CN211422714U - Turbine disk installation device - Google Patents
Turbine disk installation device Download PDFInfo
- Publication number
- CN211422714U CN211422714U CN201922483580.5U CN201922483580U CN211422714U CN 211422714 U CN211422714 U CN 211422714U CN 201922483580 U CN201922483580 U CN 201922483580U CN 211422714 U CN211422714 U CN 211422714U
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- Prior art keywords
- mandrel
- turbine
- disc
- chassis
- pulling
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- 238000009434 installation Methods 0.000 title abstract description 13
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 239000004677 Nylon Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000001174 ascending effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical group C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The utility model discloses a turbine disc mounting device, which comprises a mounting rack, wherein the mounting rack comprises a chassis, connecting columns and a top disc, the chassis is arranged at the bottom of the top disc, the chassis is connected with the top disc through a plurality of connecting columns 3 which are circumferentially arranged, and a mandrel is arranged between the chassis and the top disc in a penetrating and sliding manner; the top of the top disc is provided with a traction device, the traction end of the traction device is connected with the top end of the mandrel, and the bottom end of the mandrel is provided with a connecting part; the utility model discloses have installation turbine dish convenient and fast, labour saving and time saving, turbine dish atress evenly be difficult for the dead beneficial effect of card.
Description
Technical Field
The utility model belongs to the technical field of mechanical assembly auxiliary device, concretely relates to turbine dish installation device.
Background
The turbine disk is one of important transmission parts in the aviation device, and the turbine disk is generally sleeved on a corresponding part shaft and realizes transmission along with synchronous rotation of the part shaft. Because the assembly relation between turbine dish and the part axle is comparatively inseparable, consequently make turbine dish install very difficult, consuming time and wasting force in place on the part axle through artifical with turbine dish suit on the part axle and through the mode of beating turbine dish. Simultaneously because cause the turbine dish atress inhomogeneous easily when artifical strike the turbine dish, this just causes the card between the shaft hole of turbine dish and the part axle to die for the turbine dish installation is not in place, and then influences the transmission effect of turbine dish. Consequently, to the turbine dish at the epaxial power consumption consuming time of installation of part, and the inhomogeneous problem of turbine dish atress, the utility model discloses a turbine dish installation device.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a turbine dish installation device realizes the convenient installation of turbine dish in the part is epaxial, and makes the turbine dish atress even.
The utility model discloses a following technical scheme realizes:
a turbine disc mounting device comprises a mounting frame, wherein the mounting frame comprises a base plate, connecting columns and a top disc, the base plate is arranged at the bottom of the top disc, the base plate and the top disc are connected through the connecting columns which are circumferentially arranged, and a mandrel is arranged between the base plate and the top disc in a penetrating and sliding mode; the top of the top plate is provided with a traction device, the traction end of the traction device is connected with the top end of the mandrel, and the bottom end of the mandrel is provided with a connecting part.
The working principle is as follows:
the base plate and the top plate are connected through a connecting column, a mandrel is arranged between the base plate and the top plate and coaxially slides with a part shaft of the turbine plate to be installed, the top end of the mandrel upwards penetrates through the top plate and is connected with a traction end of a traction device arranged at the top of the top plate, and the bottom end of the mandrel downwards penetrates through the base plate and is provided with a connecting portion connected with one end of the part shaft. When the turbine disk needs to be installed on the part shaft, the turbine disk is firstly pre-sleeved on the part shaft, and the turbine disk is not installed on a corresponding shaft section on the part shaft at the moment. Then the shaft end of the part shaft close to the turbine disc is connected with the bottom end of the mandrel through a connecting part, and meanwhile, the bottom end face of the base plate is guaranteed to be pressed on the top end face of the turbine disc. Then through draw gear upwards pulling dabber, and then through the part axle of dabber upwards pulling, because the part axle is the state with external equipment fixed connection, namely part axle self is the stationary state. When draw gear applyed ascending pulling force to the part axle through the dabber, because part axle self is fixed, the top dish drives the chassis through the spliced pole and slides downwards along the dabber under the effect of reaction force this moment, and the bottom terminal surface on chassis and then oppress the top terminal surface of turbine dish downwards, promotes the turbine dish and targets in place at the epaxial installation of part. The core shaft is directly drawn by the drawing device, upward force is applied to the part shaft, the top disc and the base disc are driven to move downwards through reaction force to push the turbine disc, and time and labor are saved compared with the traditional method of knocking the turbine disc. Meanwhile, the traditional knocking point-to-surface contact is replaced by surface-to-surface contact between the bottom end face of the base plate and the top end face of the turbine disc, so that the turbine disc is stressed more uniformly, and the turbine disc is prevented from being locked on a part shaft.
In order to better realize the utility model discloses, furtherly, the top of dabber upwards runs through and extends to the top of top dish, the top spiral shell of dabber is equipped with traction nut, traction nut is connected with traction device's traction end.
For better realization the utility model discloses, furtherly, draw gear is the hydro-cylinder, the push rod of hydro-cylinder upwards extends, and the terminal surface of push rod and the bottom terminal surface butt of drawing the nut.
In order to better realize the utility model discloses, further, the bottom on chassis is provided with the nylon pad.
In order to better realize the utility model discloses, further, the spliced pole is the hexagonal stand.
For better realization the utility model discloses, further, the connecting portion of dabber bottom are threaded connection portion.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
(1) the utility model discloses a draw gear upwards pulls the dabber, and then exerts ascending pulling force to the part axle through the dabber, and then drives the top dish and the chassis downwards through reaction force and takes place relative slip with the dabber to the bottom terminal surface through the chassis pushes away the turbine dish towards the direction that is close to the part axle, installs the turbine dish on the part axle convenient and fast, effectively practices thrift the manpower, has improved the installation effectiveness of turbine dish;
(2) the utility model replaces the traditional point-to-surface contact of knocking the turbine disc by the surface-to-surface contact of the bottom end surface of the chassis and the top end surface of the turbine disc, so that the stress of the turbine disc is more uniform, and the turbine disc is prevented from being stuck before being installed in place;
(3) the utility model discloses set up draw gear into manual or automatic cylinder, exert ascending pulling force to the dabber through the hydro-cylinder, effectively use manpower sparingly.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic structural view of the mandrel.
Wherein: 1-a mounting frame; 2-a chassis; 3-connecting a column; 4-mandrel; 5-top plate; 6-a traction device; 7-pulling the nut.
Detailed Description
Example 1:
the turbine disk mounting device of the embodiment is shown in fig. 1 and fig. 2, and comprises a mounting rack 1, wherein the mounting rack 1 comprises a base plate 2, connecting columns 3 and a top plate 5, the base plate 2 is arranged at the bottom of the top plate 5, the base plate 2 and the top plate 5 are connected through a plurality of connecting columns 3 which are circumferentially arranged, and a mandrel 4 is arranged between the base plate 2 and the top plate 5 in a penetrating and sliding manner; the top of the top disc 5 is provided with a traction device 6, the traction end of the traction device 6 is connected with the top end of the mandrel 4, and the bottom end of the mandrel 4 is provided with a connecting part.
The top end of the spindle 4 passes upwardly through the slide mounting hole in the top plate 5 and continues to extend upwardly, and the bottom end of the spindle 4 passes downwardly through the slide mounting hole in the bottom plate 2 and continues to extend downwardly. A limiting sleeve is sleeved on the outer side of the shaft section of the mandrel 4, which is located between the base plate 2 and the top plate 5, the diameter of the limiting sleeve is larger than that of the sliding mounting hole, when the mandrel 4 slides upwards along the sliding mounting hole, the limiting sleeve slides until the top end face of the limiting sleeve is contacted with the bottom end face of the top plate 5, at the moment, the limiting sleeve limits the mandrel 4, and the mandrel 4 cannot continuously slide upwards; similarly, when the mandrel 4 slides downwards along the sliding installation hole, the mandrel 4 slides to the bottom end face of the limiting sleeve to be in contact with the top end face of the chassis 2, the limiting sleeve limits the mandrel 4 at the moment, and the mandrel 4 cannot continue to slide downwards. The mandrel 4 is limited through the limiting sleeve, and the mandrel 4 is prevented from being completely separated from the sliding mounting hole.
The top of the top plate 5 is fixedly provided with a traction device 6 through a bolt, and the traction end of the traction device 6 is connected with the shaft end of the mandrel 4 which extends upwards to the upper part of the top plate 5. The bottom end face of the chassis 2 is in contact with the top end face of the turbine disc, and the bottom end of the mandrel 4 is connected with the shaft end of the part shaft. When the turbine disc is installed, the turbine disc is firstly sleeved on the part shaft in advance, wherein the pre-sleeving means that only part of the inner hole wall of the central through hole of the turbine disc close to the hole is sleeved with the part shaft in a matching mode, and the turbine disc is not completely sleeved on the part shaft in place. Then the bottom end of the mandrel 4 is connected with the shaft end of the part shaft close to the turbine disc, and the bottom end face of the chassis 2 is pressed on the top end face of the turbine disc. The mandrel 4 is then pulled upwards by means of the pulling device 6, and the part shaft is pulled upwards by means of the mandrel 4. Because the part shaft is fixed, when the part shaft is pulled upwards by the mandrel 4, the top disk 5 slides downwards relative to the mandrel 4 under the action of reaction force, the base disk 2 is driven to slide downwards relative to the mandrel 4 through the connecting column 3, the bottom end surface of the base disk 2 extrudes the top end surface of the turbine disk downwards, and the turbine disk is pushed to slide close to the part shaft and is completely sleeved on the part shaft in place.
Furthermore, the number of the connecting columns 3 is six, and the connecting columns are hexagonal columns at 3 positions.
Further, in order to avoid the bottom terminal surface on chassis 2 to cause the damage to the turbine dish when the top terminal surface of turbine dish is extruded to the bottom terminal surface, consequently be provided with flexible nylon layer on the bottom terminal surface on chassis 2, effective buffer pressure avoids rigid contact between the bottom terminal surface on chassis 2 and the top terminal surface of turbine dish.
Example 2:
the present embodiment is further optimized based on the above embodiment 1, as shown in fig. 1, the top end of the mandrel 4 penetrates upward and extends to the upper side of the top plate 5, the top end of the mandrel 4 is screwed with a pulling nut 7, and the pulling nut 7 is connected with the pulling end of the pulling device 6.
The traction device 6 is arranged between the top of the top disc 5 and the traction nut 7, and the traction end of the traction device 6 is upwards abutted against the bottom end face of the traction nut 7. The pulling end of the pulling device 7 projects upwards and exerts an upward force on the pulling nut 7. At this moment, the traction device 6 receives the reaction force and transmits the reaction force to the top disc 5 through the connecting structure, the top disc 5 slides downwards relative to the mandrel 4 under the pushing of the reaction force, the connecting rod 3 drives the base disc 2 to slide downwards relative to the mandrel 4, and the base disc 2 extrudes the turbine disc downwards, so that the turbine disc is sleeved on the part shaft in place.
The rest of this embodiment is the same as embodiment 1 or 2, and therefore, the description thereof is omitted.
Example 3:
the present embodiment is further optimized based on the above embodiment 1 or 2, as shown in fig. 1, the traction device 6 is an oil cylinder, a push rod of the oil cylinder extends upward, and an end surface of the push rod abuts against a bottom end surface of the traction nut 7.
The traction device 6 is an automatic oil cylinder or a manual oil cylinder, the fixed end of the automatic oil cylinder or the manual oil cylinder is fixedly connected with the top of the top disc 5, and the push rod of the automatic oil cylinder or the manual oil cylinder extends upwards and is abutted against the bottom end face of the traction nut 7.
Further, the traction device 6 may also be provided with an electric push rod or an electric cylinder.
The rest of this embodiment is the same as embodiment 1 or 2, and therefore, the description thereof is omitted.
Example 4:
this embodiment is further optimized on the basis of any one of the above embodiments 1 to 3, and as shown in fig. 2, the connection part at the bottom end of the mandrel 4 is a threaded connection part.
The connecting portion of 4 bottoms of dabber are the external screw thread of setting on 4 bottom lateral surfaces of dabber, and the external screw thread that corresponds 4 bottoms of dabber on the end of part axle is provided with the threaded connection that the screw hole realized with 4 bottoms of dabber.
Furthermore, the bottom thread cover of dabber 4 is equipped with the thread connection cover, and the axle head outside of part axle is provided with the external screw thread corresponding the screw thread hole of thread connection cover and is realized the threaded connection between with dabber 4.
Other parts of this embodiment are the same as any of embodiments 1 to 3, and thus are not described again.
The above is only the preferred embodiment of the present invention, not to the limitation of the present invention in any form, all the technical matters of the present invention all fall into the protection scope of the present invention to any simple modification and equivalent change of the above embodiments.
Claims (6)
1. A turbine disc mounting device comprises a mounting frame (1) and is characterized in that the mounting frame (1) comprises a base plate (2), connecting columns (3) and a top plate (5), the base plate (2) is arranged at the bottom of the top plate (5), the base plate (2) and the top plate (5) are connected through a plurality of connecting columns (3) which are circumferentially arranged, and a mandrel (4) is arranged between the base plate (2) and the top plate (5) in a penetrating and sliding mode; the top of the top disc (5) is provided with a traction device (6), the traction end of the traction device (6) is connected with the top end of the mandrel (4), and the bottom end of the mandrel (4) is provided with a connecting part.
2. A turbine disc mounting apparatus according to claim 1, wherein the top end of the spindle (4) extends upward and above the top disc (5), the top end of the spindle (4) is screwed with a pulling nut (7), and the pulling nut (7) is connected with the pulling end of the pulling apparatus (6).
3. A turbine disc mounting device according to claim 2, characterized in that the pulling device (6) is a hand cylinder, the push rod of which extends upwards and the end surface of the push rod abuts against the bottom end surface of the pulling nut (7).
4. A turbine disc mounting arrangement according to any one of claims 1-3, wherein the bottom of the base disc (2) is provided with a nylon mat.
5. A turbine disc mounting arrangement according to any one of claims 1-3, characterized in that the connecting column (3) is a hexagonal column.
6. A turbine disc mounting apparatus according to any one of claims 1-3, wherein the connection at the bottom end of the spindle (4) is a threaded connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922483580.5U CN211422714U (en) | 2019-12-31 | 2019-12-31 | Turbine disk installation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922483580.5U CN211422714U (en) | 2019-12-31 | 2019-12-31 | Turbine disk installation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211422714U true CN211422714U (en) | 2020-09-04 |
Family
ID=72274972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922483580.5U Active CN211422714U (en) | 2019-12-31 | 2019-12-31 | Turbine disk installation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211422714U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113878328A (en) * | 2021-11-10 | 2022-01-04 | 中国航发南方工业有限公司 | Flow guide disc assembling device and method |
-
2019
- 2019-12-31 CN CN201922483580.5U patent/CN211422714U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113878328A (en) * | 2021-11-10 | 2022-01-04 | 中国航发南方工业有限公司 | Flow guide disc assembling device and method |
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