CN205438400U - A frock clamp for turbine disc decomposes - Google Patents
A frock clamp for turbine disc decomposes Download PDFInfo
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- CN205438400U CN205438400U CN201521131922.2U CN201521131922U CN205438400U CN 205438400 U CN205438400 U CN 205438400U CN 201521131922 U CN201521131922 U CN 201521131922U CN 205438400 U CN205438400 U CN 205438400U
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- buckle
- power turbine
- output shaft
- decomposed
- frock clamp
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Abstract
The utility model discloses a frock clamp for turbine disc decomposes, including being used for stretching into from a center bore of power turbine dish to the 2nd center bore of power turbine output shaft in and the solid handle assembly between power turbine dish and power turbine output shaft of card, handle assembly is last to offer threaded hole along a center bore axial, and threaded hole internal thread is connected with the decomposition bolt that the 2nd center bore nose end wall in the power turbine output shaft was supported on the top, the axial length that the part outside handle assembly is encorbelmented to the decomposition bolt is greater than the axial connecting length between power turbine dish and the power turbine output shaft. Force also to produce reverse effort between power turbine dish and the power turbine output shaft and break away from each other when rotatory handle assembly, realize the decomposition that power turbine coiled. The dismantlement that is applicable to similar interference fit structure among the aeroengine is decomposed.
Description
Technical field
This utility model relates to aero-engine mounting technology field, especially, relating to a kind of frock clamp decomposed for the turbine disk.
Background technology
In aero-engine, the power turbine dish of gas turbine is connected frequently with interference fit with power turbine output shaft, and the flange of power turbine dish carries out interference fits in being stuck in the groove of power turbine output shaft.
Due to the operating that engine block is long-term, need periodically to carry out dismounting and safeguard.And power turbine dish and the dismounting of power turbine output shaft, rely primarily on common copper rod and tap.But utilizing copper rod to carry out tapping separation, easily cause discontinuity, part is easily suppressed, and cannot be separated with power turbine output shaft by power turbine dish, causes the turbine disk to dismantle；Simultaneously by power turbine dish and power turbine output shaft are tapped repeatedly, easily damage part.
Utility model content
This utility model provides a kind of frock clamp decomposed for the turbine disk, the power turbine dish dismantled in the way of solving the percussion of existing copper rod, easily causes unbalance stress or part is suppressed and caused power turbine dish to dismantle；Owing to repeatedly tapping the technical problem of the infringement easily causing power turbine dish.
This utility model provides a kind of frock clamp decomposed for the turbine disk, including in the second central shaft hole for stretching to power turbine output shaft from the first central shaft hole of the power turbine disk and be fastened in the handle mechanism between power turbine dish and power turbine output shaft；Axially offering screwed hole along the first central shaft hole on handle mechanism, screwed hole female thread connects the decomposition bolt having the second central shaft hole nose end wall being resisted against power turbine output shaft；Decompose the axial length of the part that bolt is encorbelmented outside handle mechanism more than the axial connecting length between power turbine dish and power turbine output shaft.
Further, handle mechanism includes the Plug Division in being plugged on the first central shaft hole, is fastened between power turbine dish and power turbine output shaft and the Access Division that can radially open or close up and for hand-held Handheld Division；Handheld Division is radially fixed on Plug Division along Plug Division, and Plug Division is docked vertically with Access Division and keeps screwed hole through.
Further, the internal face of Plug Division and/or Access Division is provided with screw thread.
Further, Access Division includes the first half of buckle and the second half of buckle；It is positioned opposite that first half of buckle and the second half of buckle are rotationally connected with the end of Plug Division, the first half of buckle and the second half of buckle respectively, and leaves for clearance space in relative rotation between the first half of buckle and the second half of buckle.
Further, Access Division includes the first half of buckle and the second half of buckle；It is positioned opposite that first half of buckle and the second half of buckle are connected to the end of Plug Division, the first half of buckle and the second half of buckle respectively by elastic component, and leaves the clearance space for relative resilient deformation between the first half of buckle and the second half of buckle.
Further, Access Division includes the first half of buckle and the second half of buckle；It is positioned opposite that first half of buckle and the second half of buckle are rotationally connected with the end of Plug Division, the first half of buckle and the second half of buckle respectively, and is provided with elastic component between the first half of buckle and the second half of buckle.
Further, the fixing face of the first half of buckle and the second half of buckle is disposed as plane；The face of slipping into of the first half of buckle and the second half of buckle is disposed as arcwall face.
Further, decomposing bolt and include screw rod and nut, the first end of screw rod is affixed with nut, and the second end of screw rod is arranged with for preventing screw rod and the protection set of the second central shaft hole nose end wall generation interaction force.
Further, the spacing between nut and handle mechanism is more than the axial size for connection between power turbine dish and power turbine output shaft.
Further, screw rod includes using threaded thread segment and the force section abutted with the hole end surface of the second central shaft hole with the first central shaft hole.
This utility model has the advantages that
The frock clamp that this utility model decomposes for the turbine disk, by handle mechanism being stretched in the elongated central shaft hole on power turbine dish and power turbine output shaft, and the junction making handle mechanism be fastened between power turbine dish and power turbine output shaft forms the spacing of handle mechanism so that handle mechanism cannot deviate from central shaft hole vertically；Utilize decomposition bolt stretch to the second central shaft hole of power turbine output shaft in the screwed hole of handle mechanism and be resisted against the nose end wall of the second central shaft hole, formed and decompose the spacing of bolt；Decompose bolt and use threaded engagement with screwed hole, when holding handle mechanism rotating decomposition bolt with a firm grip, engagement due to screw thread, produce to decompose and form, between bolt and handle mechanism, the active force being mutually disengaged vertically, owing to decomposing the position-limiting action between position-limiting action and handle mechanism and the power turbine dish between nut and the second centre bore nose end wall, thus force the active force being mutually disengaged the most vertically between power turbine dish and power turbine output shaft and be mutually disengaged, it is achieved the decomposition of power turbine dish.Be applicable to aero-engine, the dismounting of similar over-surplus fit structure is decomposed.
In addition to objects, features and advantages described above, this utility model also has other objects, features and advantages.Below with reference to figure, this utility model is described in further detail.
Accompanying drawing explanation
The accompanying drawing of the part constituting the application is used for providing being further appreciated by of the present utility model, and schematic description and description of the present utility model is used for explaining this utility model, is not intended that improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of the frock clamp decomposed for the turbine disk of this utility model preferred embodiment.
Marginal data:
1, power turbine dish；101, the first central shaft hole；2, power turbine output shaft；201, the second central shaft hole；3, handle mechanism；301, screwed hole；302, Plug Division；303, Access Division；3031, the first half of buckle；3032, the second half of buckle；304, Handheld Division；4, bolt is decomposed；401, screw rod；4011, thread segment；4012, force section；402, nut；5, plane；6, arcwall face；7, protection set.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail, but this utility model can be implemented by following the multitude of different ways limiting and covering.
Fig. 1 is the structural representation of the frock clamp decomposed for the turbine disk of this utility model preferred embodiment.As shown in Figure 1, the frock clamp decomposed for the turbine disk of the present embodiment, including in the second central shaft hole 201 for stretching to power turbine output shaft 2 from the first central shaft hole 101 of the power turbine disk 1 and the handle mechanism 3 that is fastened between power turbine dish 1 and power turbine output shaft 2；Axially offering screwed hole 301 along the first central shaft hole 101 on handle mechanism 3, screwed hole 301 female thread connects the decomposition bolt 4 having the second central shaft hole 201 nose end wall being resisted against power turbine output shaft 2；Decompose the axial length of the part that bolt 4 is encorbelmented outside handle mechanism 3 more than the axial connecting length between power turbine dish 1 and power turbine output shaft 2.The frock clamp that this utility model decomposes for the turbine disk, by handle mechanism 3 being stretched in the elongated central shaft hole on power turbine dish 1 and power turbine output shaft 2, and the junction making handle mechanism 3 be fastened between power turbine dish 1 and power turbine output shaft 2 forms the spacing of handle mechanism 3 so that handle mechanism 3 cannot deviate from central shaft hole vertically；Utilize decomposition bolt 4 stretch to the second central shaft hole 201 of power turbine output shaft 2 in the screwed hole 301 of handle mechanism 3 and be resisted against the nose end wall of the second central shaft hole 201, formed and decompose the spacing of bolt 4；Decompose bolt 4 and use threaded engagement with screwed hole 301, when holding handle mechanism 3 rotating decomposition bolt 4 with a firm grip, engagement due to screw thread, produce to decompose and form, between bolt 4 and handle mechanism 3, the active force being mutually disengaged vertically, owing to decomposing the position-limiting action between position-limiting action and handle mechanism 3 and the power turbine dish 1 between nut and the second centre bore nose end wall, thus force the active force being mutually disengaged the most vertically between power turbine dish 1 and power turbine output shaft 2 and be mutually disengaged, it is achieved the decomposition of power turbine dish 1.Be applicable to aero-engine, the dismounting of similar over-surplus fit structure is decomposed.
As shown in Figure 1, in the present embodiment, handle mechanism 3 includes the Plug Division 302 in being plugged on the first central shaft hole 101, be fastened between power turbine dish 1 and power turbine output shaft 2 and the Access Division 303 that can radially open or close up and for hand-held Handheld Division 304.Handheld Division 304 is radially fixed on Plug Division 302 along Plug Division 302, and Plug Division 302 is docked vertically with Access Division 303 and keeps screwed hole 301 through.
As it is shown in figure 1, in the present embodiment, the internal face of Plug Division 302 and/or Access Division 303 is provided with screw thread.
As it is shown in figure 1, in the present embodiment, Access Division 303 includes the first half of buckle 3031 and the second half of buckle 3032.First half of buckle 3031 and the second half of buckle 3032 are rotationally connected with the end of Plug Division 302 respectively.First half of buckle 3031 is positioned opposite with the second half of buckle 3032, and leaves for clearance space in relative rotation between the first half of buckle 3031 and the second half of buckle 3032.
As it is shown in figure 1, in the present embodiment, Access Division 303 includes the first half of buckle 3031 and the second half of buckle 3032.First half of buckle 3031 and the second half of buckle 3032 are connected to the end of Plug Division 302 respectively by elastic component.First half of buckle 3031 is positioned opposite with the second half of buckle 3032, and leaves the clearance space for relative resilient deformation between the first half of buckle 3031 and the second half of buckle 3032.
As it is shown in figure 1, in the present embodiment, Access Division 303 includes the first half of buckle 3031 and the second half of buckle 3032.First half of buckle 3031 and the second half of buckle 3032 are rotationally connected with the end of Plug Division 302 respectively.First half of buckle 3031 is positioned opposite with the second half of buckle 3032, and is provided with elastic component between the first half of buckle 3031 and the second half of buckle 3032.
As it is shown in figure 1, in the present embodiment, the fixing face of the first half of buckle 3031 and the second half of buckle 3032 is disposed as plane 5.The face of slipping into of the first half of buckle 3031 and the second half of buckle 3032 is disposed as arcwall face 6.
As it is shown in figure 1, in the present embodiment, decompose bolt 4 and include screw rod 401 and nut 402.First end of screw rod 401 is affixed with nut 402.Second end of screw rod 401 is arranged with for preventing the protection of screw rod 401 and the second central shaft hole 201 nose end wall generation interaction force from overlapping 7.
As it is shown in figure 1, in the present embodiment, the spacing between nut 402 and handle mechanism 3 is more than the axial size for connection between power turbine dish 1 and power turbine output shaft 2.
As it is shown in figure 1, in the present embodiment, screw rod 401 includes the force section 4012 using threaded thread segment 4011 and the hole end surface with the second central shaft hole 201 to abut with the first central shaft hole 101.
During enforcement, it is provided that a kind of withdrawal device (frock clamp decomposed for the turbine disk), this withdrawal device includes three parts: handle (Plug Division 302), bolt (decomposing bolt 4), pulling force handle (Access Division 303).During use, pulling force handle (Access Division 303) is closed up, insert second central shaft hole 201 at power turbine output shaft 2 center, it is inserted into bolt (decomposing bolt 4), pulling force handle (first half of buckle 3031 and the second half of buckle 3032) is strutted by bolt (decomposing bolt 4), and contacts with power turbine dish 1.Hold withdrawal device (for the turbine disk decompose frock clamp) handle, along wink clockwise turn bolt (decomposing bolt 4), connected by screw thread (decomposing bolt 4), pulling force handle moves left the most past with handle, thus is successfully pulled out from the junction of power turbine output shaft 2 by power turbine dish 1.
Devise can close up, expandable pulling force handle, freedom of movement in the confined space of output shaft.Utilizing internal and external threads principle, bolt turns clockwise, and pulling force handle and handle drive the turbine disk toward moving right simultaneously.Simple, convenient.Uniform force, part will not be suppressed.Protect other part without damage；Reduce work difficulty, improve efficiency.
The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, for a person skilled in the art, this utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.
Claims (10)
1. the frock clamp decomposed for the turbine disk, it is characterised in that
Including in the second central shaft hole (201) for stretching to power turbine output shaft (2) from first central shaft hole (101) of the power turbine disk (1) and the handle mechanism (3) that is fastened between described power turbine dish (1) and described power turbine output shaft (2)；
Axially offering screwed hole (301) along described first central shaft hole (101) on described handle mechanism (3), described screwed hole (301) female thread connects the decomposition bolt (4) having described second central shaft hole (201) the nose end wall being resisted against described power turbine output shaft (2)；
Described decomposition bolt (4) encorbelments the axial length in the outer part of described handle mechanism (3) more than the axial connecting length between described power turbine dish (1) and described power turbine output shaft (2).
The frock clamp decomposed for the turbine disk the most according to claim 1, it is characterised in that
Described handle mechanism (3) includes the Plug Division (302) in being plugged on described first central shaft hole (101), be fastened between described power turbine dish (1) and described power turbine output shaft (2) and the Access Division (303) that can radially open or close up and for hand-held Handheld Division (304)；
Described Handheld Division (304) is radially fixed on described Plug Division (302) along described Plug Division (302), and described Plug Division (302) dock vertically with described Access Division (303) and keep described screwed hole (301) through.
The frock clamp decomposed for the turbine disk the most according to claim 2, it is characterised in that
The internal face of described Plug Division (302) and/or described Access Division (303) is provided with screw thread.
The frock clamp decomposed for the turbine disk the most according to claim 2, it is characterised in that
Described Access Division (303) includes the first half of buckle (3031) and the second half of buckle (3032)；
Described first half of buckle (3031) and the described second half of buckle (3032) are rotationally connected with the end of described Plug Division (302) respectively,
Described first half of buckle (3031) is positioned opposite with the described second half of buckle (3032), and leaves for clearance space in relative rotation between the described first half of buckle (3031) and the described second half of buckle (3032).
The frock clamp decomposed for the turbine disk the most according to claim 2, it is characterised in that
Described Access Division (303) includes the first half of buckle (3031) and the second half of buckle (3032)；
Described first half of buckle (3031) and the described second half of buckle (3032) are connected to the end of Plug Division (302) respectively by elastic component,
Described first half of buckle (3031) is positioned opposite with the described second half of buckle (3032), and leaves the clearance space for relative resilient deformation between the described first half of buckle (3031) and the described second half of buckle (3032).
The frock clamp decomposed for the turbine disk the most according to claim 2, it is characterised in that
Described Access Division (303) includes the first half of buckle (3031) and the second half of buckle (3032)；
Described first half of buckle (3031) and the described second half of buckle (3032) are rotationally connected with the end of described Plug Division (302) respectively,
Described first half of buckle (3031) is positioned opposite with the described second half of buckle (3032), and is provided with elastic component between the described first half of buckle (3031) and the described second half of buckle (3032).
7. according to the frock clamp decomposed for the turbine disk according to any one of claim 4 to 6, it is characterised in that
The fixing face of the described first half of buckle (3031) and the described second half of buckle (3032) is disposed as plane (5)；
The face of slipping into of the described first half of buckle (3031) and the described second half of buckle (3032) is disposed as arcwall face (6).
The frock clamp decomposed for the turbine disk the most according to any one of claim 1 to 6, it is characterised in that
Described decomposition bolt (4) includes screw rod (401) and nut (402),
First end of described screw rod (401) is affixed with described nut (402),
Second end of described screw rod (401) is arranged with the protection set (7) for preventing described screw rod (401) and described second central shaft hole (201) nose end wall generation interaction force.
The frock clamp decomposed for the turbine disk the most according to claim 8, it is characterised in that
Spacing between described nut (402) and described handle mechanism (3) is more than the axial size for connection between described power turbine dish (1) and described power turbine output shaft (2).
The frock clamp decomposed for the turbine disk the most according to claim 8, it is characterised in that
Described screw rod (401) includes the force section (4012) using threaded thread segment (4011) and the hole end surface with described second central shaft hole (201) to abut with described first central shaft hole (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521131922.2U CN205438400U (en) | 2015-12-31 | 2015-12-31 | A frock clamp for turbine disc decomposes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521131922.2U CN205438400U (en) | 2015-12-31 | 2015-12-31 | A frock clamp for turbine disc decomposes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205438400U true CN205438400U (en) | 2016-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521131922.2U Active CN205438400U (en) | 2015-12-31 | 2015-12-31 | A frock clamp for turbine disc decomposes |
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| Country | Link |
|---|---|
| CN (1) | CN205438400U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111958545A (en) * | 2020-07-27 | 2020-11-20 | 杭州汽轮机股份有限公司 | Wheel disc interference dismounting device of gas turbine compressor |
| CN114571401A (en) * | 2020-12-02 | 2022-06-03 | 中国航发商用航空发动机有限责任公司 | Aeroengine rotor disc disassembling tool |
| CN115519513A (en) * | 2022-11-22 | 2022-12-27 | 成都中科翼能科技有限公司 | Method and tool structure for decomposing interference fit structure of turbine rotor |
-
2015
- 2015-12-31 CN CN201521131922.2U patent/CN205438400U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111958545A (en) * | 2020-07-27 | 2020-11-20 | 杭州汽轮机股份有限公司 | Wheel disc interference dismounting device of gas turbine compressor |
| CN111958545B (en) * | 2020-07-27 | 2021-10-19 | 杭州汽轮机股份有限公司 | Wheel disc interference dismounting device of gas turbine compressor |
| CN114571401A (en) * | 2020-12-02 | 2022-06-03 | 中国航发商用航空发动机有限责任公司 | Aeroengine rotor disc disassembling tool |
| CN114571401B (en) * | 2020-12-02 | 2024-01-16 | 中国航发商用航空发动机有限责任公司 | Aircraft engine rotor disk disassembly tool |
| CN115519513A (en) * | 2022-11-22 | 2022-12-27 | 成都中科翼能科技有限公司 | Method and tool structure for decomposing interference fit structure of turbine rotor |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |