CN215903368U - Aeroengine crankshaft assembly press-fitting die - Google Patents
Aeroengine crankshaft assembly press-fitting die Download PDFInfo
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- CN215903368U CN215903368U CN202121802584.6U CN202121802584U CN215903368U CN 215903368 U CN215903368 U CN 215903368U CN 202121802584 U CN202121802584 U CN 202121802584U CN 215903368 U CN215903368 U CN 215903368U
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- sliding support
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- crankshaft
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- 230000006835 compression Effects 0.000 claims abstract description 11
- 238000007906 compression Methods 0.000 claims abstract description 11
- 238000009434 installation Methods 0.000 claims description 5
- 230000001788 irregular Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of engines, in particular to a press-fitting die for an aircraft engine crankshaft assembly, which comprises a bottom plate and a middle shaft rod fixedly arranged on the bottom plate, wherein a crankshaft sliding support piece is movably arranged at the center position of the middle shaft rod, a press-fitting head sliding support plate is arranged at the top end of the middle shaft rod vertically above the crankshaft sliding support piece, compression springs are sleeved on the outer ring surfaces of the middle shaft rod and the crankshaft sliding support piece as well as the middle shaft rod between the crankshaft sliding support piece and the press-fitting head sliding support plate, a through groove is formed in the center position of a radial symmetric shaft of the press-fitting head sliding support plate, a press-fitting component and a position control component fixedly arranged on the bottom plate and matched with the press-fitting component are arranged between the bottom plate and the press-fitting head sliding support plate through the through groove. The problem of rely on the manual work to carry out the equipment in proper order of many parts and then consume manpower resources and influence work efficiency is solved.
Description
Technical Field
The utility model relates to the technical field of engines, in particular to a press-fitting mold for an aircraft engine crankshaft assembly.
Background
The piston type aero-engine converts reciprocating motion into rotary motion and transmits torque through the crankshaft during working, the piston type aero-engine generally adopts a split type crankshaft structure in order to reduce weight and save space, the design structure greatly increases the crankshaft assembly difficulty, higher requirements are provided on the assembly technology, the accurate and reliable assembly of the split type crankshaft combination must be ensured through a correct and feasible process method, and further the performance and the service life of the engine are ensured.
However, in the prior art, the crankshaft assembly of the engine mostly depends on manual work to sequentially assemble multiple parts, so that human resources are consumed and the working efficiency is affected.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Aiming at the defects of the prior art, the utility model provides a press-fitting die for an aircraft engine crankshaft assembly, which solves the problems that the manual assembly of multiple parts is carried out in sequence, so that the human resources are consumed and the working efficiency is influenced.
(II) technical scheme
In order to achieve the purpose, the utility model provides the following technical scheme: a press-fitting die for an aircraft engine crankshaft assembly comprises a bottom plate and a middle shaft rod fixedly arranged on the bottom plate, wherein a crankshaft sliding support piece is movably arranged at the center position of the middle shaft rod, a press-fitting head sliding support plate is arranged at the top end of the middle shaft rod vertically above the crankshaft sliding support piece, compression springs are sleeved on the outer ring surfaces of the middle shaft rod, the crankshaft sliding support piece and the middle shaft rod between the crankshaft sliding support piece and the press-fitting head sliding support plate, a through groove is formed in the center position of a radial symmetric axis of the press-fitting head sliding support plate, and a press-fitting component and a position control component fixedly arranged on the bottom plate and matched with the press-fitting component are arranged between the bottom plate and the press-fitting head sliding support plate through the through groove;
the press-fitting assembly comprises a press-fitting head arranged on a press-fitting head sliding support plate and a first susceptor assembly arranged on a crankshaft sliding support piece, a second susceptor assembly is arranged on the crankshaft sliding support piece in the same plane as the first susceptor assembly, and a camshaft assembly positioning block surrounding the clamping piece and arranged in the same plane as the clamping piece is fixedly arranged on the crankshaft sliding support piece perpendicular to the mounting surface of the second susceptor assembly.
Preferably, first set off subassembly including fixed mounting at the crankshaft slide support piece on the timing gear location layer board and in the timing gear location layer board on the installation extend the post, but carry out swing joint between extension post and the crankshaft slide support piece, the cover is equipped with compression spring on the body of rod excircle face that extends the post and is located between crankshaft slide support piece and the timing gear location layer board.
Preferably, the encircling clamping piece comprises a clamping fixing plate and an I-shaped rotating head sleeved on the clamping fixing plate, the end, deviating from the clamping fixing plate, of the I-shaped rotating head is rotatably connected with a clamp head, and a traction handle is connected to the upper plate and the lower plate of the I-shaped rotating head in a penetrating mode.
Preferably, the second set off subassembly includes intermediate gear location layer board, carries out bilateral symmetry along intermediate gear location layer board central line and installs the same extension post of installing on the timing gear location layer board, and also carries out compression spring's cover and establish in the same position on extending the post.
Preferably, the timing gear positioning supporting plate and the intermediate gear positioning supporting plate are in the shape of a semi-ring, the width of the bottom ring surface of the timing gear positioning supporting plate is larger than that of the top ring surface of the timing gear positioning supporting plate so as to support the bearing object, and the left end surface and the right end surface of the top ring surface of the intermediate gear positioning supporting plate are fixedly provided with top protruding blocks so as to limit the bearing object arranged on the top ring surface.
Preferably, the position control assembly comprises a position control groove formed in a back plate of the crankshaft sliding support and a position control rod fixedly mounted on the bottom plate, the position control groove is a rectangular groove, and the bottom surface of the contact end part of the position control rod and the position control groove is provided with a straight section which is matched with the bottom wall of the position control groove.
Preferably, the camshaft assembly positioning block is rectangular, and a plurality of irregular annular grooves are formed in the camshaft assembly positioning block.
Preferably, the crankshaft sliding support is in the shape of an annular "male" wherein the first and second susceptor assemblies are mounted on the protruding block.
(III) advantageous effects
Compared with the prior art, the utility model provides a press-fitting die for an aircraft engine crankshaft assembly, which has the following beneficial effects:
1. install the pressure equipment head on pressure equipment head slip backup pad and arrange the first set of setback subassembly on bent axle slip support piece through setting up, and with bent axle slip support piece on with first set of setback subassembly with one side set up the second set of setback subassembly, and with the bent axle slip support piece of second set of setback subassembly installation face vertically on fixed mounting encircle the holder and with encircle the cam shaft subassembly locating piece that the holder installed with one side, through the structural layout to the pressure equipment mould, the required multiple part of bent axle pressure equipment has carried out multistage integration, can accomplish integrated pressure equipment to the camshaft through twice pressure equipment, the intervention of manpower has been reduced and then work efficiency is improved.
2. The middle gear is physically limited by the top convex blocks arranged on the left end surface and the right end surface of the top ring surface of the middle gear positioning supporting plate, so that the precision error of the press mounting of the camshaft caused by the error generated by mechanical adjustment is reduced in the press mounting work of the assembly.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a schematic view of an axial measurement overall structure of the present invention;
FIG. 2 is a schematic view of the axial measurement overall structure of the present invention;
FIG. 3 is a schematic front view of the present invention;
fig. 4 is a top view of a portion of the structure of the present invention.
In the figure: 1. a base plate; 2. a middle shaft lever; 3. a crankshaft slide support; 4. the press-fitting head slides the supporting plate; 5. pressing the assembly; 6. a position control assembly; 51. pressing the head; 52. a first susceptor assembly; 53. a second susceptor assembly; 54. a surrounding clamping member; 55. a camshaft assembly positioning block; 521. a timing gear positioning supporting plate; 522. extending the column; 531. a middle gear positioning supporting plate; 532. a top bump; 541. clamping the fixing plate; 542. an I-shaped rotary head; 543. a tong head; 544. a traction handle; 61. a position control groove; 62. a position control rod.
Detailed Description
Embodiments of the present application will be described in detail with reference to the drawings and examples, so that how to implement technical means to solve technical problems and achieve technical effects of the present application can be fully understood and implemented.
Fig. 1-4 show an embodiment of the utility model, and an aeroengine crankshaft assembly press-fitting mold comprises a bottom plate 1 and a middle shaft rod 2 fixedly installed on the bottom plate 1, wherein a crankshaft sliding support member 3 is movably installed at the center position of the middle shaft rod 2, a press-fitting head sliding support plate 4 is installed at the top end of the middle shaft rod 2 vertically above the crankshaft sliding support member 3, compression springs are respectively sleeved on the outer ring surfaces of the middle shaft rod 2 between the middle shaft rod 2 and the crankshaft sliding support member 3, and between the crankshaft sliding support member 3 and the press-fitting head sliding support plate 4, a through groove is formed in the center position of a radial symmetric axis of the press-fitting head sliding support plate 4, a press-fitting component 5 is installed between the bottom plate 1 and the press-fitting head sliding support plate 4 through the through groove, and a position control component 6 matched with the press-fitting component 5 is also fixedly installed on the bottom plate 1.
In this embodiment, the press-fitting assembly 5 includes a press-fitting head 51 mounted on the press-fitting head sliding support plate 4 and a first susceptor assembly 52 disposed on the crankshaft sliding support member 3, and a second susceptor assembly 53 is disposed on the crankshaft sliding support member 3 on the same plane as the first susceptor assembly 52, and a surrounding clamping member 54 and a camshaft assembly positioning block 55 mounted on the same plane as the surrounding clamping member 54 are fixedly mounted on the crankshaft sliding support member 3 perpendicular to the mounting surface of the second susceptor assembly 53, the camshaft assembly positioning block 55 is rectangular, and has a plurality of irregular annular grooves formed therein, wherein the crankshaft sliding support member 3 is annular and shaped like a Chinese character 'tu', and both the first susceptor assembly 52 and the second susceptor assembly 53 are mounted on the protruding block.
Specifically, a signal wheel cam is coaxially matched with the through groove on the bottom plate 1 to position an object to be assembled.
Specifically, the first mounting component 52 includes a timing gear positioning support plate 521 fixedly mounted on the crankshaft sliding support 3 and an extending column 522 mounted on the timing gear positioning support plate 521, the crankshaft sliding support 3 is provided with a through hole on the protruding block, wherein the diameter of the through hole is larger than the diameter of the rod body of the extending column 522, so that the extending column 522 can move up and down on the crankshaft sliding support 3 through the through hole, the extending column 522 is sleeved with a compression spring on the outer circular surface of the rod body between the crankshaft sliding support 3 and the timing gear positioning support plate 521, wherein the radius of the bottom surface of the compression spring is larger than the radius of the through hole, similarly, the second mounting component 53 includes a middle gear positioning support plate 531, the same extending columns 522 as those mounted on the timing gear positioning support plate 521 are symmetrically mounted left and right along the center line of the middle gear positioning support plate 531, and the same position on the extension column 522 is also sleeved with a compression spring, the timing gear positioning support plate 521 and the intermediate gear positioning support plate 531 are in a semi-ring shape with the same shape, the width of the bottom ring surface of the timing gear positioning support plate 521 is larger than the width of the top ring surface to support the bearing object, the left end surface and the right end surface of the top ring surface of the intermediate gear positioning support plate 531 are both fixedly provided with a top lug 532 to limit the bearing object arranged thereon, wherein the length and the installation height of the timing gear positioning support plate 521 are both larger than the length and the installation height of the intermediate gear positioning support plate 531, during the specific work, a signal wheel is firstly placed at a signal wheel contour part, a crankshaft is further placed above the signal wheel and in a state of being attached to the camshaft assembly positioning block 55, then an intermediate gear is placed at the intermediate gear positioning support plate 531, and the top lug 532 on the intermediate gear positioning support plate 531 jacks up the intermediate gear, the self height of the top bump 532 is used for position limiting, a timing gear is placed on the timing gear positioning supporting plate 521, and the self structure of the timing gear positioning supporting plate 521 can support the timing gear.
Specifically, the surrounding clamping member 54 includes a clamping fixing plate 541 and an i-shaped rotating head 542 sleeved on the clamping fixing plate 541, the end of the i-shaped rotating head 542 departing from the clamping fixing plate 541 is rotatably connected with a clamping head 543, and a traction handle 544 is connected to the upper and lower plates of the i-shaped rotating head 542 in a penetrating manner, and in a specific application, the clamping head 543 is drawn by the traction handle 544 to form a surrounding shape.
Specifically, accuse position subassembly 6 is including the accuse position groove 61 and the accuse position pole 62 of fixed mounting on bottom plate 1 that offer on the backplate of bent axle slip support piece 3 promptly, wherein accuse position groove 61 is the rectangular channel, the bottom surface of the contact tip of accuse position pole 62 and accuse position groove 61 sets up to straight cross-section and carries out the adaptation with accuse position groove 61 diapire, accuse position pole 62 comprises auto-lock needle and fixing base, wherein the fixing base is fixed in on bottom plate 1, and the auto-lock needle is then rotatable to be installed on the fixing base.
When the crankshaft pressing device is used specifically, after the signal wheel and the crankshaft are placed firstly, the clamping head 543 is pulled to the right side of the crankshaft sliding support piece 3 through the pulling handle 544 to clamp the crankshaft, then the middle gear is placed, the pressing machine is started to press and mount the signal wheel, the crankshaft and the middle gear in place, the pressing machine returns to the pressing head 51 to be lifted, finally the timing gear is placed, the pressing machine is started to press and mount the timing gear in place, the pressing machine returns to the pressing head 51 to be lifted, the clamp is opened, the camshaft assembly is taken out, the pressing and mounting work of the crankshaft assembly is completed, and the next work is repeated.
The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides an aeroengine crankshaft assembly pressure equipment mould, includes well axostylus axostyle (2) of bottom plate (1) and fixed mounting on bottom plate (1), its characterized in that: a crankshaft sliding support piece (3) is movably mounted at the center of the middle shaft lever (2), a press-fitting head sliding support plate (4) is mounted at the top end of the middle shaft lever (2) vertically above the crankshaft sliding support piece (3), compression springs are sleeved on the outer ring surfaces of the middle shaft lever (2) between the middle shaft lever (2) and the crankshaft sliding support piece (3) and between the crankshaft sliding support piece (3) and the press-fitting head sliding support plate (4), a through groove is formed in the center of a radial symmetry axis of the press-fitting head sliding support plate (4), a press-fitting assembly (5) and a position control assembly (6) fixedly mounted on the bottom plate (1) and matched with the press-fitting assembly (5) are mounted between the bottom plate (1) and the press-fitting head sliding support plate (4) through the through groove;
the press-fitting assembly (5) comprises a press-fitting head (51) arranged on a press-fitting head sliding support plate (4) and a first support component (52) arranged on a crankshaft sliding support piece (3), a second support component (53) is arranged on the crankshaft sliding support piece (3) on the same plane as the first support component (52), and a cam shaft assembly positioning block (55) surrounding a clamping piece (54) and a cam shaft assembly positioning block (55) mounted on the same plane as the surrounding clamping piece (54) are fixedly mounted on the crankshaft sliding support piece (3) perpendicular to a mounting surface of the second support component (53).
2. The aircraft engine crankshaft assembly press-fitting mold according to claim 1, wherein: first set off subassembly (52) including fixed mounting in the timing gear location layer board (521) on bent axle slip support piece (3) and in the extending post (522) of timing gear location layer board (521) installation, but extend and carry out swing joint between post (522) and bent axle slip support piece (3), be located bent axle slip support piece (3) and the cover on the body of rod excircle disc between timing gear location layer board (521) and be equipped with compression spring at extending post (522).
3. The aircraft engine crankshaft assembly press-fitting mold according to claim 1, wherein: the surrounding clamping piece (54) comprises a clamping fixing plate (541) and an I-shaped rotating head (542) sleeved on the clamping fixing plate (541), the end, deviating from the clamping fixing plate (541), of the I-shaped rotating head (542) is rotatably connected with a clamp head (543), and a traction handle (544) is connected to the upper plate and the lower plate of the I-shaped rotating head (542) in a penetrating mode.
4. An aircraft engine crankshaft assembly press-fitting die according to claim 2, characterized in that: the second mounting component (53) comprises a middle gear positioning supporting plate (531), extending columns 522 which are the same as those arranged on the timing gear positioning supporting plate (521) are symmetrically arranged on the left and right of the center line of the middle gear positioning supporting plate (531), and compression springs are sleeved at the same positions on the extending columns 522.
5. An aircraft engine crankshaft assembly press-fitting die according to claim 4, characterized in that: the timing gear positioning supporting plate (521) and the intermediate gear positioning supporting plate (531) are in the shape of a semi-ring, the width of the bottom ring surface of the timing gear positioning supporting plate (521) is larger than that of the top ring surface so as to support a bearing object, and the left end surface and the right end surface of the top ring surface of the intermediate gear positioning supporting plate (531) are fixedly provided with top convex blocks (532) so as to limit the bearing object arranged on the top ring surface.
6. The aircraft engine crankshaft assembly press-fitting mold according to claim 1, wherein: the position control assembly (6) comprises a position control groove (61) formed in a back plate of the crankshaft sliding support (3) and a position control rod (62) fixedly installed on the bottom plate (1), wherein the position control groove (61) is a rectangular groove, and the bottom surface of the contact end part of the position control rod (62) and the position control groove (61) is provided with a straight section to be matched with the bottom wall of the position control groove (61).
7. The aircraft engine crankshaft assembly press-fitting mold according to claim 1, wherein: the camshaft assembly positioning block (55) is rectangular, and a plurality of irregular annular grooves are formed in the camshaft assembly positioning block.
8. An aircraft engine crankshaft assembly press-fitting die according to claim 2, characterized in that: the crankshaft sliding support piece (3) is in an annular convex shape, wherein the first susceptor component (52) and the second susceptor component (53) are both arranged on the convex block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121802584.6U CN215903368U (en) | 2021-08-03 | 2021-08-03 | Aeroengine crankshaft assembly press-fitting die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121802584.6U CN215903368U (en) | 2021-08-03 | 2021-08-03 | Aeroengine crankshaft assembly press-fitting die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215903368U true CN215903368U (en) | 2022-02-25 |
Family
ID=80290590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121802584.6U Expired - Fee Related CN215903368U (en) | 2021-08-03 | 2021-08-03 | Aeroengine crankshaft assembly press-fitting die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215903368U (en) |
-
2021
- 2021-08-03 CN CN202121802584.6U patent/CN215903368U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220225 |