CN102717253A - Flange gasket replacement expander - Google Patents
Flange gasket replacement expander Download PDFInfo
- Publication number
- CN102717253A CN102717253A CN2012102151030A CN201210215103A CN102717253A CN 102717253 A CN102717253 A CN 102717253A CN 2012102151030 A CN2012102151030 A CN 2012102151030A CN 201210215103 A CN201210215103 A CN 201210215103A CN 102717253 A CN102717253 A CN 102717253A
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- pipeline
- hydraulic cylinder
- flange gasket
- dilator
- mould
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Abstract
The invention relates to a flange gasket replacement expander. A flange gasket is arranged between connecting flanges on two adjacent pipelines. The replacement expander is characterized by comprising two pipeline dies respectively fixed on the two pipelines, two hydraulic cylinders for driving the two pipeline dies to move in opposite directions, and a hydraulic pump for providing power, wherein a single pipeline die consists of two oppositely arranged semicircular parts; fastening plates are fixedly arranged at the two ends of each semicircular part; bolt fastening holes and a hydraulic cylinder pin hole are formed in each fastening plate; and U-shaped ferrules are arranged on the hydraulic cylinders and telescopic rods thereof. The flange gasket is conveniently arranged at an appropriate position, and the pipelines are sealed; the replacement expander is convenient to use, high in working efficiency, time-saving and labor-saving, and the maintained pipelines are difficult to leak; and the replacement expander has the advantages of simple and reasonable structure and obvious effect and is convenient to popularize and apply.
Description
Technical field
The present invention relates to a kind of flange gasket and change dilator, in particular, relate in particular to a kind of hydraulic pressure that adopts and order about the flange gasket replacing dilator that adjacent flanges forms certain operating space.
Background technology
In service in actual production, the mounting flange mat is that pipeline connects necessary procedure, is the key that realizes that pipeline is tightly connected.Pads placement is installed improper meeting and is directly caused the pipeline connection poorly sealed, causes to the actual production operation to have a strong impact on.After pipeline uses a period of time, if flange connections generation seepage need be changed flange gasket.
In actual production, need the flange mat be installed in suitable position.Behind the pipeline long-play, influenced by self gravitation and can cause pipeline to be out of shape, cause the extruding of pipeline adpting flange overstocked, when changing operation, can't directly flange gasket be fit into wherein.The general employing led the pipeline of chain to both direction pulling both sides, but so that the adpting flange place forms operating clearance, this method installing and replacing flange mat is time-consuming effort again.
Summary of the invention
The present invention provides a kind of hydraulic pressure that adopts to order about the flange gasket replacing dilator that adjacent flanges forms certain operating space in order to overcome the shortcoming of above-mentioned technical problem.
Flange gasket of the present invention is changed dilator; Flange gasket is arranged between the adpting flange on two adjacent lines, and its special feature is: said replacing dilator comprises the two pipeline moulds that are individually fixed on two pipelines, be used to order about two pipeline moulds does two hydraulic cylinders of motion dorsad and the hydraulic pump that is used to provide power; Single pipeline mould is made up of two semicircular parts that are oppositely arranged, and the two ends of semicircular part all are fixed with binding, offer bolt fastening hole and hydraulic cylinder pinhole on the binding; Be provided with the U-shaped collar on the expansion link of hydraulic cylinder and hydraulic cylinder, offer the fixing hole that matches with the hydraulic cylinder pinhole on the U-shaped collar, hydraulic cylinder is provided with the snap joint of suppressing that is connected with hydraulic pump.
What the pipeline mould was firm is fixed on two adjacent lines, and hydraulic cylinder is realized the driving to the pipeline mould, so that realize the separation of two adjacent adpting flanges, so that form the space of being convenient to the flange gasket dismounting and installing.The pipeline mould adopts two semicircular parts to constitute, and is convenient to be fixed on the different-diameter pipeline; Bolt fastening hole on the binding realizes being fastenedly connected of semicircular part in twos.The U-shaped collar at hydraulic cylinder, expansion link two ends fixing with binding on, and, realized being fastenedly connected of hydraulic cylinder and pipeline mould through the cooperating of hydraulic cylinder pinhole and fixing hole move so that hydraulic cylinder orders about the pipeline mould.
Flange gasket of the present invention is changed dilator, is fixed with a plurality of mould ages of a draught animal of realizing that the pipeline mould is located on pipeline on the inner surface of said semicircular part.Through the mould age of a draught animal is set, can increase the frictional force between pipeline mould and the pipeline effectively, be convenient to the pipeline mould and be securely fixed on the pipeline.
Flange gasket of the present invention is changed dilator, and said pipeline mould is a stainless steel material; Semicircular part place diameter of a circle is 273mm, and the thickness of semicircular part, binding is 10mm; The surface area of binding is 150mmX150mm.
Flange gasket of the present invention is changed dilator, and the quantity of said bolt fastening hole is two, and the diameter of bolt fastening hole is 22mm; The diameter of said hydraulic cylinder pinhole is 30mm.
The invention has the beneficial effects as follows: (1) the present invention is through being provided with the hydraulic cylinder that can be fixed on the pipeline mould on the pipeline effectively and order about the motion of pipeline mould; Can between two adjacent adpting flanges, form the operating space; Be convenient to flange gasket and install in place, guarantee the sealing of pipeline.(2) because the semicircular part that pipeline mould employing two matches realizes that be convenient to fix with the pipeline of many models, the range of application of feasible replacing dilator is more extensive.(3) the present invention adopts hydraulic-driven, and hydraulic cylinder is provided with and suppresses snap joint, makes that to change dilator more convenient to use, time saving and energy saving.(4) change dilator through flange gasket of the present invention, the flange connections on the existing pipeline is safeguarded, high efficiency, time saving and energy saving not only, and easy to leak not after the maintenance.
Description of drawings
Fig. 1 is the perspective view of pipeline mould among the present invention;
Fig. 2 is the perspective view of hydraulic cylinder among the present invention;
Fig. 3 is the perspective view that flange gasket of the present invention is changed dilator.
Among the figure: 1 pipeline mould, 2 hydraulic cylinders, 3 semicircular parts, 4 bindings, 5 bolt fastening hole, 6 hydraulic cylinder pinholes, the 7 mould ages of a draught animal, 8 expansion links, 9 suppress snap joint, the 10 U-shaped collars, 11 fixing holes, 12 adpting flanges, 13 pipelines.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is described further.
Like Fig. 3, Fig. 2 and shown in Figure 1; Provide flange gasket of the present invention respectively and changed the perspective view of dilator, pipeline mould 1 and hydraulic cylinder 2; Shown flange gasket is changed dilator and is comprised two pipeline moulds 1, two hydraulic cylinders 2; Two pipeline moulds 1 are used for fixing on two pipelines 13 that link to each other, and hydraulic cylinder 2 fixes with pipeline mould 1; Carry out dorsad so that utilize hydraulic cylinder 2 to order about two pipeline moulds 1,, be convenient to the dismounting and the installation of flange gasket so that form the operation cavity between the two adjacent adpting flanges 12.
Single pipeline mould 1 shown in Figure 1 comprises two semicircular parts 3 that cooperatively interact, and the two ends of semicircular part 3 all are fixed with binding 4, offers two bolt fastening hole 5 and hydraulic cylinder pinhole 6 on each binding 4.Two semicircular parts 3 match and form the circular cavity match with pipeline 13, are fixed with the mould age of a draught animal 7 of a plurality of convexities on semicircular part 3 inner surfaces, so that effectively increase the frictional force with pipeline 13, assurance pipeline mould 1 is securely on the pipeline 13.In the process of using, through two semicircular parts 3 are stuck on the same position of pipeline 13, connect through bolt fastening hole 5 again, can realize effectively that pipeline mould 1 is fastened on the pipeline 13.
The end of hydraulic cylinder 2 shown in Figure 2, the expansion link 8 of hydraulic cylinder all is fixed with the U-shaped collar 10, offers the fixing hole 11 that matches with hydraulic cylinder pinhole 6 on the U-shaped collar 10.Hydraulic cylinder 2 is provided with suppresses snap joint 9, suppresses snap joint 9 realizations and is connected fast with hydraulic pump, so that hydraulic pump orders about expansion link 8 motions.In use, through pin being inserted in fixing hole 11, the hydraulic cylinder pinhole 6, can realize being fixedly connected of hydraulic cylinder 2 and two pipeline moulds 1 effectively.
Wherein, pipeline mould 1 is a stainless steel material, so that long-term the use.Semicircular part 3 place diameter of a circles are 273mm, and the thickness of semicircular part 3, binding 4 is 10mm; The surface area of binding 4 is 150mmX150mm.The quantity of bolt fastening hole 5 is two, and the diameter of bolt fastening hole is 22mm; The diameter of said hydraulic cylinder pinhole 6 is 30mm.
The use step that flange gasket of the present invention is changed dilator is following:
At first, two pipeline moulds 1 are separately fixed on adjacent two pipelines 13; In the time of fixedly, two semicircular parts 3 that cooperatively interact are snapped on the same position of pipeline 13, again bolt is screwed in the bolt fastening hole 5, so that realize pipeline mould 1 fixing on pipeline 13.
Then; Extend into the length in the hydraulic cylinder 2 through adjustment expansion link 8; The U-shaped collar 10 at two ends is snapped onto on two bindings 4 that match, and through pin being presented in fixing hole 11 and the hydraulic cylinder pinhole 6, realization hydraulic cylinder 2 is fixedly connected with pipeline mould 1.
At last, will suppress snap joint 9 and be connected,, two adjacent adpting flanges 12 will be separated to the distance that can supply operate, and carry out the dismounting of flange gasket and install getting final product through manually or automatically suppressing with hydraulic pump.Because the operating space is big, be convenient to flange gasket and install in place, guarantee the sealing of pipeline.
Claims (4)
1. a flange gasket is changed dilator; Flange gasket is arranged between the adpting flange (12) on two adjacent lines (13), it is characterized in that: said replacing dilator comprises the two pipeline moulds (1) that are individually fixed on two pipelines, be used to order about two pipeline moulds does two hydraulic cylinders (2) of motion dorsad and the hydraulic pump that is used to provide power; Single pipeline mould is made up of two semicircular parts (3) that are oppositely arranged, and the two ends of semicircular part all are fixed with binding (4), offer bolt fastening hole (5) and hydraulic cylinder pinhole (6) on the binding; Be provided with the U-shaped collar (10) on the expansion link of hydraulic cylinder and hydraulic cylinder (8), offer the fixing hole (11) that matches with the hydraulic cylinder pinhole on the U-shaped collar, hydraulic cylinder be provided be connected with hydraulic pump suppress snap joint (9).
2. flange gasket according to claim 1 is changed dilator, it is characterized in that: be fixed with realization pipeline mould (1) is gone up the location at pipeline (13) a plurality of mould age of a draught animal (7) on the inner surface of said semicircular part (3).
3. flange gasket according to claim 1 and 2 is changed dilator, and it is characterized in that: said pipeline mould (1) is a stainless steel material; Semicircular part (3) place diameter of a circle is 273mm, and the thickness of semicircular part, binding (4) is 10mm; The surface area of binding is 150mmX150mm.
4. flange gasket according to claim 1 and 2 is changed dilator, and it is characterized in that: the quantity of said bolt fastening hole (5) is two, and the diameter of bolt fastening hole is 22mm; The diameter of said hydraulic cylinder pinhole (6) is 30mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102151030A CN102717253A (en) | 2012-06-27 | 2012-06-27 | Flange gasket replacement expander |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102151030A CN102717253A (en) | 2012-06-27 | 2012-06-27 | Flange gasket replacement expander |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102717253A true CN102717253A (en) | 2012-10-10 |
Family
ID=46943194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102151030A Pending CN102717253A (en) | 2012-06-27 | 2012-06-27 | Flange gasket replacement expander |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102717253A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104948723A (en) * | 2015-05-11 | 2015-09-30 | 夏云美 | Hydraulic control rod of cycloidal pin gear speed reducer |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB190305174A (en) * | 1903-03-05 | 1904-03-05 | William Maine Treglown | Improvements in and relating to Hose Couplings |
| GB1126872A (en) * | 1964-09-17 | 1968-09-11 | Avica Equip | Improvements in and relating to adjustable pipe joints |
| US4769889A (en) * | 1985-10-16 | 1988-09-13 | Michael J. Landman | Apparatus for replacing pipe gaskets |
| US5129136A (en) * | 1991-03-22 | 1992-07-14 | Richardson H Gary | Flange spreader |
| CN2616782Y (en) * | 2003-04-18 | 2004-05-19 | 胡浩 | Flange deviation-rectifying device |
| CN201727991U (en) * | 2010-07-14 | 2011-02-02 | 山东煤机装备集团有限公司 | Vertical pressure filter strainer plate locking device |
| CN201818935U (en) * | 2010-10-13 | 2011-05-04 | 天津中港石油设备制造有限公司 | Insulating flange |
| CN202716030U (en) * | 2012-06-27 | 2013-02-06 | 李世强 | Expanding device for replacing flange gasket |
-
2012
- 2012-06-27 CN CN2012102151030A patent/CN102717253A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB190305174A (en) * | 1903-03-05 | 1904-03-05 | William Maine Treglown | Improvements in and relating to Hose Couplings |
| GB1126872A (en) * | 1964-09-17 | 1968-09-11 | Avica Equip | Improvements in and relating to adjustable pipe joints |
| US4769889A (en) * | 1985-10-16 | 1988-09-13 | Michael J. Landman | Apparatus for replacing pipe gaskets |
| US5129136A (en) * | 1991-03-22 | 1992-07-14 | Richardson H Gary | Flange spreader |
| CN2616782Y (en) * | 2003-04-18 | 2004-05-19 | 胡浩 | Flange deviation-rectifying device |
| CN201727991U (en) * | 2010-07-14 | 2011-02-02 | 山东煤机装备集团有限公司 | Vertical pressure filter strainer plate locking device |
| CN201818935U (en) * | 2010-10-13 | 2011-05-04 | 天津中港石油设备制造有限公司 | Insulating flange |
| CN202716030U (en) * | 2012-06-27 | 2013-02-06 | 李世强 | Expanding device for replacing flange gasket |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104948723A (en) * | 2015-05-11 | 2015-09-30 | 夏云美 | Hydraulic control rod of cycloidal pin gear speed reducer |
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| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20121010 |