CN203023737U - Short-bolt type expansive self-stress grouting hoop - Google Patents
Short-bolt type expansive self-stress grouting hoop Download PDFInfo
- Publication number
- CN203023737U CN203023737U CN 201220736148 CN201220736148U CN203023737U CN 203023737 U CN203023737 U CN 203023737U CN 201220736148 CN201220736148 CN 201220736148 CN 201220736148 U CN201220736148 U CN 201220736148U CN 203023737 U CN203023737 U CN 203023737U
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- China
- Prior art keywords
- flange
- saddle plate
- seal ring
- end surface
- ring
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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 - Lifetime
Links
- 238000003825 pressing Methods 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims abstract description 5
- 239000011440 grout Substances 0.000 claims description 18
- 230000001771 impaired Effects 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 10
- 230000037250 Clearance Effects 0.000 claims description 6
- 230000035512 clearance Effects 0.000 claims description 6
- 230000002787 reinforcement Effects 0.000 abstract description 6
- 238000010276 construction Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000002522 swelling Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Abstract
The utility model relates to repair and reinforcement of ocean structures, and in particular relates to a short-bolt type expansive self-stress grouting hoop. The short-bolt type expansive self-stress grouting hoop comprises an upper hoop and a lower hoop, wherein the upper hoop comprises an upper saddle plate and an upper flange, and the lower loop comprises a lower saddle plate and a lower flange; both the upper saddle plate and the lower saddle plate are in shape of semicircular pipes; an axial annular inner chamber for placing a damaged pipe is formed between the upper saddle plate and the lower saddle plate; both the upper flange and the lower flange are arranged along two axial sides of the hoops; a flange is fixedly connected with the lower flange through short bolts; the short bolts are arranged at intervals along the upper flange and the lower flange; an axial sealing component is arranged between the upper flange and the lower flange; end surface seal rings are arranged on the axial end surfaces of the upper hoop and the lower hoop; pressing plates are arranged on the outer sides of the end surface seal rings; and the end surface seal rings are fixedly connected with an annular baffle plate through fixing bolts and the pressing plates. The short-bolt type expansive self-stress grouting hoop is simple in structure, light in weight, high in allowable manufacturing tolerance, convenience in underwater construction, and high in durability and bearing capacity, and is applicable to the reinforcement and repair of the ocean structure.
Description
Technical field
The utility model relates to a kind of repairing and reinforcement of marine structure, and especially a kind of lag bolt type expansion is from the stress technique of grouted clamp.
Background technique
At present, ocean platform pipe fitting and submerged pipeline in use due to tired or corrosion, breakage to a certain degree can occur after long-term the use, in order to guarantee its normal operation, need to carry out maintenance and reinforcement work to ocean platform pipe fitting and submerged pipeline.Because damage location occurs under water, WET WELDING is difficult to carry out, so repair becomes very difficult.
The model utility content
The purpose of this utility model is to have proposed a kind of lag bolt type expansion from the stress technique of grouted clamp, and it is simple in structure, and is lightweight, the permission manufacturing tolerances is large, underwater construction is convenient, has good durability and bearing capacity, is applicable to the repairing and reinforcement of marine structure.
the utility model is to adopt following technological scheme to realize: a kind of lag bolt type expansion is from the stress technique of grouted clamp, comprise front band and lower catch hoop, wherein, described front band comprises saddle plate and upper flange, lower catch hoop comprises lower saddle plate and lower flange, upper saddle plate and lower saddle plate all are the semicircle tubulose, form an axial annular cavity that is used for placing impaired pipe fitting between upper saddle plate and lower saddle plate, upper flange and lower flange all arrange along the axial both sides of clip, the lower end surface of upper flange and upper saddle plate is welded to connect, the upper end of lower flange and lower saddle plate is welded to connect, be fixedly connected with by lag bolt between upper flange and lower flange, lag bolt is along upper flange and lower flange interval setting, the bottom of lower catch hoop is provided with pulp inlet, the top of front band is provided with grout outlet, pulp inlet and grout outlet all with upper saddle plate and lower saddle plate between annular cavity be communicated with, there is the annular space between the inwall of impaired pipe fitting and upper saddle plate and lower saddle plate, be filled with the grout blanket that is mixed with dilatant in this annular space, be provided with axial seal between upper flange and lower flange, the axial end of front band and lower catch hoop is provided with end-face seal ring, end-face seal ring is positioned at the outside of grout blanket, be provided with ring baffle between end-face seal ring and grout blanket, ring baffle is welded on the internal surface of saddle plate and lower saddle plate, the outside of end-face seal ring is provided with pressing plate, end-face seal ring passes through fixing bolt, pressing plate is fixedly connected with ring baffle.
In the utility model, described lag bolt runs through upper flange, axial seal and lower flange, one end of lag bolt is provided with nut, be equipped with pad between upper flange and nut and between lower flange and bolt head, described axial seal is fixed between upper flange and lower flange by lag bolt, nut and pad.
Described ring baffle comprises ring baffle and lower ring baffle, there is radial clearance between ring baffle and impaired pipe fitting, there is the gap between upper ring baffle and lower ring baffle, ring baffle is provided with the tapped hole for the anchor portion seal ring, and tapped hole is along the even interval setting of the circumferential surface of ring baffle.
Described end-face seal ring comprises upper-end surface seal ring and lower end surface seal ring, upper-end surface seal ring and lower end surface seal ring all are the semicircular ring shape, without radial clearance, be provided with the sealing bed course between upper-end surface seal ring and lower end surface seal ring between upper-end surface seal ring and lower end surface seal ring and impaired pipe fitting.
The beneficial effects of the utility model are: this yoke configurations is simply compact, lightweight, and the stay bolt clip that its steel structure weight ratio is reinforced the pipe fitting size on an equal basis reduces more than 30%; The axial seal structure of lag bolt makes the grouting swelling pressure more even, and the stay bolt clip that the bearing capacity ratio that endwisely slips of clip is reinforced the pipe fitting size on an equal basis improves more than 20%; Underwater construction is convenient, and operating expenses is low, has also improved the Security of underwater construction simultaneously, has good durability and bearing capacity, is applicable to the repairing and reinforcement of marine structure.
Description of drawings
Fig. 1 is that master of the present utility model looks sectional view;
Fig. 2 is the partial enlarged drawing of lag bolt joint;
Fig. 3 is vertical view cutaway drawing of the present utility model;
Fig. 4 is the schematic diagram of end face seal annular baffle plate;
Fig. 5 is the schematic diagram of end-face seal ring.
In figure: 1 front band; 2 grout outlets; Saddle plate on 3; 4 upper flanges; 5 lower flanges; 6 times saddle plates; 7 grout outlets; 8 lower catch hoops; 9 grout blankets; 10 impaired pipe fittings; 11 lag bolts; 12 nuts; 13 fixing bolts; 14 end-face seal rings; 15 ring baffles; 16 axial seals; 17 pads; 18 pressing plates; 19 sealing bed courses.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further.
Fig. 1 to Fig. 3 is that lag bolt type expansion described in the utility model is from the stress technique of grouted clamp, comprise front band 1 and lower catch hoop 8, front band comprises saddle plate 3 and upper flange 4, lower catch hoop comprises lower saddle plate 6 and lower flange 5, upper saddle plate 3 and lower saddle plate 6 all are the semicircle tubulose, form an axial annular cavity that is used for placing impaired pipe fitting 10 between upper saddle plate 3 and lower saddle plate 6.Upper flange 4 and lower flange 5 all arrange along the axial both sides of clip, and upper flange 4 is welded to connect with the lower end surface of upper saddle plate 3, and lower flange 5 is welded to connect with the upper end of lower saddle plate 6.Be fixedly connected with by lag bolt 11 between upper flange 4 and lower flange 5, lag bolt 11 is along upper flange 4 and lower flange 5 intervals settings.
The bottom of lower catch hoop 8 is provided with pulp inlet 7, the top of front band 1 is provided with grout outlet 2, pulp inlet 7 and grout outlet 2 all with upper saddle plate 3 and lower saddle plate 6 between annular cavity be communicated with, there is the annular space between the inwall of impaired pipe fitting 10 and upper saddle plate 3 and lower saddle plate 6, is filled with the grout blanket 9 that is mixed with dilatant in this annular space.Be provided with axial seal 16 between upper flange 4 and lower flange 5, lag bolt 11 runs through upper flange 4, axial seal 16 and lower flange 5, lag bolt 11 1 ends are provided with nut 12, be equipped with pad 17 between upper flange 4 and nut and between lower flange 5 and bolt head, axial seal 16 is fixed between upper flange 4 and lower flange 5 by lag bolt 11, nut 12 and pad 17, is used for preventing the grouting leakage.Two axial end faces of front band 1 and lower catch hoop 8 are equipped with end-face seal ring 14, and end-face seal ring 14 is positioned at the outside of grout blanket 9.Described end-face seal ring 14 comprises upper-end surface seal ring and lower end surface seal ring, upper-end surface seal ring and lower end surface seal ring all are the semicircular ring shape, between upper-end surface seal ring and lower end surface seal ring and impaired pipe fitting 10 without radial clearance, be provided with sealing bed course 19 between upper-end surface seal ring and lower end surface seal ring, be used for preventing that from there is the gap of grouting leakage in upper end portion seal ring and lower end surface seal ring at hoop.Be provided with ring baffle 15 between end-face seal ring 14 and grout blanket 9, ring baffle 15 comprises ring baffle and lower ring baffle, and upper ring baffle and lower ring baffle are welded on respectively the internal surface of saddle plate and lower saddle plate.Radially and between impaired pipe fitting 10 there is radial clearance in ring baffle 15, there is the gap between upper ring baffle and lower ring baffle, have tapped hole for anchor portion seal ring 14 at ring baffle 15, tapped hole arranges along the circumferential surface of ring baffle 15 even interval.The outside of end-face seal ring 14 is provided with pressing plate 18, and end-face seal ring 14 is fixedly connected with ring baffle 15 by fixing bolt 13, pressing plate 18, is used for preventing the grouting leakage.
Claims (4)
1. a lag bolt type expansion is from the stress technique of grouted clamp, comprise front band (1) and lower catch hoop (8), it is characterized in that: described front band comprises saddle plate (3) and upper flange (4), lower catch hoop comprises lower saddle plate (6) and lower flange (5), upper saddle plate (3) and lower saddle plate (6) all are the semicircle tubulose, form one between upper saddle plate (3) and lower saddle plate (6) and axial be used for placing the annular cavity of impaired pipe fitting (10), upper flange (4) and lower flange (5) all arrange along the axial both sides of clip, upper flange (4) is welded to connect with the lower end surface of upper saddle plate (3), lower flange (5) is welded to connect with the upper end of lower saddle plate (6), be fixedly connected with by lag bolt (11) between upper flange (4) and lower flange (5), lag bolt (11) is along upper flange (4) and lower flange (5) interval setting, the bottom of lower catch hoop (8) is provided with pulp inlet (7), the top of front band (1) is provided with grout outlet (2), pulp inlet (7) and grout outlet (2) all with upper saddle plate (3) and lower saddle plate (6) between annular cavity be communicated with, there is the annular space between the inwall of impaired pipe fitting (10) and upper saddle plate (3) and lower saddle plate (6), be filled with the grout blanket (9) that is mixed with dilatant in this annular space, be provided with axial seal (16) between upper flange (4) and lower flange (5), the axial end of front band (1) and lower catch hoop (8) is provided with end-face seal ring (14), end-face seal ring (14) is positioned at the outside of grout blanket (9), be provided with ring baffle (15) between end-face seal ring (14) and grout blanket (9), ring baffle (15) is welded on the internal surface of saddle plate and lower saddle plate, the outside of end-face seal ring (14) is provided with pressing plate (18), end-face seal ring (14) is by fixing bolt (13), pressing plate (18) is fixedly connected with ring baffle (15).
2. lag bolt type expansion according to claim 1 is from the stress technique of grouted clamp, it is characterized in that: described lag bolt (11) runs through upper flange (4), axial seal (16) and lower flange (5), one end of lag bolt (11) is provided with nut (12), be equipped with pad (17) between upper flange (4) and nut and between lower flange (5) and bolt head, described axial seal (16) is fixed between upper flange (4) and lower flange (5) by lag bolt (11), nut (12) and pad (17).
3. lag bolt type expansion according to claim 1 is from the stress technique of grouted clamp, it is characterized in that: described ring baffle (15) comprises ring baffle and lower ring baffle, there is radial clearance between ring baffle (15) and impaired pipe fitting, there is the gap between upper ring baffle and lower ring baffle, ring baffle (15) is provided with the tapped hole for the anchor portion seal ring, and tapped hole is along the even interval setting of the circumferential surface of ring baffle.
4. lag bolt type expansion according to claim 1 is from the stress technique of grouted clamp, it is characterized in that: described end-face seal ring (14) comprises upper-end surface seal ring and lower end surface seal ring, upper-end surface seal ring and lower end surface seal ring all are the semicircular ring shape, without radial clearance, be provided with sealing bed course (19) between upper-end surface seal ring and lower end surface seal ring between upper-end surface seal ring and lower end surface seal ring and impaired pipe fitting (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220736148 CN203023737U (en) | 2012-12-28 | 2012-12-28 | Short-bolt type expansive self-stress grouting hoop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220736148 CN203023737U (en) | 2012-12-28 | 2012-12-28 | Short-bolt type expansive self-stress grouting hoop |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203023737U true CN203023737U (en) | 2013-06-26 |
Family
ID=48647722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220736148 Expired - Lifetime CN203023737U (en) | 2012-12-28 | 2012-12-28 | Short-bolt type expansive self-stress grouting hoop |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203023737U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105351677A (en) * | 2015-10-26 | 2016-02-24 | 中国华冶科工集团有限公司 | Method for repairing gas pipeline system in gas delivering process |
| CN109882744A (en) * | 2019-04-25 | 2019-06-14 | 韦玉健 | A kind of fast accurate is not necessarily to the device for detecting sealability to pressurize to device |
| CN113718740A (en) * | 2021-07-22 | 2021-11-30 | 海洋石油工程股份有限公司 | Novel repairing and reinforcing method for jacket platform structure rod piece |
-
2012
- 2012-12-28 CN CN 201220736148 patent/CN203023737U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105351677A (en) * | 2015-10-26 | 2016-02-24 | 中国华冶科工集团有限公司 | Method for repairing gas pipeline system in gas delivering process |
| CN109882744A (en) * | 2019-04-25 | 2019-06-14 | 韦玉健 | A kind of fast accurate is not necessarily to the device for detecting sealability to pressurize to device |
| CN113718740A (en) * | 2021-07-22 | 2021-11-30 | 海洋石油工程股份有限公司 | Novel repairing and reinforcing method for jacket platform structure rod piece |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130626 |