CN203636691U - Sealing fixture for pump of gas collecting chamber of compressor casing - Google Patents

Sealing fixture for pump of gas collecting chamber of compressor casing Download PDF

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Publication number
CN203636691U
CN203636691U CN201320788431.XU CN201320788431U CN203636691U CN 203636691 U CN203636691 U CN 203636691U CN 201320788431 U CN201320788431 U CN 201320788431U CN 203636691 U CN203636691 U CN 203636691U
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CN
China
Prior art keywords
collection chamber
sealing
black box
connecting axle
compressor casing
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Expired - Fee Related
Application number
CN201320788431.XU
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Chinese (zh)
Inventor
谭冬桂
高翠平
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Zhuzhou Nanfang Gas Turbine Packaging and Installation Co Ltd
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Zhuzhou Nanfang Gas Turbine Packaging and Installation Co Ltd
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Priority to CN201320788431.XU priority Critical patent/CN203636691U/en
Application granted granted Critical
Publication of CN203636691U publication Critical patent/CN203636691U/en
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Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a sealing fixture for a pump of a gas collecting chamber of a compressor casing. The sealing fixture comprises a sealing subassembly (1) and a positioning subassembly (2), wherein the sealing subassembly (1) is arranged outside an air bleed valve hole of the gas collecting chamber and is used for sealing the air bleed valve hole of the gas collecting chamber; the positioning subassembly (2) corresponds to the sealing subassembly (1), is arranged in the air bleed valve hole of the gas collecting chamber, has a positioning function, and can enter or exit from the air bleed valve hole of the gas collecting chamber in an inclined state only; the sealing subassembly (1) is connected with the positioning subassembly (2) through a connecting shaft (3); and the connecting shaft (3) is also provided with a positioning adjusting device (4) which is used for adjusting and positioning the relative distance between the sealing subassembly (1) and the positioning subassembly (2). Clamping positioning is carried out by using the positioning subassembly; external sealing on a hole is carried out by using the sealing subassembly; the sealing subassembly and a wall surface of the air bleed valve hole of the gas collecting chamber are in compression surface sealing; a sealing effect is high; and gas leakage faults are analyzed simply. The sealing fixture can be widely used for sealing various holes.

Description

Compressor casing collection chamber is beaten pump sealing clamp
Technical field
The utility model relates to aero-engine checkout gear field, especially, relates to a kind of compressor casing collection chamber and beats pump sealing clamp
Background technology
The compressor casing collection chamber of gas-turbine unit is the parts that sealing requirements is higher, need to often do certain sealing propertytest, to guarantee allomeric function stability, be generally the air bleed valve hole by temporary stopping collection chamber, the mode of making pump by inflation in collection chamber detects sealing.The sealing frock fixture of the compressor casing collection chamber having existed at present; it is mainly to position near several screwed holes in air bleed valve hole by collection chamber on a block pressur plate and compressor; so because flow process complexity such as the accurate location of institute's multipoint positioning anchor point; due to frequent dismounting; yielding long afterwards; be difficult to guarantee air-tightness requirement, and usually there will be the serious phenomenon of gas leakage, inconvenient analysis of failure.
Utility model content
The utility model object is to provide a kind of compressor casing collection chamber to beat pump sealing clamp, to solve existing sealing frock fixture location and installation flow process complexity, often to dismantle technical problem yielding, that the phenomenon that leaks air is not easy to analysis of failure.
For achieving the above object, the technical solution adopted in the utility model is as follows:
A kind of compressor casing collection chamber is beaten pump sealing clamp, comprise for being arranged on outside collection chamber air bleed valve hole with the black box in sealing collection chamber air bleed valve hole and the arrange positioning component that for be arranged on collection chamber air bleed valve hole in play the role of positioning and be merely able to heeling condition pass in and out collection chamber air bleed valve hole corresponding to black box, between black box and positioning component, be connected by connecting axle, on connecting axle, be also provided with the location adjusting device in order to relative distance between adjusting location sealing assembly and positioning component.
Further, location adjusting device comprises and is fixed in the fastener of connecting axle first end and the location regulating part that is connected to connecting axle the second end that can regulate vertically and locate.
Further, positioning component center band is useful on the hole that is located by connecting being set on connecting axle, and positioning component is located on connecting axle by the borehole jack that is located by connecting and is close to fastener and arranges.
Further, positioning component is cross bar, three points of support plates or cross plate.
Further, three points of branch's blades that support plate comprises annular slab and radially extends along annular slab, three branch's blades are circumferentially equidistantly arranged along the outer peripheral ring of annular slab.
Further, black box center band is useful on the hole that is tightly connected being set on connecting axle, and black box is located on connecting axle by the borehole jack that is tightly connected, and regulates and the axial location of location sealing assembly on connecting axle by location regulating part.
Further, location regulating part is to be connected to nut on connecting axle thread surface, to be connected to buckle in connecting axle surface concave configuration or convex configuration, to be connected at least one in the hoodle on connecting axle surface groove.
Further, black box comprises at least one plastic plate and/or at least one block of rubber slab.
Further, between black box and location regulating part, be also provided with the pressing plate for eliminating black box upper stress concentration phenomenon.
Further, on black box and/or positioning component, be also provided with to improve the strengthening rib strip of assembly stress performance.
The utlity model has following beneficial effect:
This compressor casing collection chamber is beaten pump sealing clamp and is clamped in respectively by black box and positioning component on the hole outer wall and hole inwall in collection chamber air bleed valve hole, utilize positioning component to carry out clamping position, utilize black box to carry out hole external seal, thereby in the time making pump, play the object in sealing collection chamber air bleed valve hole; Positioning component can pass in and out collection chamber air bleed valve hole by the mode tilting, and effectively prevents in use slippage of positioning component and causes seal failure; Between black box and positioning component, be connected by connecting axle, regulate the spacing between black box and positioning component and the spacing between black box and positioning component is positioned by the location adjusting device being arranged on connecting axle, thereby realize clamping position and the sealing of sealing clamp for collection chamber air bleed valve hole, be convenient to dismounting, easy to use, solve the large problem of existing sealing frock fixture location component difficulty; Because this sealing clamp is to clamp for wall inside and outside collection chamber air bleed valve hole, even if repeated disassembled and assembled is also not easy distortion, for casing wall body, without any injury, repeat usage is high; By the face of wall surface of the hole and the repressive sealing of face in black box and collection chamber air bleed valve hole, sealing effectiveness is better, and the accident analysis of gas leakage is simple.The sealing that can be widely used in all kinds of holes is used.
Except object described above, feature and advantage, the utility model also has other object, feature and advantage.Below with reference to figure, the utility model is described in further detail.
Accompanying drawing explanation
The accompanying drawing that forms the application's a part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation that the compressor casing collection chamber of the utility model preferred embodiment is beaten pump sealing clamp;
Fig. 2 is the structural representation of the black box of the utility model preferred embodiment;
Fig. 3 is the structural representation of the positioning component of the utility model preferred embodiment;
Fig. 4 is the structural representation of the location adjusting device of the utility model preferred embodiment.
Marginal data:
1, black box; 2, positioning component; 201, annular slab; 202, branch's blade; 3, connecting axle; 4, location adjusting device; 401, fastener; 402, location regulating part; 5, pressing plate.
The specific embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
Fig. 1 is the structural representation that the compressor casing collection chamber of the utility model preferred embodiment is beaten pump sealing clamp; Fig. 2 is the structural representation of the black box of the utility model preferred embodiment; Fig. 3 is the structural representation of the positioning component of the utility model preferred embodiment; Fig. 4 is the structural representation of the location adjusting device of the utility model preferred embodiment.
As shown in Figure 1, the compressor casing collection chamber of the present embodiment is beaten pump sealing clamp, comprise for being arranged on outside collection chamber air bleed valve hole with the black box 1 in sealing collection chamber air bleed valve hole and the arrange positioning component 2 that for be arranged on collection chamber air bleed valve hole in play the role of positioning and be merely able to heeling condition pass in and out collection chamber air bleed valve hole corresponding to black box 1, between black box 1 and positioning component 2, be connected by connecting axle 3, on connecting axle 3, be also provided with the location adjusting device 4 in order to relative distance between adjusting location sealing assembly 1 and positioning component 2.This compressor casing collection chamber is beaten pump sealing clamp and is clamped in respectively by black box 1 and positioning component 2 on the hole outer wall and hole inwall in collection chamber air bleed valve hole, utilize positioning component 2 to carry out clamping position, utilize black box 1 to carry out hole external seal, thereby in the time making pump, play the object in sealing collection chamber air bleed valve hole; Positioning component 2 can pass in and out collection chamber air bleed valve hole by the mode tilting, and effectively prevents in use slippage of positioning component 2 and causes seal failure; Between black box 1 and positioning component 2, be connected by connecting axle 3, regulate the spacing between black box 1 and positioning component 2 and the spacing between black box 1 and positioning component 2 is positioned by the location adjusting device 4 being arranged on connecting axle 3, thereby realize clamping position and the sealing of sealing clamp for collection chamber air bleed valve hole, be convenient to dismounting, easy to use, solve the large problem of existing sealing frock fixture location component difficulty; Because this sealing clamp is to clamp for wall inside and outside collection chamber air bleed valve hole, even if repeated disassembled and assembled is also not easy distortion, for casing wall body, without any injury, repeat usage is high; The face of wall surface of the hole and the repressive sealing of face by black box 1 with collection chamber air bleed valve hole, sealing effectiveness is better, and the accident analysis of gas leakage is simple.The sealing that can be widely used in all kinds of holes is used.By smearing or spray oils or water in black box 1 and the contact site in collection chamber air bleed valve hole, can make black box 1 better with the adhesive effect in collection chamber air bleed valve hole, further improve the better tightness between black box 1 and collection chamber air bleed valve hole.Once in use there is the problem of seal failure, can safeguard sealing clamp by the mode of timely replacing black box 1 or positioning component 2, beat pump side leakage efficiency to improve.
As shown in Figure 1 and Figure 4, in the present embodiment, location adjusting device 4 comprises and is fixed in the fastener 401 of connecting axle 3 first ends and the location regulating part 402 that is connected to connecting axle 3 second ends that can regulate vertically and locate.One end by connecting axle 3 is set mode that fastener 401 other ends arrange the axial location regulating part 402 of adjustable and location and respectively black box 1 and positioning component 2 is limited on fastener 401 and the connecting axle 3 of locating between regulating part 402, sealing clamp is in use by the adjusting of location regulating part 402, the hole wall in collection chamber air bleed valve hole is clamped between black box 1 and positioning component 2, position by location regulating part 402 simultaneously, realize clamping position and the sealing of sealing clamp to collection chamber air bleed valve hole.
As shown in Figure 1, Figure 3 and Figure 4, in the present embodiment, positioning component 2 center bands are useful on the hole that is located by connecting being set on connecting axle 3, and positioning component 2 is located on connecting axle 3 by the borehole jack that is located by connecting and is close to fastener 401 and arranges.What positioning component 2 arranged by center be located by connecting, and borehole jack is located on connecting axle 3, be convenient to sealing clamp and in clamping process, be uniformly distributed and transmit the interaction force between positioning component 2 and the hole wall in collection chamber air bleed valve hole, reduce stress concentration phenomenon, thereby improve service life and the repeat usage of sealing clamp, the destruction of the hole wall surface by few sealing clamp to collection chamber air bleed valve hole.
As shown in Figure 1, Figure 3 and Figure 4, in the present embodiment, positioning component 2 is cross bar, three points of support plates or cross plate.According to the version in collection chamber air bleed valve hole and the structural configuration of periphery, the version of different positioning component 2 is set, to facilitate putting into of positioning component 2, expand the scope of application.
As shown in Figure 1, Figure 3 and Figure 4, in the present embodiment, three points of support plates comprise annular slab 201 and 202, three branch's blades 202 of branch's blade of radially extending along annular slab 201 are circumferentially equidistantly arranged along the outer peripheral ring of annular slab 201.In use, encircling by edge the branch's blade 202 circumferentially equidistantly distributing is evenly supported on the hole wall in collection chamber air bleed valve hole, interaction force is uniformly distributed, to reduce stress concentration phenomenon, thereby improve service life and the repeat usage of sealing clamp, the destruction of the hole wall surface by few sealing clamp to collection chamber air bleed valve hole; Make simply simultaneously, put into and take out from collection chamber air bleed valve hole with structural material still less, convenience easy to use, supported at three point location, locating effect is better.
As shown in Figure 1, Figure 2 and Figure 4, in the present embodiment, black box 1 center band is useful on the hole that is tightly connected being set on connecting axle 3, and black box 1 is located on connecting axle 3 by the borehole jack that is tightly connected, and regulates and the axial location of location sealing assembly 1 on connecting axle 3 by location regulating part 402.Black box 1 can be circular slab or rectangular slab.Black box 1 can be at least two laminates.Black box 1 can be the plate that radial section is identical with collection chamber air bleed valve hole.What black box 1 arranged by center be located by connecting, and borehole jack is located on connecting axle 3, be convenient to sealing clamp and in clamping process, be uniformly distributed and transmit the interaction force between black box 1 and the hole wall in collection chamber air bleed valve hole, the convenient contact-making surface of controlling between black box 1 and the hole wall in collection chamber air bleed valve hole, thus better realize the sealing of black box 1 to collection chamber air bleed valve hole.Simultaneously by smearing or spray oils or water in black box 1 and the contact site in collection chamber air bleed valve hole, can make black box 1 better with the adhesive effect in collection chamber air bleed valve hole, further improve the better tightness between black box 1 and collection chamber air bleed valve hole.
As shown in Figure 1 and Figure 4, in the present embodiment, location regulating part 402 for being connected to nut on connecting axle 3 thread surfaces, be connected to buckle in the surperficial concave configuration of connecting axle 3 or convex configuration, be connected at least one in the hoodle on connecting axle 3 surface grooves.Can be according to design feature and seal request, the location regulating part 402 that suitable use is different, better to realize sealing effectiveness.
As shown in Figure 2, in the present embodiment, black box 1 comprises at least one plastic plate and/or at least one block of rubber slab.According to the pressure of seal request and seal cavity, reasonably select different seals and the sealing number of plies, to realize the sealing under varying environment, sealing effectiveness is better.Adopt multiple-plate mode to seal, can make up between different layers because excesssive gap causes the bad problem of sealing effectiveness, by spraying between multi-layer sheet or smear oils or water, make cementability and better tightness between multi-layer sheet.
As shown in Figure 1, Figure 2 and Figure 4, in the present embodiment, between black box 1 and location regulating part 402, be also provided with the pressing plate 5 for eliminating black box 1 upper stress concentration phenomenon.By the setting of pressing plate 5, can eliminate the concentrated stress that location regulating part 402 forms black box 1 in fastening position fixing process, thus the service life of improving black box 1, the probability of minimizing black box 1 seal failure.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, in the present embodiment, on black box 1 and/or positioning component 2, be also provided with to improve the strengthening rib strip of assembly stress performance.By the setting of strengthening rib strip, improve the surface strength of black box 1 and/or positioning component 2, reduce the fatigue injury of Reusability, improve repeat usage.
When enforcement, as the compressor casing collection chamber in Fig. 1 is beaten pump sealing clamp.Sealing fixture is made up of three parts as shown in the figure, comprises pressing plate 5, one locking nuts (location regulating part 402), a Viton plate (black box 1), a welding location combiner (fastener 401).Welding location combiner as shown in Figure 4, is welded by connecting axle 3 and three points of support plates (positioning component 2).Connecting axle 3 front ends are M12 locking screw (location regulating part 402), locking nut respectively with Viton plate (black box 1), pressing plate 5, connect.
Sealing clamp method of operating: will leave enough distances between a Viton plate and a welding location combiner, then sealing clamp entirety is inserted sideling to position, collection chamber air bleed valve hole on compressor casing, be about to three points of support plates with collection chamber mutually by locating.Finally, by locking nut screwing, can realize compressor casing collection chamber and play the air-tightness requirement in pump process.When dismounting, only need become flexible locking nut, entirety shifts out collection chamber sideling.Therefore the present invention can realize this compressor casing collection chamber and beats air-tightness in pump process and require to provide a good solution, operates very simple and fast, not only can increase work efficiency and also sealing splendid.
Work piece is had to good sealing function, and sealing fixture makes to load and unload simple and efficient; Reduce operator's difficulty in process; Improve production efficiency and product quality.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.

Claims (10)

1. compressor casing collection chamber is beaten a pump sealing clamp, it is characterized in that,
Comprise for being arranged on outside collection chamber air bleed valve hole black box (1) to seal described collection chamber air bleed valve hole and the arrange positioning component (2) that for be arranged on described collection chamber air bleed valve hole in play the role of positioning and be merely able to heeling condition pass in and out described collection chamber air bleed valve hole corresponding to described black box (1)
Between described black box (1) and described positioning component (2), be connected by connecting axle (3),
On described connecting axle (3), be also provided with the location adjusting device (4) in order to regulate and to locate relative distance between described black box (1) and described positioning component (2).
2. compressor casing collection chamber according to claim 1 is beaten pump sealing clamp, it is characterized in that, described location adjusting device (4) comprises and is fixed in the fastener (401) of described connecting axle (3) first end and the location regulating part (402) that is connected to described connecting axle (3) second ends that can regulate vertically and locate.
3. compressor casing collection chamber according to claim 2 is beaten pump sealing clamp, it is characterized in that,
Described positioning component (2) center band is useful on the hole that is located by connecting being set on described connecting axle (3),
Described positioning component (2) is located at described connecting axle (3) by the described borehole jack that is located by connecting and goes up and be close to described fastener (401) and arrange.
4. compressor casing collection chamber according to claim 3 is beaten pump sealing clamp, it is characterized in that, described positioning component (2) is cross bar, three points of support plates or cross plate.
5. compressor casing collection chamber according to claim 4 is beaten pump sealing clamp, it is characterized in that,
Branch's blade (202) that described three points of support plates comprise annular slab (201) and radially extend along described annular slab (201),
Three described branch blades (202) are circumferentially equidistantly arranged along the outer peripheral ring of described annular slab (201).
6. compressor casing collection chamber according to claim 2 is beaten pump sealing clamp, it is characterized in that,
Described black box (1) center band is useful on the hole that is tightly connected being set on described connecting axle (3),
It is upper that described black box (1) is located at described connecting axle (3) by the described borehole jack that is tightly connected,
Regulate and locate the axial location of described black box (1) on described connecting axle (3) by described location regulating part (402).
7. compressor casing collection chamber according to claim 6 is beaten pump sealing clamp, it is characterized in that, described location regulating part (402) for being connected to nut on described connecting axle (3) thread surface, be connected to buckle in the surperficial concave configuration of described connecting axle (3) or convex configuration, be connected at least one in the hoodle on described connecting axle (3) surface groove.
8. compressor casing collection chamber according to claim 7 is beaten pump sealing clamp, it is characterized in that, described black box (1) comprises at least one plastic plate and/or at least one block of rubber slab.
9. compressor casing collection chamber according to claim 8 is beaten pump sealing clamp, it is characterized in that, between described black box (1) and described location regulating part (402), be also provided with the pressing plate (5) for eliminating described black box (1) upper stress concentration phenomenon.
10. beat pump sealing clamp according to the compressor casing collection chamber described in any one in claim 1 to 9, it is characterized in that, on described black box (1) and/or described positioning component (2), be also provided with to improve the strengthening rib strip of assembly stress performance.
CN201320788431.XU 2013-12-03 2013-12-03 Sealing fixture for pump of gas collecting chamber of compressor casing Expired - Fee Related CN203636691U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320788431.XU CN203636691U (en) 2013-12-03 2013-12-03 Sealing fixture for pump of gas collecting chamber of compressor casing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320788431.XU CN203636691U (en) 2013-12-03 2013-12-03 Sealing fixture for pump of gas collecting chamber of compressor casing

Publications (1)

Publication Number Publication Date
CN203636691U true CN203636691U (en) 2014-06-11

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110285927A (en) * 2019-07-12 2019-09-27 中国航发常州兰翔机械有限责任公司 A kind of axial flow compressor leading portion static state oil seal experimental rig and test method
CN110977170A (en) * 2019-11-25 2020-04-10 中国航发沈阳黎明航空发动机有限责任公司 Electron beam welding method for thin-wall casing gas-collecting hood structure

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110285927A (en) * 2019-07-12 2019-09-27 中国航发常州兰翔机械有限责任公司 A kind of axial flow compressor leading portion static state oil seal experimental rig and test method
CN110977170A (en) * 2019-11-25 2020-04-10 中国航发沈阳黎明航空发动机有限责任公司 Electron beam welding method for thin-wall casing gas-collecting hood structure
CN110977170B (en) * 2019-11-25 2021-05-18 中国航发沈阳黎明航空发动机有限责任公司 Electron beam welding method for thin-wall casing gas-collecting hood structure

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140611

Termination date: 20211203

CF01 Termination of patent right due to non-payment of annual fee