CN203395436U - Underground coal mine used steel lining inorganic gel compound pipe used matching flange - Google Patents
Underground coal mine used steel lining inorganic gel compound pipe used matching flange Download PDFInfo
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- CN203395436U CN203395436U CN201320469529.9U CN201320469529U CN203395436U CN 203395436 U CN203395436 U CN 203395436U CN 201320469529 U CN201320469529 U CN 201320469529U CN 203395436 U CN203395436 U CN 203395436U
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- steel lining
- flange
- composite pipe
- inorganic gel
- cover
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Abstract
The utility model discloses an underground coal mine used steel lining inorganic gel compound pipe used matching flange structurally comprising a flange plate sheet provided with connecting mounting holes and a locating connecting sleeve integrated with the flange plate sheet into a whole. A groove matching with a spiral rib on the outer wall of a steel lining pipe is arranged on the inner wall of the locating connecting sleeve, and the groove forms a limit structure with the spiral rib for connecting and locating a compound pipe. The groove matching with the spiral rib of the steel lining pipe is adopted to form the limit structure, so that the flange is prevented from falling off from the compound pipe and safety factor of the flange connection is increased.
Description
Technical field
The utility model relates to a kind of design of flange, is specifically related to the supporting flange of a kind of underground mine use Steel Lining inorganic gel composite pipe.
Background technique
A lot of fields such as colliery, oil and natural gas exploitation and conveying all need inflammable, the explosive media such as large-scale pipeline conveying gas body, liquid or fluidized solid, therefore conveyance conduit is had higher requirements, not only require it to there is the excellent performance such as fire-retardant, antistatic, and require pipeline to there is conventional mechanical property (as bending resistance, tension, shock resistance).
Steel Lining inorganic gel composite pipe is to make to strengthen skeleton with Steel Lining pipe, on the outer wall of Steel Lining pipe, be successively wound around to infiltrate inorganic gel slurry inorfil cloth, and spray inorganic gel composite material and chopped strand forms certain thickness enhancement layer simultaneously, then on the outer wall of enhancement layer, make surface conductance layer.Adopt this Steel Lining inorganic gel composite pipe can meet the requirement to the mechanical property of delivery pipe and flame-retardant and anti-static performance under coal mine completely, but in the environment of the inferior harshness of coal mine, when the pressure in composite pipe increases suddenly, what need to consider is not only the ability that composite pipe bears interior pressure, and the reliability being connected between pipeline and pipeline is also the emphasis of considering.
Above-mentioned Steel Lining inorganic gel composite pipe often connects by flange, and under the prerequisite of Composite pipe properties excellence, the reliability being located by connecting between flange and composite pipe becomes one of key.If adopt common flange, only by the bonding force after inorganic gel sclerosis, flange and composite pipe are located by connecting, the interior pressure of composite pipe is easy to be greater than cohesive force and causes flange to be deviate from composite pipe, causes the flammable explosive gas of carrying to reveal, cause security incident.Therefore, how to prevent that flange from departing from from the composite pipe with its location is the technical problem of being badly in need of solution.
Summary of the invention
The technical problems to be solved in the utility model is to provide the supporting flange of a kind of underground mine use Steel Lining inorganic gel composite pipe, its inwall at flange is made the limit structure coordinating with Steel Lining pipe, having increased the join strength between flange and composite pipe, is a guarantee greatly of the connection reliability of flange and composite pipe.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
The supporting flange of a kind of underground mine use Steel Lining inorganic gel composite pipe, its structure comprises the flange plate sheet that is provided with the hole that is linked and packed, also comprise and the flange plate sheet all-in-one-piece cover that is located by connecting, the inwall of cover of being located by connecting be provided with Steel Lining pipe outer wall on the supporting groove of spiral bar, described groove forms composite pipe with spiral bar and is connected the limit structure of locating.
Preferably, described in be located by connecting on the outer wall of cover and process retaining groove, described retaining groove forms backing stop structure with the impregnation inorfil cloth in being wrapped in.
The utility model also provides a kind of lap joint flange identical with said structure, be that its structure comprises the flange plate sheet that is provided with the hole that is linked and packed, also comprise the be flexibly connected cover supporting with flange plate sheet, the inwall of described flexible connection cover be provided with Steel Lining pipe outer wall on the supporting groove of spiral bar, described groove forms composite pipe with spiral bar and is connected the limit structure of locating.
In technique scheme, utilized the outer wall of Steel Lining pipe to be provided with the feature of spiral bar, on the inwall of cover or flexible connection cover that is located by connecting, spiral helicine groove is set, coordinate the limit structure that forms screw-thread fit formula with spiral bar, this limit structure, in conjunction with the cohesive force after inorganic gel sclerosis, can effectively prevent that flange from deviating from composite pipe.
The beneficial effect that adopts technique scheme to produce is: (1) the utility model adopts the groove coordinating with Steel Lining pipe spiral bar, has formed limit structure, can prevent that flange from deviating from composite pipe; (2) in further improved plan, retaining groove is set on the outer wall of connecting sleeve, the inorfil cloth being wrapped in this groove plays the effect of retaining after inorganic gel sclerosis, flange is positioned on Steel Lining pipe securely; (3) in further improved plan, described flange plate sheet be located by connecting overlap between arc transition, can eliminate stress concentrated, prevent that flange plate sheet from tearing from the cover that is located by connecting.
Accompanying drawing explanation
Fig. 1 is the structural representation that partly cuts open of the present utility model;
Fig. 2 is the structure for amplifying schematic diagram at II place in Fig. 1;
Fig. 3 is application structure schematic diagram of the present utility model;
1, flange plate sheet, 1-1, the hole that is linked and packed, 2A, the cover that is located by connecting, 2B, be flexibly connected cover, 2-1, groove, 2-2, retaining groove, 3, Steel Lining pipe, 3-1, spiral bar, 4, enhancement layer, 5, surface conductance layer, 6, steel-wire carcass.
Embodiment
The first embodiment
Referring to Fig. 1 and Fig. 2, structure of the present utility model comprises the flange plate sheet 1 that is provided with the hole 1-1 that is linked and packed, also comprise with flange plate sheet 1 all-in-one-piece and be located by connecting and overlap 2A, the inwall of cover 2A of being located by connecting be provided with Steel Lining pipe 3 outer walls on the supporting groove 2-1 of spiral bar 3-1, described groove 2-1 forms composite pipe with spiral bar 3-1 and is connected the limit structure of locating.Steel Lining pipe 3 makes by lock seaming technique or spiral welded technique the body that pipe outer wall is provided with spiral bar 3-1, forms the limit structure of screw-thread fit formula with the groove on the connecting sleeve 2A of position.The described inwall that is located by connecting cover 2A is provided with groove 2-1 and is at least greater than half-turn, has formed stable being connected with spiral bar 3-1, in conjunction with the cohesive force after inorganic gel sclerosis, can effectively prevent that flange from deviating from from Steel Lining pipe.
On the outer wall of cover 2A that is located by connecting, be also processed with retaining groove 2-2, described retaining groove 2-2 forms backing stop structure with the impregnation inorfil cloth in being wrapped in.Described retaining groove 2-2 along the outer wall of the cover 2A that is located by connecting in the shape of a spiral or circular.And angle α≤90 ° of the retaining end face bus of retaining groove 2-2 and flange plate sheet 1 axis.Described retaining groove 2-2 is set to 1-5 circle.Be wrapped in inorfil cloth in retaining groove 2-2 and formed integral body after inorganic gel sclerosis, formed the structure of similar hangnail, effectively prevent that flange from deviating from Steel Lining pipe.
When the cover that is located by connecting is firm with being connected enough of composite pipe, because flange plate sheet 1 contacts end with composite pipe, it is stress concentrated layer, flange plate sheet 1 becomes stress concentration point with the tie point of the cover 2A that is located by connecting, flange plate sheet 1 is easily torn from this point, therefore, flange plate sheet 1 surface is connected with the arc surface transition that is being located by connecting between cover 2A outer surface, and the centrostigma that can effectively eliminate stress like this, prevents tearing of flange plate sheet 1.
The concrete application of the utility model in Steel Lining inorganic gel composite pipe is referring to Fig. 3, it comprises Steel Lining pipe 3, the flange that connects said structure at the two ends of described Steel Lining pipe 3, installation steps are: first on be located by connecting the cover inwall of 2A and the outer wall of Steel Lining pipe 3, be coated with steel bonded structural adhesive, then by the outer wall of supporting flange precession Steel Lining pipe 3, form limit structure; Then at flanged Steel Lining pipe outer wall, be wound around and enter the inorfil cloth of inorganic gel slurry, and spray inorganic gel composite material and chopped strand simultaneously, form enhancement layer 4; Finally on the surface of enhancement layer 4, by winding process, prepare fibre-reinforced inorganic gel surface conductance layer 5.At the interior all right winding steel wire skeleton 5 of enhancement layer 4.
The second embodiment
In the present embodiment, flange plate sheet 1 and the structural type that is flexibly connected cover 2B formation lap joint flange.Wherein, the inwall that is flexibly connected cover 2B be provided with Steel Lining pipe 3 outer walls on the supporting groove 2-1 of spiral bar 3-1, described groove 2-1 forms with spiral bar 3-1 the limit structure that composite pipe is connected location, by groove 2-1, flexible connection cover 2B and Steel Lining pipe 3, be located by connecting, flange plate sheet 1 is sleeved on and is flexibly connected on cover 2B.
On the outer wall of described flexible connection cover 2B, process retaining groove 2-2, described retaining groove 2-2 forms backing stop structure with the impregnation inorfil cloth in being wrapped in.Described retaining groove 2-2 along the outer wall that is flexibly connected cover 2B in the shape of a spiral or circular, and angle≤90 ° of its retaining end face bus and its axis.
In sum, that supporting flange of the present utility model and Steel Lining inorganic gel composite pipe have formed is stable, is reliably connected, can effectively prevent that flange from deviating from composite pipe, has improved the safety coefficient of flange connection.
Claims (10)
1. the supporting flange of underground mine use Steel Lining inorganic gel composite pipe, its structure comprises the flange plate sheet (1) that is provided with the hole that is linked and packed (1-1), it is characterized in that also comprising in the structure of described supporting flange and flange plate sheet (1) the all-in-one-piece cover (2A) that is located by connecting, the inwall of cover (2A) of being located by connecting be provided with Steel Lining pipe (3) outer wall on the supporting groove (2-1) of spiral bar (3-1), described groove (2-1) forms composite pipe with spiral bar (3-1) and is connected the limit structure of locating.
2. the supporting flange of underground mine use Steel Lining inorganic gel composite pipe according to claim 1, described in it is characterized in that, be located by connecting on the outer wall of cover (2A) and process retaining groove (2-2), described retaining groove (2-2) forms backing stop structure with the impregnation inorfil cloth in being wrapped in.
3. the supporting flange of underground mine use Steel Lining inorganic gel composite pipe according to claim 2, is characterized in that described retaining groove (2-2) along the outer wall of the cover (2A) that is located by connecting in the shape of a spiral or circular.
4. the supporting flange of underground mine use Steel Lining inorganic gel composite pipe according to claim 2, is characterized in that the retaining end face bus of described retaining groove (2-2) and the angle (α)≤90 ° of flange plate sheet (1) axis.
5. the supporting flange of underground mine use Steel Lining inorganic gel composite pipe according to claim 1, is characterized in that flange plate sheet (1) surface is connected with the arc surface transition that is being located by connecting between cover (2A) outer surface.
6. the supporting flange of underground mine use Steel Lining inorganic gel composite pipe according to claim 1, the inwall of the cover (2A) that is located by connecting described in it is characterized in that is provided with groove (2-1) and is at least greater than half-turn.
7. the supporting flange of underground mine use Steel Lining inorganic gel composite pipe according to claim 2, is characterized in that described retaining groove (2-2) is set to 1-5 circle.
8. the supporting flange of underground mine use Steel Lining inorganic gel composite pipe, its structure comprises the flange plate sheet (1) that is provided with the hole that is linked and packed (1-1), characterized by further comprising supporting with flange plate sheet (1) cover (2B) that is flexibly connected, the inwall of described flexible connection cover (2B) be provided with Steel Lining pipe (3) outer wall on the supporting groove (2-1) of spiral bar (3-1), described groove (2-1) forms composite pipe with spiral bar (3-1) and is connected the limit structure of locating.
9. the supporting flange of underground mine use Steel Lining inorganic gel composite pipe according to claim 8, it is characterized in that processing retaining groove (2-2) on the outer wall of described flexible connection cover (2B), described retaining groove (2-2) forms backing stop structure with the impregnation inorfil cloth in being wrapped in.
10. the supporting flange of underground mine use Steel Lining inorganic gel composite pipe according to claim 9, it is characterized in that described retaining groove (2-2) along the outer wall that is flexibly connected cover (2B) in the shape of a spiral or circular, and angle≤90 ° of its retaining end face bus and its axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320469529.9U CN203395436U (en) | 2013-08-02 | 2013-08-02 | Underground coal mine used steel lining inorganic gel compound pipe used matching flange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320469529.9U CN203395436U (en) | 2013-08-02 | 2013-08-02 | Underground coal mine used steel lining inorganic gel compound pipe used matching flange |
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| Publication Number | Publication Date |
|---|---|
| CN203395436U true CN203395436U (en) | 2014-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320469529.9U Expired - Lifetime CN203395436U (en) | 2013-08-02 | 2013-08-02 | Underground coal mine used steel lining inorganic gel compound pipe used matching flange |
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| CN (1) | CN203395436U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105782603A (en) * | 2016-04-05 | 2016-07-20 | 中国船舶重工集团公司第七〇二研究所 | Composite material structural part with metal flanges and preparing method of composite material structural part |
| CN106195482A (en) * | 2016-09-09 | 2016-12-07 | 中交隧道局电气化工程有限公司 | It is applicable to the flange connecting assembly of metal bellows |
| CN107376449A (en) * | 2017-07-19 | 2017-11-24 | 江苏鑫泰岩土科技有限公司 | It is a kind of to be used for the Yield rainfall relations such as mud, sludge, refuse landfill, Tailings Dam, exhaust, the filter pipe of supercharging |
| CN111059117A (en) * | 2019-12-26 | 2020-04-24 | 上海交通大学 | Composite material cylindrical part and metal flange connecting structural part and preparation method thereof |
-
2013
- 2013-08-02 CN CN201320469529.9U patent/CN203395436U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105782603A (en) * | 2016-04-05 | 2016-07-20 | 中国船舶重工集团公司第七〇二研究所 | Composite material structural part with metal flanges and preparing method of composite material structural part |
| CN106195482A (en) * | 2016-09-09 | 2016-12-07 | 中交隧道局电气化工程有限公司 | It is applicable to the flange connecting assembly of metal bellows |
| CN107376449A (en) * | 2017-07-19 | 2017-11-24 | 江苏鑫泰岩土科技有限公司 | It is a kind of to be used for the Yield rainfall relations such as mud, sludge, refuse landfill, Tailings Dam, exhaust, the filter pipe of supercharging |
| CN111059117A (en) * | 2019-12-26 | 2020-04-24 | 上海交通大学 | Composite material cylindrical part and metal flange connecting structural part and preparation method thereof |
| CN111059117B (en) * | 2019-12-26 | 2023-12-29 | 上海交通大学 | Composite cylindrical part and metal flange connecting structural part and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220118 Address after: 063700 No. 5 Alishan street, Luan county economic and Technological Development Zone, Tangshan City, Hebei Province Patentee after: TANGSHAN JIAJI COMPOSITE PIPE Corp.,Ltd. Address before: 063700 No. 5 Alishan street, Luan county economic and Technological Development Zone, Tangshan City, Hebei Province Patentee before: Lun Huidong |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140115 |
|
| CX01 | Expiry of patent term |