CN220128643U - Air turbine starter planetary gear set assembly fixture - Google Patents
Air turbine starter planetary gear set assembly fixture Download PDFInfo
- Publication number
- CN220128643U CN220128643U CN202321499148.5U CN202321499148U CN220128643U CN 220128643 U CN220128643 U CN 220128643U CN 202321499148 U CN202321499148 U CN 202321499148U CN 220128643 U CN220128643 U CN 220128643U
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- pressing plate
- planetary gear
- gear set
- air turbine
- hole
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- 239000007858 starting material Substances 0.000 title claims abstract description 28
- 238000003825 pressing Methods 0.000 claims abstract description 55
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000012797 qualification Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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- General Details Of Gearings (AREA)
Abstract
The utility model discloses an air turbine starter planetary gear set assembly fixture, which comprises a fixed base, a connecting base, a bearing base and a pressing plate component, wherein the fixed base is fixedly connected with the connecting base; the fixing base is internally provided with an assembly hole, the bearing seat is arranged in the assembly hole, the pressing plate assembly is arranged on the connecting seat to form pressing plate units, and the pressing plate units are uniformly arranged around the bearing seat; the fixture not only effectively reduces the working time for assembling and measuring the air turbine starter, greatly improves the qualification rate of products, but also reduces the damage of human factors to the surfaces and internal parts of the products. And this frock simple manufacture, easy and simple to handle, maintenance efficiency promotes, can also promote maintenance personal's work quality to a great extent.
Description
Technical Field
The utility model relates to the field of assembly, in particular to an assembly fixture for an air turbine starter planetary gear set.
Background
The air turbine starter is generally provided with a speed reducer, and the speed reducer mainly has the function of reducing the inertia of a load by reducing the rotating speed and increasing the output torque. The working principle is that when the output rotation speed of the turbine is input from the turbine shaft, the planetary gear is driven to rotate, the planetary gear drives the large gear to move, the rotation speed of the large gear is slower than that of the small gear, and the large gear is output by the shaft (output shaft) of the large gear, so that the effect of output speed reduction is achieved.
The working characteristics of the planetary gear train are mainly characterized in that a fixed shaft gear train with a fixed gear axis is changed into a gear train with a movable axis; the power split type planetary gear is utilized to share load, and the internal gear auxiliary mechanism is reasonably utilized, so that the planetary gear auxiliary mechanism has the advantages of small volume, light weight, large bearing capacity, long service life, high transmission efficiency, stable work, small noise, large transmission ratio and the like.
In the prior art, no special tool is used for maintaining the planetary gear system, and the planetary gear system is usually replaced directly or returned to a factory for maintenance, so that the later maintenance of the user side is difficult.
Disclosure of Invention
The utility model aims to provide an air turbine starter planetary gear set assembly fixture aiming at the defects, and solves the problem that the prior art has difficulty in maintaining a planetary gear system.
The utility model is realized by the following scheme:
an air turbine starter planetary gear set assembly fixture comprises a fixed base, a connecting base, a bearing base and a pressing plate component; the fixing base is provided with an assembly hole, the bearing seat is arranged in the assembly hole, the pressing plate assembly is arranged on the connecting seat to form a pressing plate unit, and the pressing plate unit is uniformly arranged around the bearing seat.
Based on the structure of the air turbine starter planetary gear set assembly fixture, the pressing plate assembly comprises a pressing part, a supporting part, a pressing plate and a contact head; the pressing plate is provided with a first oblong hole used for being matched and connected with the pressing part and a second oblong hole connected with the supporting part, the first oblong hole penetrates through the pressing plate, the second oblong hole is arranged on the pressing plate and close to the end face of the connecting seat, the second oblong hole is embedded in one end of the pressing plate, and the contact head is arranged on the pressing plate and far away from the end face of the second oblong hole.
Based on the structure of the air turbine starter planetary gear set assembly fixture, the connecting seat is provided with a first fixing hole which is matched with the first oblong hole and a second fixing hole which is matched with the second oblong hole; and internal threads are arranged in the first fixing hole and the second fixing hole.
Based on the structure of the air turbine starter planetary gear set assembly fixture, the pressing part comprises a first adjusting nut and a first screw rod, and the first screw rod penetrates through the first oblong hole and then is screwed into the first fixing hole.
Based on the structure of the air turbine starter planetary gear set assembly fixture, the supporting part is a supporting rod, one end of the supporting rod is provided with a threaded head connected with the second fixing hole, an arc-shaped head is arranged on the end part, far away from the threaded head, of the supporting rod, a fixing sleeve is arranged on the supporting rod, and the fixing sleeve is arranged at a position close to the threaded head.
Based on the structure of the air turbine starter planetary gear set assembly fixture, the contact head is a copper plate.
Based on the structure of the air turbine starter planetary gear set assembly fixture, the bearing seat comprises a first bearing ring and a second bearing ring, the first bearing ring and the second bearing ring are coaxially arranged, the diameter of the first bearing ring is smaller than that of the second bearing ring, and the first bearing ring and the second bearing ring form a stepped bearing structure at the joint; the diameter of the first receiving ring is matched with the aperture of the assembly hole.
Based on the structure of the air turbine starter planetary gear set assembly fixture, the first bearing ring is provided with a threaded hole connected with the fixed base; the connecting seat is provided with a threaded hole connected with the fixed base.
Based on the structure of the air turbine starter planetary gear set assembly fixture, the number of the pressing plate units is at least 4 along the circumferential position of the bearing seat.
In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:
1. the fixture not only effectively reduces the working time for assembling and measuring the air turbine starter, greatly improves the qualification rate of products, but also reduces the damage of human factors to the surfaces and internal parts of the products. And this frock simple manufacture, easy and simple to handle, maintenance efficiency promotes, can also promote maintenance personal's work quality to a great extent.
2. In this scheme, through placing the planetary gear set that waits to assemble on the socket preliminary fixed, overlap joint is carried out planetary gear set's bottom, then the engaging lug of rethread clamp plate unit to planetary gear set is fixed, in cooperation outside other pressing structure, dismantles the maintenance to planetary gear set.
Drawings
FIG. 1 is a schematic cross-sectional view of the whole structure of the present utility model;
FIG. 2 is a schematic side view of the overall structure of the present utility model;
FIG. 3 is a schematic top view of the entire structure of the present utility model;
FIG. 4 is a schematic perspective view of the whole structure of the present utility model;
FIG. 5 is a schematic bottom view of the socket of the present utility model;
FIG. 6 is a schematic cross-sectional view of a socket according to the present utility model;
FIG. 7 is a schematic perspective view of a connecting seat according to the present utility model;
description of the drawings: 1. a fixed base; 2. a connecting seat; 3. a socket; 4. a platen assembly; 5. a fitting hole; 21. a first fixing hole; 22. a second fixing hole; 31. a first receiving ring; 32. a second receiving ring; 41. a pressing part; 42. a support part; 43. pressing the plate; 44. a contact; 45. a first oblong hole; 46. a second oblong hole; 411. a first adjustment nut; 412. a first screw; 421. a thread head; 422. an arc-shaped head; 423. and (5) fixing the sleeve.
Detailed Description
All of the features disclosed in this specification, or all of the steps in a method or process disclosed, may be combined in any combination, except for mutually exclusive features and/or steps.
Any feature disclosed in this specification (including any accompanying claims, abstract) may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise. That is, each feature is one example only of a generic series of equivalent or similar features, unless expressly stated otherwise.
In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may include one or more of the feature, either explicitly or implicitly.
Example 1
As shown in fig. 1 to 7, the present utility model provides a technical solution:
an air turbine starter planetary gear set assembly fixture at least comprises, but is not limited to, a fixed base 1, a connecting base 2, a bearing base 3 and a pressing plate assembly 4; the fixed base 1 is provided with an assembly hole 5, the bearing seat 3 is arranged in the assembly hole 5, the pressing plate component 4 is arranged on the connecting seat 2 to form a pressing plate unit, and the pressing plate unit is uniformly arranged around the bearing seat 3.
Based on the above structure, through placing the planetary gear set that waits to assemble on the carrier 3 and preliminarily fixing, overlap joint is carried out the bottom of planetary gear set, then the rethread clamp plate unit is fixed planetary gear set's engaging lug, in cooperation with outside other pressing structure, dismantles the maintenance to planetary gear set.
As an example, the platen assembly 4 may include a pressing portion 41, a supporting portion 42, a pressing plate 43, and a contact 44; the pressing plate 43 is provided with a first oblong hole 45 for being connected with the pressing part 41 in a matching manner and a second oblong hole 46 connected with the supporting part 42, the first oblong hole 45 penetrates through the pressing plate 43, the second oblong hole 46 is arranged on the end face, close to the connecting seat 2, of the pressing plate 43, the second oblong hole 46 is arranged on one end of the pressing plate 43 in an embedded manner, and the contact head 44 is arranged on the end face, far away from the second oblong hole 46, of the pressing plate 43.
The connecting seat 2 is provided with a first fixing hole 21 which is matched with the first oblong hole 45 and a second fixing hole 22 which is matched with the second oblong hole 46; internal threads are provided in both the first fixing hole 21 and the second fixing hole 22.
The pressing part 41 may include a first adjusting nut 411 and a first screw 412, and the first screw 412 is screwed into the first fixing hole 21 after penetrating the first oblong hole 45.
The supporting part 42 may be a supporting rod, one end of the supporting rod is provided with a threaded head 421 connected with the second fixing hole 22, an arc-shaped head 422 is arranged on the end part of the supporting rod far away from the threaded head 421, a fixing sleeve 423 is arranged on the supporting rod, and the fixing sleeve 423 is arranged at a position close to the threaded head 421.
Based on the above structure, when the planetary gear set is required to be fixed, the planetary gear set is placed in the bearing seat 3, then the connecting lug of the planetary gear set is placed at the position of the contact head 44, the first adjusting nut 411 is rotated to be in contact with the pressing part 41 through the piece, then the first screw 412 is rotated, the whole height is adjusted to reach the preset position, then the arc-shaped head 422 is propped into the second oblong hole 46 through the fixing sleeve 423 on the rotating supporting rod to support the end part of the pressing part 41, the first screw 412 and the supporting rod form a lever structure to jointly fix the pressing part 41, and the connecting lug of the planetary gear set is conveniently fixed through the two points to be kept at the preset position.
Through setting up first slotted hole 45 and second slotted hole 46, can make the push plate 43 can prolong the length direction of slotted hole and remove, make it can adapt planetary gear set's engaging lug, simultaneously through precession to screw head 421 with unscrew, realize the regulation to the pitch degree of push plate 43, finally realize compressing tightly to the engaging lug. The assembly work of the planetary gear combination and the flatness in the assembly process and the mobilization measurement work are completed.
By way of example, the contact 44 may be a copper plate that, due to its softer texture, may cushion the contact when it is in contact with the tab, preventing crush damage to the tooth structure on the tab.
As an example, the bearing seat 3 may include a first bearing ring 31 and a second bearing ring 32, where the first bearing ring 31 and the second bearing ring 32 are coaxially disposed, and the diameter of the first bearing ring 31 is smaller than that of the second bearing ring 32, so that the first bearing ring 31 and the second bearing ring 32 form a stepped bearing structure at the connection position; the diameter of the first receiving ring 31 is matched with the aperture of the fitting hole 5.
The first receiving ring 31 is provided with a screw hole connected to the fixing base 1. The first receiving ring 31 is integrally connected with the fixing base 1 by bolts. The whole structure is more stable.
As an example, the connecting base 2 is provided with a screw hole connected with the fixing base 1, and the connecting base 2 is connected with the fixing base 1 as a whole by bolts.
As an example, the platen units are provided at least 4 in circumferential positions along the receptacle 3. The setting is 6 pressing units in this implementation, because the engaging lug on the planetary gear set is usually set to 6, fix through the engaging lug to 4 orientation at least, stability when can guaranteeing the centre gripping, the convenience is to planetary gear set's centre gripping operation, and then carries out the maintenance to planetary gear set, flatness in the adjustment assembly process that simultaneously can be accurate and mobilize measurement work.
The fixture not only effectively reduces the working time for assembling and measuring the air turbine starter, greatly improves the qualification rate of products, but also reduces the damage of human factors to the surfaces and internal parts of the products. And this frock simple manufacture, easy and simple to handle, maintenance efficiency promotes, can also promote maintenance personal's work quality to a great extent.
The present utility model is not limited to the preferred embodiments, but is intended to cover modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (9)
1. An air turbine starter planetary gear set assembly jig which characterized in that: comprises a fixed base, a connecting base, a bearing base and a pressing plate component; the fixing base is provided with an assembly hole, the bearing seat is arranged in the assembly hole, the pressing plate assembly is arranged on the connecting seat to form a pressing plate unit, and the pressing plate unit is uniformly arranged around the bearing seat.
2. An air turbine starter planetary gear set assembly fixture as defined in claim 1, wherein: the pressing plate assembly comprises a pressing part, a supporting part, a pressing plate and a contact head; the pressing plate is provided with a first oblong hole used for being matched and connected with the pressing part and a second oblong hole connected with the supporting part, the first oblong hole penetrates through the pressing plate, the second oblong hole is arranged on the pressing plate and close to the end face of the connecting seat, the second oblong hole is embedded in one end of the pressing plate, and the contact head is arranged on the pressing plate and far away from the end face of the second oblong hole.
3. An air turbine starter planetary gear set assembly fixture as claimed in claim 2, wherein: the connecting seat is provided with a first fixing hole which is matched with the first oblong hole and a second fixing hole which is matched with the second oblong hole; and internal threads are arranged in the first fixing hole and the second fixing hole.
4. An air turbine starter planetary gear set assembly fixture as claimed in claim 3, wherein: the pressing part comprises a first adjusting nut and a first screw rod, and the first screw rod penetrates through the first oblong hole and then is screwed into the first fixing hole.
5. An air turbine starter planetary gear set assembly fixture as defined in claim 4, wherein: the supporting part is the bracing piece, the one end of bracing piece is provided with the screw thread head of being connected with the second fixed orifices, be provided with the arc head on the tip that keeps away from the screw thread head on the bracing piece, be provided with fixed cover on the bracing piece, fixed cover sets up the position department that is close to the screw thread head.
6. An air turbine starter planetary gear set assembly fixture as defined in claim 5, wherein: the contact head is a copper plate.
7. An air turbine starter planetary gear set assembly fixture as claimed in any one of claims 2 to 6, wherein: the bearing seat comprises a first bearing ring and a second bearing ring, the first bearing ring and the second bearing ring are coaxially arranged, the diameter of the first bearing ring is smaller than that of the second bearing ring, and the first bearing ring and the second bearing ring form a stepped bearing structure at the joint; the diameter of the first receiving ring is matched with the aperture of the assembly hole.
8. An air turbine starter planetary gear set assembly fixture as defined in claim 7, wherein: the first bearing ring is provided with a threaded hole connected with the fixed base; the connecting seat is provided with a threaded hole connected with the fixed base.
9. The air turbine starter planetary gear set assembly fixture of claim 8, wherein: the number of the pressing plate units is at least 4 along the circumferential position of the bearing seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321499148.5U CN220128643U (en) | 2023-06-13 | 2023-06-13 | Air turbine starter planetary gear set assembly fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321499148.5U CN220128643U (en) | 2023-06-13 | 2023-06-13 | Air turbine starter planetary gear set assembly fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220128643U true CN220128643U (en) | 2023-12-05 |
Family
ID=88956894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321499148.5U Active CN220128643U (en) | 2023-06-13 | 2023-06-13 | Air turbine starter planetary gear set assembly fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220128643U (en) |
-
2023
- 2023-06-13 CN CN202321499148.5U patent/CN220128643U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |