastener 9, staple bolt fore shaft opening line forms triangle-shaped, anticlockwise rotation connecting rod 7 to connecting rod 7, fastener 9, opening is located a straight line before first staple bolt 4 and the closed of second staple bolt 5, be greater than the third principle according to triangle-shaped both sides sum this moment, inevitably lead to staple bolt 4, 5 fore shaft is closed.
The closed back of first staple bolt 4 and the 5 fore shaft of second staple bolt department holds anchor ring 12 tightly, can increase frictional force between anchor ring 12 and first staple bolt 4 and the 5 second staple bolts through sealing rubber 10 this moment, avoids the huge pressure that the slip casting produced to lead to sealing the anchor device and became invalid.
In addition, slot 3 welded fastening is on first staple bolt 4, and in picture peg 2 inserted slot 3, the jack of slot 3 was aligned with the grout hole of anchor backing plate 13, and the jack of slot 3 is torn into to pin 1 is used for the first staple bolt 4 of temporary fixation, avoids first staple bolt 4, second staple bolt 5 to rotate along with it when rotating the fastener.
The fastener type quick anchor sealing device for post-tensioning prestressing is applied to a double-cable-side single-pylon cable-stayed bridge without a back cable, a main pylon is a prestressed concrete leaning pylon, an upper pylon is 71.6m high, 60m of a prestressed concrete part is inclined backwards for 30, the main pylon is constructed in 10 sections, a lower pylon is 12.5m, a bearing platform is 5m high, prestressed corrugated pipes are arranged from the bearing platform to the top of the main pylon in a stretching grid chamber section by section, the maximum vertical height difference reaches 76.99m, and after concrete pouring is completed and the strength reaches 100%, the prestress in the main pylon is stretched. The fastener type rapid anchor sealing device provided by the invention has the advantages of good anchor sealing effect, high efficiency, controllability and obviously shortened construction period.
In conclusion, the fastener type rapid anchor sealing device provided by the invention is simple in structure, convenient and fast to operate, capable of rapidly and effectively finishing post-tensioning prestress end sealing, simple and convenient to process and operate, high in fault tolerance rate, low in technical requirement on workers, capable of avoiding reworking and saving construction period; the anchor sealing device can be conveniently disassembled after grouting is completed, and the anchor sealing device can be recycled and is low in cost.
The present invention is not limited to the above-described examples, and various changes can be made without departing from the spirit and scope of the present invention within the knowledge of those skilled in the art.
Claims (1)
1. A fastener-type quick anchor sealing device for post-tensioning prestressing, comprising: fastener structure and staple bolt structure, its characterized in that:
the fastener structure comprises a connecting rod (7) and a fastener (9), one end of the connecting rod (7) is connected to one end of the first anchor ear (4) through a first hinge structure (6), the connecting rod (7) rotates around the first hinge structure (6), the other end of the connecting rod (7) is connected to the fastener (9) through a second hinge structure (8), and the fastener (9) rotates around the second hinge structure (8) and is matched with a lock opening arranged at one end of the second anchor ear (5) to realize locking and fixing;
the anchor ear structure comprises a first anchor ear (4), a second anchor ear (5) and sealing rubber (10), wherein the sealing rubber (10) is arranged between an anchor ring (12) and an embracing ring formed by the first anchor ear (4) and the second anchor ear (5), and one ends of the first anchor ear (4) and the second anchor ear (5) are connected through a third hinge structure (11) to realize bypassing opening and closing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910865397.3A CN111119055A (en) | 2019-09-12 | 2019-09-12 | A fastener formula seals anchor device fast for post-tensioned prestressing force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910865397.3A CN111119055A (en) | 2019-09-12 | 2019-09-12 | A fastener formula seals anchor device fast for post-tensioned prestressing force |
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| Publication Number | Publication Date |
|---|---|
| CN111119055A true CN111119055A (en) | 2020-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910865397.3A Pending CN111119055A (en) | 2019-09-12 | 2019-09-12 | A fastener formula seals anchor device fast for post-tensioned prestressing force |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1181422B1 (en) * | 1999-06-03 | 2003-04-02 | Freyssinet International Stup | Device for anchoring a structural cable |
| CN201391704Y (en) * | 2009-03-24 | 2010-01-27 | 上海瑞孚管路系统有限公司 | Quick pipeline connector |
| CN201507148U (en) * | 2009-06-15 | 2010-06-16 | 中铁电气化局集团有限公司 | Round concrete pillar adjustment device |
| CN103022957A (en) * | 2011-09-22 | 2013-04-03 | 博爱县电业公司 | Fixing device of cable connecting sleeve |
| CN206800646U (en) * | 2017-06-04 | 2017-12-26 | 中国建筑第七工程局有限公司 | A kind of post stretching bonded prestress indent sealing off and covering anchorage built-in fitting |
| CN207048184U (en) * | 2017-08-16 | 2018-02-27 | 中铁十七局集团第四工程有限公司 | Precast beam steel strand wires protection device |
| CN108643045A (en) * | 2018-04-27 | 2018-10-12 | 谢小红 | A kind of post-stressed hole path pressure grouting technique |
| CN108756253A (en) * | 2018-08-01 | 2018-11-06 | 中建五局华东建设有限公司 | A kind of post-stressed slip casting pulp mouth structure |
-
2019
- 2019-09-12 CN CN201910865397.3A patent/CN111119055A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1181422B1 (en) * | 1999-06-03 | 2003-04-02 | Freyssinet International Stup | Device for anchoring a structural cable |
| CN201391704Y (en) * | 2009-03-24 | 2010-01-27 | 上海瑞孚管路系统有限公司 | Quick pipeline connector |
| CN201507148U (en) * | 2009-06-15 | 2010-06-16 | 中铁电气化局集团有限公司 | Round concrete pillar adjustment device |
| CN103022957A (en) * | 2011-09-22 | 2013-04-03 | 博爱县电业公司 | Fixing device of cable connecting sleeve |
| CN206800646U (en) * | 2017-06-04 | 2017-12-26 | 中国建筑第七工程局有限公司 | A kind of post stretching bonded prestress indent sealing off and covering anchorage built-in fitting |
| CN207048184U (en) * | 2017-08-16 | 2018-02-27 | 中铁十七局集团第四工程有限公司 | Precast beam steel strand wires protection device |
| CN108643045A (en) * | 2018-04-27 | 2018-10-12 | 谢小红 | A kind of post-stressed hole path pressure grouting technique |
| CN108756253A (en) * | 2018-08-01 | 2018-11-06 | 中建五局华东建设有限公司 | A kind of post-stressed slip casting pulp mouth structure |
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