CN208163526U - Threaded shaft seal pulling tool for aeronautical maintenance - Google Patents
Threaded shaft seal pulling tool for aeronautical maintenance Download PDFInfo
- Publication number
- CN208163526U CN208163526U CN201820639188.8U CN201820639188U CN208163526U CN 208163526 U CN208163526 U CN 208163526U CN 201820639188 U CN201820639188 U CN 201820639188U CN 208163526 U CN208163526 U CN 208163526U
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- China
- Prior art keywords
- axle envelope
- axle
- briquetting
- dead man
- shaft seal
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Abstract
The utility model discloses a kind of threaded shaft seal pulling tools for aeronautical maintenance, the axle envelope puller mainly includes internal screw thread cylinder, briquetting in two axle envelopes, axle envelope dead man and axle envelope pushing block, briquetting is during axle envelope dead man moves axially in two of them axle envelope, it can be to two sides radial dilatation, to be contacted with the extruding of axle envelope inner wall, at the same time, axle envelope pushing block can also be connected on the portion end surface of axle envelope exposing, during axle envelope dead man continues to move to, the end face of axle envelope and inner wall are by axial force, so that axle envelope is during extraction, stress surface is more greatly and more evenly, a possibility that substantially reducing to axle envelope damage.
Description
Technical field
The utility model belongs to aeronautical maintenance technical field, specifically, being to be related to a kind of screw thread for aeronautical maintenance
Profile shaft seals puller.
Background technique
During aeronautical maintenance, it is frequently encountered the disassembly of axle envelope.There are two types of the method for current disassembly axle envelope is general：First
Kind is direct using axle envelope is axially tapped, in order to make the extruding force between axle envelope and shell uniform enough as far as possible, beating point needs
Circumferential continuous variation, this method are mainly used for dismantling the lower axle envelope of required precision, but be not suitable for required precision compared with
High axle envelope；Second is using dedicated axle envelope extracting tool, and tool generally comprises screw rod, screw bolt seat, axle envelope pushing block, grasping
When making, screw rod runs through axle envelope, and axle envelope pushing block is connected to the portion end surface of axle envelope exposing, pulls axle envelope pushing block to move by rotation screw rod
It is dynamic, and axle envelope is released, this method due between axle envelope pushing block and axle envelope contact surface it is still smaller, and the Impact direction of axle envelope
It is excessively single, certain damage still may be caused to axle envelope.
Utility model content
The purpose of this utility model is that solve the above-mentioned problems and provides a kind of screw-type for aeronautical maintenance
Axle envelope puller.
The utility model is achieved through the following technical solutions above-mentioned purpose：
A kind of threaded shaft seal pulling tool for aeronautical maintenance, including：
Internal screw thread cylinder, the front end of the inner thread sleeve are opened up there are two radial groove, and two radial grooves are symmetrical
The central axes two sides of the internal screw thread cylinder are set；
Briquetting in two axle envelopes, briquetting is sectorial block in the axle envelope, one fan-shaped surface radial rigidity is connected with sliding block,
Its extrados is provided with for squeezing the rubber layer contacted with axle envelope inner wall, and the sliding block of briquetting corresponds in two axle envelopes
It is connected in two radial grooves, briquetting is symmetricly set on the central axes two of the internal screw thread cylinder in two axle envelopes
Side, the adjustable through-hole of diameter is constituted in two axle envelopes between briquetting, which is made of two symmetric parts of conical bore；
Axle envelope dead man, the axle envelope dead man runs through the internal screw thread cylinder, and is threadedly coupled with the internal screw thread cylinder, the axis
The front of envelope dead man is provided with the briquetting driving to match with the through-hole structure and bores；
Axle envelope pushing block, the axle envelope pushing block are detachably connected on the front end of the axle envelope dead man, thereafter end face and the pressure
The bigger diameter end of block driving cone abuts.
As a kind of technical solution of this patent selection, the internal screw thread cylinder rigid connection has fixing support rack, described solid
Support frame is determined for lifting adjustable structure.
As a kind of technical solution of this patent selection, briquetting is a quarter sectorial block in the axle envelope.
As a kind of technical solution of this patent selection, the radial groove is T-slot, and the sliding block is and the radial direction
The T-block that sliding slot matches.
As a kind of technical solution of this patent selection, the rear end of the axle envelope dead man is machined with the spanner of hexagonal structure
Clamping portion.
As a kind of technical solution of this patent selection, the axle envelope pushing block is cylindrical structure, and axial direction is provided with heavy
Hole, the large-diameter portion of the counterbore are socketed in the front end of the axle envelope dead man.
As a kind of technical solution of this patent selection, the front end of the axle envelope dead man is machined with screw hole, and the axle envelope pushes away
Block is bolted to connection on the axle envelope dead man, and the bolt is penetrated and is threaded in by the miner diameter end of the counterbore
In the screw hole.
Compared with prior art, the utility model has the advantages that：
The axle envelope puller mainly includes internal screw thread cylinder, briquetting, axle envelope dead man and axle envelope pushing block in two axle envelopes, two of them
Briquetting, can be to two sides radial dilatation, to connect with the extruding of axle envelope inner wall during axle envelope dead man moves axially in axle envelope
Touching, at the same time, axle envelope pushing block can also be connected on the portion end surface of axle envelope exposing, in the process that axle envelope dead man continues to move to
In, the end face of axle envelope and inner wall are by axial force so that axle envelope is during extraction, stress surface more greatly and more evenly, greatly
A possibility that reducing greatly to axle envelope damage.
Detailed description of the invention
Fig. 1 is the application schematic diagram of threaded shaft seal pulling tool described in the utility model；
Fig. 2 is the partial enlarged view in Fig. 1 at A；
Fig. 3 is briquetting in axle envelope described in the utility model, the axle envelope dead man, the internal screw thread cylinder, briquetting driving
Assembling schematic diagram between cone；
Fig. 4 is the structural schematic diagram of axle envelope pushing block described in the utility model；
In above-mentioned attached drawing, the corresponding component names of appended drawing reference are as follows：
1- shell, 2- axle envelope, the driving of 3- briquetting are bored, 4- bolt, 5- axle envelope pushing block, briquetting in 6- axle envelope, 7- internal screw thread
Cylinder, 8- fixing support rack, 9- axle envelope dead man, 10- spanner clamping portion, 11- rubber layer, 12- radial groove, 13- sliding block, 14- spiral shell
Hole, 15- counterbore.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing：
In conjunction with shown in Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the utility model includes with flowering structure：
Internal screw thread cylinder 7, the front end of inner thread sleeve are opened up there are two radial groove 12, and two radial grooves 12 are symmetrically set
It sets in the central axes two sides of interior thread barrel 7；
Briquetting 6 in two axle envelopes, briquetting 6 is sectorial block in axle envelope, one fan-shaped surface radial rigidity is connected with sliding block 13,
Its extrados is provided with for squeezing the rubber layer 11 contacted with axle envelope inner wall, and the sliding block 13 1 of briquetting 6 is a pair of in two axle envelopes
It should be connected in two radial grooves 12, briquetting 6 is symmetricly set on the central axes two sides of internal screw thread cylinder 7 in two axle envelopes, and two
The adjustable through-hole of diameter is constituted in axle envelope between briquetting 6, which is made of two symmetric parts of conical bore；
Axle envelope dead man 9, axle envelope dead man 9 runs through internal screw thread cylinder 7, and is threadedly coupled with internal screw thread cylinder 7, before axle envelope dead man 9
Portion is provided with the briquetting driving cone 3 to match with through-hole structure；
Axle envelope pushing block 5, axle envelope pushing block 5 are detachably connected on the front end of axle envelope dead man 9, thereafter end face and briquetting driving cone 3
Bigger diameter end abut.
As a kind of technical solution of this patent selection, the rigid connection of internal screw thread cylinder 7 has fixing support rack 8, fixed support
Frame 8 is lifting adjustable structure, and during axle envelope dead man 9 rotates, fixing support rack 8 is used to internal screw thread cylinder 7 keeping quiet
Only, consequently facilitating generating the withdrawal force to axle envelope, shell 1 of the lift designed for matching different shape, size.
As a kind of technical solution of this patent selection, briquetting 6 is a quarter sectorial block in axle envelope.
As a kind of technical solution of this patent selection, radial groove 12 is T-slot, and sliding block 13 is and 12 phase of radial groove
Matched T-block.
As a kind of technical solution of this patent selection, the rear end of axle envelope dead man 9 is machined with the spanner card of hexagonal structure
Socket part 10.
As a kind of technical solution of this patent selection, axle envelope pushing block 5 is cylindrical structure, and axial direction is provided with counterbore
15, the large-diameter portion of the counterbore 15 is socketed in the front end of axle envelope dead man 9.
As a kind of technical solution of this patent selection, the front end of axle envelope dead man 9 is machined with screw hole 14, and axle envelope pushing block 5 is logical
It crosses bolt 4 to be fixedly connected on axle envelope dead man 9, bolt is penetrated by the miner diameter end of counterbore 15 and is threaded in screw hole 14.
The working principle of the utility model is as follows：
Detachable connection between axle envelope pushing block 5 and axle envelope dead man 9 is convenient for according to axle envelope size, shell inner hole size more
The axle envelope pushing block 5 for changing corresponding size is also convenient for component assembling during extracting axle envelope；
The outer diameter of internal screw thread cylinder 7 is less than the internal diameter of axle envelope, after briquetting 6 in two axle envelopes is extended to 2 inner hole of axle envelope, in holding
Thread barrel 7 is stationary, and axle envelope pushing block 5 is fixedly connected on axle envelope dead man 9, and abuts with briquetting driving cone 3；
Axle envelope dead man 9 is rotated using spanner, moves back its axial direction, in acting on for briquetting driving cone 3, two axle envelope internal pressures
Block 6 moves radially, and while compressing between 2 inner wall of extrados and axle envelope of two axle envelope briquettings, axle envelope pushing block 5 is also pressed on
On the end face that axle envelope 2 is exposed, the satisfaction of the condition needs to carry out size design, therefore specificity is relatively strong；
Axle envelope 2 by the thrust of axle envelope pushing block 5 backward, and is continued to move back by the frictional force of briquetting 6 backward in axle envelope,
Until being pulled out completely.
According to above embodiment, the utility model can be realized well.It is worth noting that being set based on above structure
Under the premise of meter, to solve same technical problem, even if made on the utility model it is some without substantive change or
Polishing, the essence of used technical solution is still as the utility model, therefore it should also be as the protection in the utility model
In range.
Claims (7)
1. a kind of threaded shaft seal pulling tool for aeronautical maintenance, which is characterized in that including：
Internal screw thread cylinder, the front end of the inner thread sleeve are opened up there are two radial groove, and two radial grooves are symmetrical arranged
In the central axes two sides of the internal screw thread cylinder；
Briquetting in two axle envelopes, briquetting is sectorial block in the axle envelope, one fan-shaped surface radial rigidity is connected with sliding block, outside
Cambered surface is provided with for squeezing the rubber layer contacted with axle envelope inner wall, and the sliding block of briquetting corresponds clamping in two axle envelopes
In two radial grooves, briquetting is symmetricly set on the central axes two sides of the internal screw thread cylinder in two axle envelopes, and two
The adjustable through-hole of diameter is constituted in a axle envelope between briquetting, which is made of two symmetric parts of conical bore；
Axle envelope dead man, the axle envelope dead man runs through the internal screw thread cylinder, and is threadedly coupled with the internal screw thread cylinder, and the axle envelope is pulled out
The front of bar is provided with the briquetting driving to match with the through-hole structure and bores；
Axle envelope pushing block, the axle envelope pushing block are detachably connected on the front end of the axle envelope dead man, and end face and the briquetting drive thereafter
The bigger diameter end of mantle abuts.
2. being used for the threaded shaft seal pulling tool of aeronautical maintenance according to claim 1, which is characterized in that the internal screw thread cylinder is rigid
Property be connected with fixing support rack, the fixing support rack is lifting adjustable structure.
3. being used for the threaded shaft seal pulling tool of aeronautical maintenance according to claim 1, which is characterized in that briquetting in the axle envelope
For a quarter sectorial block.
4. being used for the threaded shaft seal pulling tool of aeronautical maintenance according to claim 1, which is characterized in that the radial groove is
T-slot, the sliding block are the T-block to match with the radial groove.
5. being used for the threaded shaft seal pulling tool of aeronautical maintenance according to claim 1, which is characterized in that the axle envelope dead man
Rear end is machined with the spanner clamping portion of hexagonal structure.
6. being used for the threaded shaft seal pulling tool of aeronautical maintenance according to claim 1, which is characterized in that the axle envelope pushing block is
Cylindrical structure, axial direction are provided with counterbore, and the large-diameter portion of the counterbore is socketed in the front end of the axle envelope dead man.
7. being used for the threaded shaft seal pulling tool of aeronautical maintenance according to claim 6, which is characterized in that the axle envelope dead man
Front end is machined with screw hole, and the axle envelope pushing block is bolted to connection on the axle envelope dead man, and the bolt is by described heavy
The miner diameter end in hole is penetrated and is threaded in the screw hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820639188.8U CN208163526U (en) | 2018-04-28 | 2018-04-28 | Threaded shaft seal pulling tool for aeronautical maintenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820639188.8U CN208163526U (en) | 2018-04-28 | 2018-04-28 | Threaded shaft seal pulling tool for aeronautical maintenance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208163526U true CN208163526U (en) | 2018-11-30 |
Family
ID=64368327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820639188.8U Active CN208163526U (en) | 2018-04-28 | 2018-04-28 | Threaded shaft seal pulling tool for aeronautical maintenance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208163526U (en) |
-
2018
- 2018-04-28 CN CN201820639188.8U patent/CN208163526U/en active Active
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| GR01 | Patent grant |