CN105135101A - Pipeline joint locking device - Google Patents
Pipeline joint locking device Download PDFInfo
- Publication number
- CN105135101A CN105135101A CN201510595153.XA CN201510595153A CN105135101A CN 105135101 A CN105135101 A CN 105135101A CN 201510595153 A CN201510595153 A CN 201510595153A CN 105135101 A CN105135101 A CN 105135101A
- Authority
- CN
- China
- Prior art keywords
- stop ring
- stop
- locking device
- fin
- pipe joint
- Prior art date
- 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.)
- Granted
Links
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L21/00—Joints with sleeve or socket
- F16L21/06—Joints with sleeve or socket with a divided sleeve or ring clamping around the pipe-ends
- F16L21/065—Joints with sleeve or socket with a divided sleeve or ring clamping around the pipe-ends tightened by tangentially-arranged threaded pins
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L21/00—Joints with sleeve or socket
- F16L21/08—Joints with sleeve or socket with additional locking means
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Joints Allowing Movement (AREA)
- Joints With Sleeves (AREA)
Abstract
The invention relates to the field of aero-engine component test part pipeline structure design, in particular to a pipeline joint locking device to at least solve the problem of an existing locking device that a pipeline joint is hard to mount and dismount. The pipeline joint comprises a gland nut and a hexagonal conical port. The pipeline joint locking device comprises a first stop ring and a second stop ring which are arranged in a horizontally symmetrical mode and detachably connected, a first damping gasket and a second damping gasket which are arranged in a horizontally symmetrical mode, and stop fins, wherein the gland nut is fastened by the stop rings through the damping gaskets, and the stop fins are used for fixing the relative positions of the first stop ring, the second stop ring and the conical port. According to the locking device, the connected gland nut and hexagonal conical port are tightly pressed by means of the stop rings and the damping gaskets matched with the stop rings, so that sealing and fixing effects are better; the first stop ring and the second stop ring are detachably connected to facilitate assembly and disassembly and can be repeatedly used.
Description
Technical field
The present invention relates to aeroengine component test part pipeline structure design field, be specifically related to a kind of locking device for pipe joint.
Background technique
In modern gas turbines and correlation test device thereof, for bleed, water flowing, often need to arrange One's name is legion, complex-shaped pipeline for wet goods demand.Pipe interface place adopts bulb, cone mouth to contact usually, and with gland nut to bulb apply must pressure with realizes seal.But because the operating temperature of modern gas turbines and testing apparatus thereof, pressure are all very high, oscillating load is also very large, and gland nut is very easily loosening, causes pipe joint to occur Seepage.Due to the restriction of pipe interface place structure and bulk, make common locking plate cannot be applied to pipe interface locking, and the tight mode of traditional locking wire lock be also subject to lock silk pitch-row from etc. factor impact, locking effect is limited.In addition, in gas turbin test device, part pipe joint needs frequent dismounting, traditional locks silk, and locking plate locking is disposable apparatus, then needs to change, cause certain waste and add dismounting difficulty after fractionation.
Summary of the invention
The object of this invention is to provide a kind of locking device for pipe joint, at least to solve the problem that existing locking device causes pipe joint dismounting difficulty.
Technological scheme of the present invention is:
For a locking device for pipe joint, pipe joint comprises gland nut and the cone mouth being with six sides, and the described locking device for pipe joint comprises:
Symmetrical first stop ring and the second stop ring, the opening end of described first stop ring adopts detachable connection with the opening end of described second stop ring, to form the stop ring of a ring-type when connecting;
Symmetrical first damping gasket and the second damping gasket, opening end and the second damping gasket opening end of described first damping gasket are oppositely arranged the damping gasket forming ring-type, described damping gasket is arranged in the ring-type endoporus of described stop ring, the external diameter of described damping gasket equals the internal diameter of described stop ring, described stop ring by described damping gasket by fastening for described gland nut;
Stop fin, be separately positioned on described first stop ring and described second stop ring, one of them side of six sides of described stop fin and described cone mouth matches, for described first stop ring and described second stop ring and described cone mouth relative position being fixed.
Alternatively, described first stop ring and described second stop ring are linked and packed by connecting bolt, attaching nut.
Alternatively, described first stop ring includes described stop fin with described second stop ring, is connected fin and semicircle clip;
Described semicircle clip internal diameter is identical with the cylindrical section external diameter of described gland nut;
Described stop fin bending, in L-type, be positioned in the middle part of semicircle clip, and overbending direction is towards described cone mouth.
Alternatively, the horizontal plane of described stop fin and vertical plane are fitted with the horizontal plane of described cone mouth six side and vertical plane respectively.
Alternatively, described connection fin is positioned at the circumferential two ends of described semicircle clip, described connection fin has the bolt hole for being connected with described connecting bolt.
Alternatively, the diameter of described connection fin upper bolt hole is 0.6 times of described connection fin width.
Alternatively, described first damping gasket and the second damping gasket are made up of the material that surface friction coefficient is high.
Beneficial effect of the present invention:
Locking device for pipe joint of the present invention, adopt stop ring and the damping gasket matched to the gland nut after being connected be with the cone mouth of six sides to compress, make to seal fixed effect better; First stop ring and second stop ring of stop ring adopt disassembly-type to be connected, and make easy accessibility, and reusable; In addition, stop ring is provided with the employing machining or casting stop fin that match with cone mouth side, without manual deformation process in installation process, convenient, and locking effect is reliable; Further, the stop ring with stop fin is installed and is had no special requirements to pipe joint rigging position, highly versatile.
Accompanying drawing explanation
Fig. 1 the present invention is used for the structural representation of the locking device of pipe joint;
Fig. 2 the present invention is used for the structural representation of one of them stop ring in the locking device of pipe joint;
Fig. 3 the present invention is used for the scheme of installation of the locking device of pipe joint.
Embodiment
Here will be described exemplary embodiment in detail, its sample table shows in the accompanying drawings.When description below relates to accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawing represents same or analogous key element.In describing the invention; it will be appreciated that; term " " center ", " longitudinal direction ", " transverse direction ", "front", "rear", "left", "right", " vertically ", " level ", " top ", " end " " interior ", " outward " etc. instruction orientation or position relationship be based on orientation shown in the drawings or position relationship; be only the present invention for convenience of description and simplified characterization; instead of instruction or imply indication device or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limiting the scope of the invention.
As shown in Figure 1 to Figure 3, the invention provides a kind of locking device for pipe joint, pipe joint comprises gland nut 5 and the cone mouth 7 being with six sides.Locking device comprises the first stop ring 11, second stop ring 12, first damping gasket 21, second damping gasket 22 and stop fin 10.
First stop ring 11 and the second stop ring 12, all in semi-annular shape, are symmetrical set; The opening end of the first stop ring 11 adopts detachable connection with the opening end of the second stop ring 12, to form the stop ring of a complete loop when connecting;
First damping gasket 21 and the second damping gasket 22, all in semi-annular shape, are symmetrical set; Opening end and second damping gasket 22 opening end of the first damping gasket 21 are oppositely arranged to form a complete loop damping gasket, damping gasket is arranged in the ring-type endoporus in the middle part of stop ring, the external diameter of damping gasket equals stop ring internal diameter, stop ring by damping gasket by fastening for gland nut 5.
First stop ring 11 and the second stop ring 12 are respectively arranged with one piece of stop fin 10, every block stop fin 10 matches with one of them side of six sides of cone mouth 7, for the first stop ring 11 and the second stop ring 12 being fixed with cone mouth 7 relative position.
Locking device for pipe joint of the present invention, adopt stop ring and the damping gasket matched to the gland nut after being connected be with the cone mouth of six sides to compress, first stop ring and second stop ring of stop ring adopt disassembly-type to be connected, make easy accessibility, and reusable; In addition, stop ring is provided with the employing machining or casting stop fin that match with cone mouth side, without manual deformation process in installation process, convenient, and locking effect is reliable, can be implemented in effective locking of high temperature in aeroengine and correlation test device thereof, high pressure, high vibrational loading working state lower pipeline joint; Further, the stop ring with stop fin is installed and is had no special requirements to pipe joint rigging position, highly versatile.
Of the present invention in the locking device of pipe joint, the first stop ring 11 can carry out detachable connection by multiple applicable mode with the second stop ring 12, in the present embodiment, is linked and packed preferably by connecting bolt 3, attaching nut 4.
Further, the first stop ring 11 includes stop fin 10 with the second stop ring 12, is connected fin 8 and semicircle clip 9.Wherein, semicircle clip 9 internal diameter is identical with the cylindrical section external diameter of gland nut 5.
Connecting the circumferential two ends that fin 8 is positioned at semicircle clip 9, connection fin 8 having the bolt hole for being connected with connecting bolt 3.Further, the diameter preferably connecting fin 8 upper bolt hole is 0.6 times that connects fin 8 width, to guarantee the stability connecting fin 8.
Stop fin 10 bends in L-type, can adopt machining or casting, be positioned in the middle part of semicircle clip 9, and overbending direction is towards cone mouth 7.And the horizontal plane A of stop fin 10 and vertical plane B fit, to limit the rotation of whole locking device with the horizontal plane C of cone mouth 7 six side and vertical plane D respectively.
Further, the first damping gasket 21 and the second damping gasket 22 are preferably made up of the material that surface friction coefficient is high, nonmetal such as rubber, nylon in addition, the mode such as the similar chain link fence of words, internal surface fluting of metal.
When locking device for pipe joint of the present invention is installed, bulb 6 is loaded cone mouth 7 and compresses with gland nut 5, semi-circular first damping gasket 21 and the second damping gasket 22 are bound round on the cylindrical section on gland nut 5, form damping gasket, again the first stop ring 11 and the second stop ring 12 are bound round respectively in damping gasket, and the horizontal plane C of the horizontal plane A on every block stop fin 10 and vertical plane B and cone mouth 7 six side and vertical plane D is fitted, finally by connecting bolt 3, attaching nut 4 is linked and packed relative with the second stop ring 12 for the first stop ring 11, the damping gasket on pipe joint gland nut 5 is wrapped in banding, and whole device is fixed on pipe joint, complete the locking of pipe joint.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of described claim.
Claims (6)
1., for a locking device for pipe joint, pipe joint comprises gland nut (5) and the cone mouth (7) being with six sides, and it is characterized in that, the described locking device for pipe joint comprises:
Symmetrical first stop ring (11) and the second stop ring (12), the opening end of described first stop ring (11) adopts detachable connection with the opening end of described second stop ring (12), to form the stop ring of a ring-type when connecting;
Symmetrical first damping gasket (21) and the second damping gasket (22), opening end and the second damping gasket (22) opening end of described first damping gasket (21) are oppositely arranged the damping gasket forming ring-type, described damping gasket is arranged in described stop ring endoporus, the external diameter of described damping gasket equals the internal diameter of described stop ring, described stop ring by described damping gasket by fastening for described gland nut (5);
Stop fin (10), be separately positioned on described first stop ring (11) and described second stop ring (12), described stop fin (10) matches with one of them side of six sides of described cone mouth (7), for described first stop ring (11) and described second stop ring (12) being fixed with described cone mouth (7) relative position.
2. pipe joint locking device according to claim 1, it is characterized in that, described first stop ring (11) and described second stop ring (12) are linked and packed by connecting bolt (3), attaching nut (4).
3. pipe joint locking device according to claim 1, it is characterized in that, described first stop ring (11) includes described stop fin (10) with described second stop ring (12), is connected fin (8) and semicircle clip (9);
Described semicircle clip (9) internal diameter is identical with the cylindrical section external diameter of described gland nut (5);
Described stop fin (10) bending, in L-type, be positioned at semicircle clip (9) middle part, and overbending direction is towards described cone mouth (7).
4. pipe joint locking device according to claim 3, is characterized in that, the horizontal plane of described stop fin (10) and vertical plane are fitted with the horizontal plane of described cone mouth (7) six side and vertical plane respectively.
5. pipe joint locking device according to claim 3, it is characterized in that, described connection fin (8) is positioned at the circumferential two ends of described semicircle clip (9), described connection fin (8) has the bolt hole for being connected with described connecting bolt (3).
6. pipe joint locking device according to claim 5, is characterized in that, the diameter of described connection fin (8) upper bolt hole is 0.6 times of described connection fin (8) width.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201510595153.XA CN105135101B (en) | 2015-09-17 | 2015-09-17 | A kind of locking device for pipe joint |
Applications Claiming Priority (1)
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CN201510595153.XA CN105135101B (en) | 2015-09-17 | 2015-09-17 | A kind of locking device for pipe joint |
Publications (2)
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CN105135101A true CN105135101A (en) | 2015-12-09 |
CN105135101B CN105135101B (en) | 2018-03-02 |
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CN201510595153.XA Active CN105135101B (en) | 2015-09-17 | 2015-09-17 | A kind of locking device for pipe joint |
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