CN215857219U - Interim sealed protector of ground tackle - Google Patents
Interim sealed protector of ground tackle Download PDFInfo
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- CN215857219U CN215857219U CN202120685547.5U CN202120685547U CN215857219U CN 215857219 U CN215857219 U CN 215857219U CN 202120685547 U CN202120685547 U CN 202120685547U CN 215857219 U CN215857219 U CN 215857219U
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Abstract
The utility model relates to a temporary sealing protection device for an anchorage device, which comprises a sealing cover, a pressure ring and a sealing ring, wherein a connecting flange is arranged at the end part of the sealing cover, the sealing ring is arranged on an anchor backing plate in a cushioning manner, the pressure ring is arranged on the sealing ring in a cushioning manner, and the width of the pressure ring is not less than that of the sealing ring, so that the pressure ring can completely cover the end surface of the sealing ring; the sealing cover covers the end of the anchorage device, the connecting flange is pressed on the pressing ring, and therefore the pressing ring and the sealing ring are pressed on the anchor backing plate through the connecting flange, and sealing protection of the end of the anchorage device is achieved. The exposed part of the anchorage device can be sealed and protected.
Description
Technical Field
The utility model relates to the field of prestressed structure protection, in particular to a temporary sealing protection device for an anchorage device.
Background
In the construction process of the vertical prestress of the bridge, after the vertical prestressed tendons and the anchorage devices are installed and concrete is poured, the vertical prestressed tendons and the anchorage devices can be tensioned only when the concrete has enough strength and enough age. In the construction process of adopting a hanging basket cantilever for cast-in-place of a bridge, the concrete creep shrinkage is convenient to construct and reduced. The common bridge vertical prestress tension lags 2-3 bridge sections. Therefore, a long time is required for the vertical prestressed tendons to stretch from the concrete pouring. The prestressed tendons exposed outside in the time period are particularly easy to be corroded by rainwater or atmospheric water, so that the phenomenon of rusting occurs when the prestressed tendons are not tensioned, and the anchoring performance of the steel strand is influenced. Therefore, it is necessary to provide a technical solution for sealing and protecting the exposed part of the anchor.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide a temporary sealing and protecting device for an anchorage device, which can seal and protect the exposed part of the anchorage device.
The purpose of the utility model is realized by the following technical scheme:
a temporary sealing protection device for an anchorage device comprises a sealing cover, a pressing ring and a sealing ring, wherein a connecting flange is arranged at the end part of the sealing cover, the sealing ring is arranged on an anchor backing plate in a cushioning manner, the pressing ring is arranged on the sealing ring in a cushioning manner, and the width of the pressing ring is not less than that of the sealing ring, so that the pressing ring can completely cover the end surface of the sealing ring; the sealing cover covers the end of the anchorage device, the connecting flange is pressed on the pressing ring, and therefore the pressing ring and the sealing ring are pressed on the anchor backing plate through the connecting flange, and sealing protection of the end of the anchorage device is achieved.
The sealing cover, the pressing ring and the sealing ring are fixed by the connecting bolt which penetrates through the connecting flange, the pressing ring and the sealing ring and is in threaded connection with the anchor backing plate.
Preferably, in the above aspect, the pressing ring is a rigid metal ring.
Preferably, in the above scheme, the sealing ring is a flexible rubber ring.
Preferably, in the above aspect, the width of the pressing ring is equal to the width of the sealing ring.
Preferably, in the above scheme, the connecting flange is provided with a through hole corresponding to the grouting hole in the anchor backing plate, and a grouting hole sealing bolt passes through the through hole and is in threaded connection with the grouting hole, so as to seal the grouting hole.
As another embodiment of the utility model, the temporary sealing protection device for the anchorage device further comprises a connector arranged in the sealing cover, wherein the connector is annular and is provided with internal threads, the connector is matched with the external threads of the anchor plate, and the connector is driven to rotate by rotating the sealing cover, so that the connector can be screwed in to push a connecting flange on the sealing cover to compress the compression ring.
Preferably, in the above aspect, the connector is fixed in the sealing cover by means of screw fixation or welding fixation.
The utility model has the following beneficial effects: the utility model discloses a temporary sealing protection device for an anchorage device, which seals the end part (comprising exposed anchor plates, clamping pieces, steel strands and other structures) of the anchorage device in a closed space through a sealing cover, and can prevent moisture from corroding the exposed structure of the end part of the anchorage device, thereby playing a role in protecting the anchorage device. In order to further guarantee the sealing effect, be provided with the sealing washer, can effectively improve sealed effect, and be equipped with the clamping ring between sealing washer and sealed cowling, the terminal surface of sealing washer can be covered completely to the clamping ring, can guarantee from this that whole sealing washer is all compressed tightly, and after fastening sealed cowling, the sealing washer can not exist because the local condition that can not get the extrusion and the perk to sealed effect has effectively been guaranteed. Meanwhile, the steel strand is arranged in the sealed sealing cover, so that the purpose of protecting the steel strand from being damaged by construction equipment can be achieved.
Drawings
FIG. 1 is a schematic cross-sectional view of an anchor temporary seal guard of example 1;
FIG. 2 is a schematic structural view of a sealing cap according to embodiment 1;
FIG. 3 is a schematic cross-sectional view of the anchor temporary seal guard of example 2;
fig. 4 is a schematic structural view of a connector of embodiment 2.
The specific structure in the figure illustrates that: 11 anchor backing plates, 12 anchor plates, 2 sealing covers, 21 connecting flanges, 22 through holes, 23 connecting holes, 3 pressing rings, 4 sealing rings, 5 connecting bolts, 6 grouting hole sealing bolts and 7 connectors.
Detailed Description
The present invention will be described in further detail with reference to the following examples, which are given in the accompanying drawings.
Example 1.
Referring to fig. 1-2, the temporary sealing protection device for the anchorage device comprises a sealing cover 2, a pressing ring 3 and a sealing ring 4, wherein a connecting flange 21 is arranged at the end part of the sealing cover 2, the sealing ring 2 is arranged on an anchor backing plate 11 in a cushioning manner, the pressing ring 3 is arranged on the sealing ring 4 in a cushioning manner, and the width of the pressing ring 3 is not less than that of the sealing ring 4, so that the pressing ring 3 can completely cover the end surface of the sealing ring 4; the sealing cover 2 covers the end of the anchorage device, the connecting flange 21 is pressed on the pressing ring 3, and therefore the pressing ring 3 and the sealing ring 4 are pressed on the anchor backing plate 11 through the connecting flange 21, and sealing protection of the end of the anchorage device is achieved.
In the embodiment, the end part (comprising the exposed anchor plate, the clamping piece, the steel strand and other structures) of the anchor is sealed in the closed space through the sealing cover 2, so that the exposed structure at the end part of the anchor can be prevented from being corroded by moisture, and the protection effect on the anchor is achieved. In order to further guarantee the sealing effect, be provided with sealing washer 4, can effectively improve sealed effect, and be equipped with clamping ring 3 between sealing washer 4 and sealed cowling 2, clamping ring 3 can cover the terminal surface of sealing washer 4 completely, can guarantee from this that whole sealing washer 4 is all compressed tightly, and after fastening sealed cowling 2, sealing washer 4 can not exist because the local condition that can not get the extrusion and the perk to sealed effect has effectively been guaranteed. Meanwhile, the steel strand is arranged in the sealed sealing cover 2, so that the purpose of protecting the steel strand from being damaged by construction equipment can be achieved.
In this embodiment, the sealing cover further comprises a connecting bolt 5, a plurality of connecting holes 23 allowing the connecting bolt 5 to pass through are formed in the connecting flange 21, the pressing ring 3 and the sealing ring 4, and the connecting bolt 5 passes through the connecting flange 21, the pressing ring 3 and the sealing ring 4 and is in threaded connection with the anchor backing plate 11, so that the sealing cover 2, the pressing ring 3 and the sealing ring 4 are fixed. This fixed mode easy dismounting, and installation back good reliability.
Preferably, in the above embodiment, the pressing ring 3 is a rigid metal ring.
Preferably, in the above scheme, the sealing ring 4 is a flexible rubber ring.
Preferably, in the above embodiment, the width of the pressing ring 3 is equal to the width of the sealing ring 4.
Preferably, in the above scheme, the connecting flange 21 is provided with a through hole 22 corresponding to the grouting hole on the anchor backing plate 11, and the grouting hole closing bolt 6 passes through the through hole 22 and is in threaded connection with the grouting hole, so as to realize sealing of the grouting hole.
Example 2.
In some cases, the anchor backing plate 11 cannot be fixed by the connecting bolt 5 without bolt holes or without bolt hole blockage, and the sealing cover 2 cannot be fixed by only closing the bolt by grouting holes. For an anchor plate 12 provided with an external thread, the present embodiment provides a solution, in particular as follows:
referring to fig. 3-4, the temporary sealing protection device for the anchorage device further comprises a connector 7 arranged in the sealing cover 2, wherein the connector 7 is annular and is provided with internal threads, the connector 7 is matched with the external threads of the anchor plate 12, and the connector 7 is driven to rotate by rotating the sealing cover 2, so that the connector 7 can be screwed in to further push the connecting flange 21 on the sealing cover 2 to compress the compression ring 3.
Preferably, in the above-mentioned solution, the connector 7 is fixed in the sealing cover 2 by means of screw fixation or welding fixation.
The above description is only a preferred embodiment of the present invention, but not intended to limit the scope of the utility model, and all simple equivalent changes and modifications made in the claims and the specification of the present invention are within the scope of the present invention.
Claims (8)
1. An anchor device temporary sealing protection device is characterized in that: the sealing device comprises a sealing cover, a pressing ring and a sealing ring, wherein a connecting flange is arranged at the end part of the sealing cover, the sealing ring is arranged on an anchor backing plate in a cushioning manner, the pressing ring is arranged on the sealing ring in a cushioning manner, and the width of the pressing ring is not less than that of the sealing ring, so that the pressing ring can completely cover the end surface of the sealing ring; the sealing cover covers the end of the anchorage device, the connecting flange is pressed on the pressing ring, and therefore the pressing ring and the sealing ring are pressed on the anchor backing plate through the connecting flange, and sealing protection of the end of the anchorage device is achieved.
2. An anchor temporary seal guard according to claim 1, wherein: still include connecting bolt, connecting bolt passes flange, clamping ring and sealing washer and with anchor backing plate threaded connection to this realization will sealed cowling, clamping ring and sealing washer are fixed.
3. An anchor temporary seal guard according to claim 1, wherein: the compression ring is a rigid metal ring.
4. An anchor temporary seal guard according to claim 1, wherein: the sealing ring is a flexible rubber ring.
5. An anchor temporary seal guard according to claim 1, wherein: the width of clamping ring equals the width of sealing washer.
6. An anchor temporary seal guard according to claim 1, wherein: still including locating connector in the sealed cowling, the connector is cyclic annular and opens there is the internal thread, the connector is with the external screw thread fit of anchor slab, through rotating the sealed cowling drives the connector is rotatory, can with the connector screw in and then promote flange on the sealed cowling compresses tightly the clamping ring.
7. An anchor temporary seal guard according to claim 6, wherein: the connector is fixed in the sealing cover in a screw fixing or welding fixing mode.
8. An anchor temporary seal guard according to claim 1, wherein: the connecting flange is provided with a through hole corresponding to the grouting hole in the anchor backing plate, and a grouting hole sealing bolt penetrates through the through hole and is in threaded connection with the grouting hole, so that the grouting hole is sealed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120685547.5U CN215857219U (en) | 2021-04-02 | 2021-04-02 | Interim sealed protector of ground tackle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120685547.5U CN215857219U (en) | 2021-04-02 | 2021-04-02 | Interim sealed protector of ground tackle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215857219U true CN215857219U (en) | 2022-02-18 |
Family
ID=80318558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120685547.5U Active CN215857219U (en) | 2021-04-02 | 2021-04-02 | Interim sealed protector of ground tackle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215857219U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114607100A (en) * | 2022-03-25 | 2022-06-10 | 襄阳中铁宏吉工程技术有限公司 | Anchor for stretching external prestressed cable |
-
2021
- 2021-04-02 CN CN202120685547.5U patent/CN215857219U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114607100A (en) * | 2022-03-25 | 2022-06-10 | 襄阳中铁宏吉工程技术有限公司 | Anchor for stretching external prestressed cable |
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