CN217992227U - Casing butt joint guiding device - Google Patents

Casing butt joint guiding device Download PDF

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Publication number
CN217992227U
CN217992227U CN202221720171.8U CN202221720171U CN217992227U CN 217992227 U CN217992227 U CN 217992227U CN 202221720171 U CN202221720171 U CN 202221720171U CN 217992227 U CN217992227 U CN 217992227U
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China
Prior art keywords
limiting edge
casing
limiting
guide
edge
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CN202221720171.8U
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Chinese (zh)
Inventor
王海晨
吉仕强
李旭
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AECC Commercial Aircraft Engine Co Ltd
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AECC Commercial Aircraft Engine Co Ltd
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Priority to CN202221720171.8U priority Critical patent/CN217992227U/en
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Abstract

The utility model provides a machine casket butt joint guiding device, it is used for butt joint two adjacent machine casket, every machine casket includes at least two flanges, the flange is equipped with the mounting hole, machine casket butt joint guiding device includes guiding shaft and mounting structure, the guiding shaft passes adjacent the mounting hole on the adjacent flange of machine casket to with adjacent the machine casket guide alignment; mounting structure fixed connection in the machine casket is used for fixing the guide shaft, mounting structure has the spacing limit of first spacing limit and the spacing limit of second that upper and lower interval set up, first spacing limit with the spacing limit of second is laminated in arbitrary one respectively the upper and lower two surfaces of flange. The installation and the disassembly processes of the casing butt joint guiding device are simplified, and the casing butt joint guiding efficiency is improved. In addition, when the casing lacks other auxiliary characteristics, the fixing of the casing butt joint guide device cannot be influenced, the application range is wide, and the universality is better.

Description

Casing butt joint guiding device
Technical Field
The utility model relates to an aeroengine technical field, in particular to casket butt joint guiding device.
Background
The aircraft engine comprises four parts, namely a fan unit body, a core machine unit body, a low-pressure turbine unit body, external accessories and a pipeline unit body, wherein the core machine unit body is divided into a gas compressor unit body, a combustion chamber unit body, a high-pressure turbine unit body and other sub-units. And more receiver butt joint requirements exist among the unit bodies and during the assembly of the high-pressure compressor.
The fit clearance of parts between the casings is extremely small, and a guide tool is required to be used for improving the butt joint efficiency and avoiding scraping in the butt joint process. Two casings to be assembled are generally connected and fastened by bolts and nuts, and mounting holes of the casings on two sides are unthreaded holes with the same diameter, so that the guide shaft is difficult to mount and fix.
In the prior art, a plurality of other auxiliary features of the casing are generally utilized to fix the mounting structure, and then the guide shaft is fixedly mounted through the mounting structure, however, the structure of the mounting structure is complex, the size of the mounting structure is large, and the efficiency of butt joint is not improved. And the fixation of the guide shaft cannot be achieved when the casing lacks other auxiliary features.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is that a plurality of assistant feature fixed mounting structure for overcoming prior art and utilizing a plurality of casings are unfavorable for improving the defect of butt joint efficiency, provide a casing butt joint guiding device.
The utility model discloses a solve above-mentioned technical problem through following technical scheme:
a casing docking guide for docking two adjacent casings, each of the casings including at least two flanges provided with mounting holes, the casing docking guide comprising:
a guide shaft passing through mounting holes on adjacent flanges of adjacent casings to guide the adjacent casings into alignment;
the mounting structure is fixedly connected to the casing and used for fixing the guide shaft, the mounting structure is provided with a first limiting edge and a second limiting edge which are arranged at an upper interval and a lower interval, and the first limiting edge and the second limiting edge are respectively attached to any one of the upper surface and the lower surface of the flange.
In the scheme, the fixing of the casing butt joint guide device is realized by using one flange of one casing, the fixing can be realized without using other auxiliary characteristics (such as a plurality of flanges) of the casing, the installation and disassembly processes of the casing butt joint guide device are simplified, and the improvement of the casing butt joint guide efficiency is facilitated. In addition, when the casing lacks other auxiliary characteristics, the fixing of the casing butt joint guide device cannot be influenced, the application range is wide, and the universality is better.
Preferably, the guiding shaft is provided with a limiting groove, the guiding shaft penetrates through the first limiting edge and/or the second limiting edge, and the first limiting edge and/or the second limiting edge are clamped in the limiting groove.
In this scheme, adopt above-mentioned structural style, realized being connected of mounting structure and leading-in axle, first spacing limit and/or the spacing limit card of second is established at the spacing inslot as the holding surface, is convenient for follow-up fix the leading-in axle.
Preferably, the guide shaft has a threaded section, the threaded section extends from the flange in a direction away from the adjacent casing, and the mounting structure further includes a pressing member, the pressing member is configured to be engaged with the threaded section and apply an acting force to one side of the limiting groove where the first limiting edge and/or the second limiting edge are/is clamped.
In this scheme, will compress tightly the piece and screw up in the screw thread section after, compress tightly the piece and press the flange with first spacing limit in the middle of, realize that the quick-witted casket docks fixed on the quick-witted casket of guiding device. In the subsequent guide process of the casing, the casing butt joint guide device can still be fixed in the original position after bearing axial and radial deflection forces, so that the casing is ensured not to deflect in the guide process.
Preferably, the mounting structure further comprises a third limiting edge and a fastener, two ends of the third limiting edge are respectively connected to the first limiting edge and the second limiting edge, the third limiting edge is provided with a threaded hole, and the fastener is matched with the threaded hole and abuts against the side wall of the flange to drive the first limiting edge and/or the second limiting edge to move into the limiting groove.
In this scheme, utilize the fastener top to lean on in the lateral wall of flange, drive mounting structure to lean on to the outside top, with first spacing limit and/or the spacing limit card of second goes into the spacing inslot, and the back is locked to the fastener simultaneously, has also avoided mounting structure to move to the inboard and lead to the roll-off spacing groove, has guaranteed the smooth completion of machine casket butt joint process.
Preferably, the stopper groove is provided on an outer peripheral surface of the guide shaft, and the stopper groove extends in a ring shape along a circumferential direction of the guide shaft.
In this scheme, adopt above-mentioned structural style, after the guiding axis inserted mounting structure, need not rotatory guiding axis and make the spacing groove towards first spacing limit and/or the spacing limit of second is used for card income one side of spacing inslot, is favorable to promoting the installation effectiveness of machine casket butt joint guiding device, and then promotes the efficiency of machine casket butt joint.
Preferably, the shape of the surface of the first limiting edge and/or the second limiting edge matched with the limiting groove is matched with the shape of the limiting groove.
In this scheme, adopt above-mentioned structural style, first spacing limit and/or after spacing limit card income spacing inslot of second, rethread fastener locking, first spacing limit and/or spacing limit of second can laminate completely with the spacing groove, is favorable to improving the fixed stability of leading axle, and then has guaranteed the smooth completion of cartridge receiver butt joint.
Preferably, the first limiting edge has a side wall extending vertically, the first limiting edge is provided with a first opening extending inward from the side wall, the first opening penetrates through upper and lower surfaces of the first limiting edge, and the guide shaft enters the first limiting edge from the first opening; and/or
The spacing limit of second has along the lateral wall of vertical extension, the spacing limit of second be equipped with certainly the inside second opening that extends of lateral wall, the second opening runs through the upper and lower two surfaces on the spacing limit of second, the guiding axle certainly the second opening gets into the spacing limit of second.
In this scheme, when dismantling, loosen the fastener and compress tightly after the piece, mounting structure can directly take out along the radial of leading axle, does not influence other structures on the machine casket, does not influence the butt joint process of machine casket yet.
Preferably, the first limiting edge is provided with a first through hole, and the length of the second limiting edge is smaller than that of the first limiting edge so as to avoid the guide shaft.
In this scheme, if set up the second through-hole on the spacing edge of second, then need guarantee that the second through-hole can align with the position of seting up of first through-hole, just also improved the processing accuracy nature requirement on the spacing limit of second, improved the processing cost, and above-mentioned scheme had both realized that the spacing limit of second can not interfere the guiding axle, also reduced during the installation and aimed at, the perforation step, was favorable to improving the installation effectiveness.
Preferably, the first limit edge is provided with a first through hole, the second limit edge is provided with a second through hole, and the first through hole and the second through hole allow the guide shaft to pass through.
Preferably, the first through hole has a size larger than a diameter of the guide shaft; and/or
The second through hole has a size larger than a diameter of the guide shaft.
In this case, with the above-described configuration, the mounting structure can be moved outward relative to the guide shaft, so that the first limit edge and/or the second limit edge can be engaged with the limit groove of the guide shaft.
The utility model discloses an actively advance the effect and lie in:
the utility model discloses a flange that utilizes a cartridge receiver has realized cartridge receiver butt joint guiding device's fixed, need not to utilize other assist feature (for example a plurality of flanges) of cartridge receiver can realize fixing, has simplified cartridge receiver butt joint guiding device's installation and dismantlement process, is favorable to improving cartridge receiver guide butt joint efficiency. In addition, when the casing lacks other auxiliary characteristics, the fixing of the casing butt joint guide device cannot be influenced, the application range is wide, and the universality is better.
Drawings
Fig. 1 is a schematic view of the initial butt joint of the casing according to the preferred embodiment of the present invention.
Fig. 2 is a schematic diagram of the middle-stage docking of the receiver according to the preferred embodiment of the present invention.
Fig. 3 is an exploded view of the casing docking guiding device according to the preferred embodiment of the present invention.
Fig. 4 is an enlarged schematic view of a portion of the mounting structure of fig. 3.
Description of the reference numerals
Casing butt joint guide device 100
Case 1
Flange 2
Mounting hole 21
Guide shaft 3
Limiting groove 31
Threaded segment 32
Mounting structure 4
First limit edge 41
First via 411
Stopper 412
Supporting portion 413
Second limit edge 42
Pressing piece 43
Third limit edge 44
Screw hole 441
Fastener 45
First opening 46
Bolt 5
Nut 6
Detailed Description
The present invention will be more clearly and completely described in the following detailed description of the preferred embodiments in conjunction with the accompanying drawings.
As shown in fig. 1 to 4, the present embodiment discloses a casing docking guide device 100 for docking two adjacent casings 1, each casing 1 includes at least two flanges 2, the flanges 2 are provided with mounting holes 21, the casing docking guide device 100 includes a guide shaft 3 and a mounting structure 4, the guide shaft 3 passes through the mounting holes 21 of the adjacent flanges 2 of the adjacent casings 1 to guide the adjacent casings 1 into alignment; the mounting structure 4 is fixedly connected to the casing 1 and used for fixing the guide shaft 3, the mounting structure 4 has a first limiting edge 41 and a second limiting edge 42 which are arranged at intervals up and down, and the first limiting edge 41 and the second limiting edge 42 are respectively attached to the upper surface and the lower surface of any one of the flanges 2.
The fixation of the casing docking guide device 100 is realized by using one flange 2 of one casing 1, and the fixation can be realized without using other auxiliary features (such as a plurality of flanges) of the casing 1, so that the installation and disassembly processes of the casing docking guide device 100 are simplified, and the improvement of the guiding and docking efficiency of the casing 1 is facilitated. In addition, when the casing 1 lacks other auxiliary features, the fixation of the casing butt joint guide device 100 is not affected, the application range is wide, and the universality is better.
In this embodiment, the first limiting edge 41 is provided with the first through hole 411, the length of the second limiting edge 42 is smaller than that of the first limiting edge 41 to avoid the guide shaft 3, if the second through hole is formed in the second limiting edge 42, it is required to ensure that the set position of the second through hole and the set position of the first through hole 411 can be aligned, the requirement on the processing accuracy of the second limiting edge 42 is also improved, the processing cost is improved, and the scheme in this embodiment not only realizes that the second limiting edge 42 does not interfere with the guide shaft 3, but also reduces the alignment and perforation steps during installation, and is beneficial to improving the installation efficiency.
In other embodiments, a first through-hole 411 may be provided at the first limit edge 41, and a second through-hole may be provided at the second limit edge 42, the first through-hole 411 and the second through-hole being penetrated by the guide shaft 3.
Specifically, leading axle 3 is equipped with spacing groove 31, and leading axle 3 passes first spacing limit 41, and first spacing limit 41 card is located in spacing groove 31, has realized mounting structure 4 and leading axle 3's being connected, and first spacing limit 41 card is established as the holding surface in spacing groove 31, is convenient for follow-up leading axle 3 to be fixed.
In the embodiment where the second limiting edge 42 is provided with the second through hole, the first limiting edge 41 and the second limiting edge 42 may be both engaged in the limiting groove 31, specifically, two limiting grooves 31 may be provided at intervals up and down along the axial direction of the guide shaft 3, and the first limiting edge 41 and the second limiting edge 42 are respectively engaged in the two limiting grooves 31. Of course, in other embodiments, only the second limiting edge 42 may be engaged with the limiting groove 31.
The guide shaft 3 has a threaded section 32, the threaded section 32 extends from the flange 2 in a direction away from the adjacent casing 1, the mounting structure 4 further comprises a pressing piece 43, the pressing piece 43 is configured to be matched with the threaded section 32 and apply an acting force to one side of the first limiting edge 41 clamped in the limiting groove 31, one side of the first limiting edge 41 clamped in the limiting groove 31 serves as a reaction edge when the pressing piece 43 presses, after the pressing piece 43 is screwed on the threaded section 32, the pressing piece 43 and the first limiting edge 41 press the flange 2 in the middle, and fixation of the casing butt joint guide device 100 on the casing 1 is achieved. In the subsequent guiding process of the casing, after the casing butt joint guiding device 100 bears the axial and radial deflection forces, the casing butt joint guiding device can still be fixed in place, and the casing 1 is ensured not to deflect in the guiding process. Specifically, the pressing member 43 may be a bolt, a stud, a screw, or the like.
Mounting structure 4 still includes third spacing limit 44 and fastener 45, the both ends of third spacing limit 44 are connected respectively in first spacing limit 41 and the spacing limit 42 of second, third spacing limit 44 is equipped with screw hole 441, fastener 45 cooperates and butt in the lateral wall of flange 2 with screw hole 441, in order to drive first spacing limit 41 and remove and get into spacing groove 31, utilize fastener 45 to push up and lean on in the lateral wall of flange 2, it leans on to drive mounting structure 4 to push up to the outside, go into spacing inslot 31 with first spacing limit 41 card, fastener 45 locks the back simultaneously, also avoided mounting structure 4 to move to the inside and lead to first spacing limit 41 roll-off spacing groove 31, the smooth completion of machine casket butt joint process has been guaranteed. Specifically, the fastener 45 may be a bolt, a stud, a screw, or the like.
In the present embodiment, the limiting groove 31 is disposed on the outer peripheral surface of the guide shaft 3, and the limiting groove 31 extends along the circumferential direction of the guide shaft 3 to form a ring shape, so that after the guide shaft 3 is inserted into the mounting structure 4, the guide shaft 3 does not need to be rotated to enable the limiting groove 31 to face the first limiting edge 41 for being clamped into one side of the limiting groove 31, which is beneficial to improving the mounting efficiency of the casing butt joint guiding device 100, and further improving the efficiency of casing butt joint. In other embodiments, the limiting groove 31 may have other shapes, and the first limiting edge 41 may be provided with a protruding edge to be clamped into the limiting groove 31.
Specifically, the shape of the first limiting edge 41 and the shape of the one surface matched with the limiting groove 31 are matched with the shape of the limiting groove 31, so that after the first limiting edge 41 is clamped into the limiting groove 31 and locked by the fastener 45, the first limiting edge 41 and the limiting groove 31 can be completely attached to each other, the stability of fixing the guide shaft 3 is improved, and the smooth completion of the butt joint of the receiver is ensured.
First spacing limit 41 has the lateral wall along vertical extension, first spacing limit 41 is equipped with the first opening 46 from the lateral wall inward extension, first opening 46 runs through the upper and lower two surfaces of first spacing limit 41, first opening 46 and first through-hole 411 intercommunication, leading-in axle 3 gets into the first through-hole 411 of first spacing limit 41 from first opening 46, during the installation, mounting structure 4 can make leading-in axle 3 get into first spacing limit 41 from leading-in axle 3's radial, during the dismantlement, after loosening fastener 45 and compressing tightly piece 43, mounting structure 4 can directly be taken out along leading-in axle 3's radial, do not influence other structures on the machine casket 1, do not influence the butt joint process of machine casket yet.
In the embodiment where the second restriction edge 42 is provided with the second through hole, the second restriction edge 42 has a side wall extending in the vertical direction, the second restriction edge 42 is provided with a second opening extending inward from the side wall, the second opening penetrates both upper and lower surfaces of the second restriction edge 42, the second opening communicates with the second through hole, and the guide shaft 3 enters the second restriction edge 42 from the second opening.
Specifically, the first through hole 411 has a size larger than the diameter of the guide shaft 3 at the stopper groove 31, so that the first stopper edge 41 can move outward relative to the guide shaft 3 so that the first stopper edge 41 can be caught in the stopper groove 31. In the embodiment in which the second limit edge 42 is provided with the second through-hole, the size of the second through-hole is larger than the diameter at the limit groove 31 of the guide shaft 3.
In the present embodiment, the first limiting edge 41 includes a limiting portion 412 and a supporting portion 413, the length of the limiting portion 412 is the same as that of the second limiting edge 42, one end of the limiting portion 412 abuts against the edge portion of the upper surface of the flange 2, the other end of the limiting portion 412 extends in the direction away from the flange 2, the supporting portion 413 extends from the limiting portion 412 towards the inner side of the flange 2 and crosses the mounting hole 21, and the supporting portion 413 is in a hook shape to be connected with the limiting portion 412 to form the first through hole 411 and the first opening 46.
The usage steps of the casing docking guiding device 100 in this embodiment are specifically (two adjacent casings 1 are named as a first casing and a second casing, respectively here): inserting the guide shaft 3 into the mounting hole 21 of the first casing, mounting the mounting structure 4 from the side, so that the supporting portion 413 of the first limiting edge 41 is clamped into the limiting groove 31 of the guide shaft 3, tightening the fastener 45, fixing the mounting structure 4, and tightening the pressing piece 43, thereby realizing the reliable fixation of the casing butt joint guide device 100 on the first casing, and a plurality of casing butt joint guide devices 100 can be mounted; assembling the second casing so that the guide shaft 3 is inserted into the mounting hole 21 of the second casing, moving the second casing to be gradually attached to the first casing, and after the second casing contacts the mounting structure 4, assembling the bolt 5 and the nut 6 in the other mounting holes 21 where the guide shaft 3 is not mounted, but not screwing, wherein the bolt 5 can realize limiting, and a stud or the like can be used; the fastening element 45 and the pressure element 43 are loosened and the mounting structure 4 and the guide shaft 3 are removed, wherein either the mounting structure 4 can be removed from the side edge through the first opening 46 before the guide shaft 3 is removed, or the first limiting edge 41 can be removed from the limiting groove 31 before the guide shaft 3 is removed before the mounting structure 4 is removed. After the casing butt guide 100 is removed, the bolts 5 and nuts 6 that have not been tightened are tightened, and the bolts 5 and nuts 6 are installed and tightened in all the installation holes 21. Of course, the casing docking guide 100 may be installed on the second casing, and the docking guide process is the same.
Although specific embodiments of the present invention have been described above, it will be understood by those skilled in the art that this is by way of example only and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments can be made by those skilled in the art without departing from the spirit and the principles of the present invention, and these changes and modifications are all within the scope of the present invention.

Claims (10)

1. A casing docking guide for docking two adjacent casings, each casing including at least two flanges, the flanges having mounting holes, the casing docking guide comprising:
a guide shaft passing through a mounting hole on an adjacent flange of an adjacent casing to guide the adjacent casing into alignment;
the mounting structure is fixedly connected to the casing and used for fixing the guide shaft, the mounting structure is provided with a first limiting edge and a second limiting edge which are arranged at an upper interval and a lower interval, and the first limiting edge and the second limiting edge are respectively attached to any one of the upper surface and the lower surface of the flange.
2. A casing butt joint guide device according to claim 1, wherein the guide shaft is provided with a limiting groove, the guide shaft passes through the first limiting edge and/or the second limiting edge, and the first limiting edge and/or the second limiting edge is/are caught in the limiting groove.
3. A casing butt joint guide as claimed in claim 2, wherein said guide shaft has a threaded section extending from said flange in a direction away from an adjacent said casing, and said mounting structure further comprises a pressing member configured to engage with said threaded section and apply a force to a side of said first limit edge and/or said second limit edge caught in said limit groove.
4. The receiver docking guide of claim 2, wherein the mounting structure further comprises a third limiting edge and a fastening member, two ends of the third limiting edge are respectively connected to the first limiting edge and the second limiting edge, the third limiting edge is provided with a threaded hole, and the fastening member is engaged with the threaded hole and abuts against the sidewall of the flange to drive the first limiting edge and/or the second limiting edge to move into the limiting groove.
5. A casing butt joint guide device according to claim 2, wherein the stopper groove is provided on an outer peripheral surface of the guide shaft, and the stopper groove extends in a ring shape along a circumferential direction of the guide shaft.
6. The receiver docking guide of claim 2, wherein a surface of the first and/or second limiting edge that engages with the limiting groove has a shape that matches a shape of the limiting groove.
7. The receiver docking guide as claimed in claim 1, wherein the first limiting edge has a sidewall extending in a vertical direction, the first limiting edge has a first opening extending inward from the sidewall, the first opening extends through upper and lower surfaces of the first limiting edge, and the guide shaft enters the first limiting edge from the first opening; and/or
The spacing limit of second has along the lateral wall of vertical extension, the spacing limit of second be equipped with certainly the inside second opening that extends of lateral wall, the second opening runs through the upper and lower two surfaces on the spacing limit of second, the guiding axle certainly the second opening gets into the spacing limit of second.
8. The receiver docking guide as claimed in claim 1, wherein the first limiting edge is provided with a first through hole, and the second limiting edge has a length smaller than that of the first limiting edge to avoid the guide shaft.
9. The cartridge receiver docking guide as claimed in claim 1, wherein the first limiting edge is provided with a first through hole, the second limiting edge is provided with a second through hole, and the first through hole and the second through hole are penetrated by the guide shaft.
10. The receiver docking guide as claimed in claim 8 or 9, wherein a size of the first through hole is larger than a diameter of the guide shaft; and/or
The second through hole has a size larger than a diameter of the guide shaft.
CN202221720171.8U 2022-07-04 2022-07-04 Casing butt joint guiding device Active CN217992227U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221720171.8U CN217992227U (en) 2022-07-04 2022-07-04 Casing butt joint guiding device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221720171.8U CN217992227U (en) 2022-07-04 2022-07-04 Casing butt joint guiding device

Publications (1)

Publication Number Publication Date
CN217992227U true CN217992227U (en) 2022-12-09

Family

ID=84313239

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221720171.8U Active CN217992227U (en) 2022-07-04 2022-07-04 Casing butt joint guiding device

Country Status (1)

Country Link
CN (1) CN217992227U (en)

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