CN112025605A - Hole detector end cap assembly and disassembly tools - Google Patents
Hole detector end cap assembly and disassembly tools Download PDFInfo
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- CN112025605A CN112025605A CN202010844063.0A CN202010844063A CN112025605A CN 112025605 A CN112025605 A CN 112025605A CN 202010844063 A CN202010844063 A CN 202010844063A CN 112025605 A CN112025605 A CN 112025605A
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- sleeve
- hole
- plug
- unlocking
- wrenching
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
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Abstract
The application provides a hole appearance end cap assembly and disassembly tools, hole appearance end cap assembly and disassembly tools includes: the unlocking sleeve, the wrenching sleeve and the connecting sleeve can freely rotate relative to each other; the front end of the unlocking sleeve is provided with a square notch for releasing the locking block and an arc wall surface for pressing the locking block tightly, when the locking block is pressed down, the arc end surface of the locking block is separated from the locking edge of the plug, so that unlocking is realized, and the rear end of the unlocking sleeve is provided with a disc for manually rotating the unlocking sleeve; the front end of the wrenching sleeve is provided with a plurality of holes matched with the multi-surface column body, the rear end of the wrenching sleeve is provided with a wrenching rod used for generating torque, and the hole detector plug can be detached from the combustion chamber casing through the plurality of holes; the front end of the connecting sleeve is provided with a threaded hole matched with the stud of the plug body, the rear end of the rear connecting sleeve is provided with a cylinder for manually rotating the connecting sleeve, and the plug of the hole detector can be taken out of the multilayer casing by screwing the connecting sleeve.
Description
Technical Field
The application belongs to the technical field of the frock, in particular to hole detector end cap assembly and disassembly tools.
Background
The hole detector is a common instrument in the field of aeroengines, and can detect or inspect the interior of an engine on the basis of not disassembling or damaging the structure of the engine. Before the hole detector is used, a through hole is usually required to be formed in an engine casing so that the hole detector can penetrate through the through hole, and after the hole detector is used, a hole detector plug is adopted to plug the through hole.
However, in the double-layer casing structure, the installation and removal of the plug is very inconvenient. There is a need for a tool that can install a bore sonde plug.
Disclosure of Invention
It is an object of the present application to provide a bore finder plug removal tool to solve or mitigate at least one of the problems described above.
The technical scheme of the application is as follows: the utility model provides a hole appearance end cap assembly and disassembly tools, hole appearance end cap assembly and disassembly tools includes: the unlocking sleeve, the wrenching sleeve and the connecting sleeve can freely rotate relative to each other;
the front end of the unlocking sleeve is provided with a square notch for releasing the locking block and an arc wall surface for pressing the locking block tightly, when the locking block is pressed down, the arc end surface of the locking block is separated from the locking edge of the plug, so that unlocking is realized, and the rear end of the unlocking sleeve is provided with a disc for manually rotating the unlocking sleeve;
the front end of the wrenching sleeve is provided with a plurality of holes matched with the multi-surface column body, the rear end of the wrenching sleeve is provided with a wrenching rod used for generating torque, and the hole detector plug can be detached from the combustion chamber casing through the plurality of holes;
the front end of the connecting sleeve is provided with a threaded hole matched with the stud of the plug body, the rear end of the rear connecting sleeve is provided with a cylinder for manually rotating the connecting sleeve, and the plug of the hole detector can be taken out of the multilayer casing by screwing the connecting sleeve.
In the application, the outer dimension of the arc wall surface of the unlocking sleeve is smaller than the inner dimension of the folded skirt structure.
In the application, the shape of the multi-surface hole is a polygon of 3-8.
In the application, the lengths of the unlocking sleeve, the wrenching sleeve and the connecting sleeve are not less than the distance between the double-layer casings.
The hole detector plug dismounting tool provided by the application can be used for dismounting the hole detector plug conveniently, the dismounting process is simple and quick, and the hole detector plug dismounting tool is suitable for dismounting the hole detector plug of a double-layer casing structure.
Drawings
In order to more clearly illustrate the technical solutions provided by the present application, the following briefly introduces the accompanying drawings. It is to be expressly understood that the drawings described below are only illustrative of some embodiments of the invention.
Fig. 1 is a schematic view of a self-lockable hole detector plug according to the present application.
Fig. 2 is a schematic structural diagram of a casing base according to the present application.
Fig. 3 is a schematic structural view of the locking block in the present application.
Fig. 4 is a schematic structural view of a plug of the hole detector.
FIG. 5 is a cross-sectional view of the bore probe plug assembly and disassembly tool of the present application.
FIG. 6 is an external view of the bore finder plug removal tool of the present application.
Fig. 7 is a schematic structural view of the insertion of the borehole probe plug assembly and disassembly tool into the casing according to the present application.
Fig. 8 is a partially enlarged view of the hole probe plug attaching and detaching tool according to the present application when attaching and detaching the plug.
Detailed Description
In order to make the implementation objects, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments of the present application will be described in more detail below with reference to the drawings in the embodiments of the present application.
Fig. 1 is a schematic structural view of a hole detector plug which needs to be detached in the hole detector plug detaching tool in the present application.
The plug structure of the pore detector is mainly installed on a combustion chamber casing, and the plug structure of the pore detector mainly comprises a casing base 1, a locking block 2, a baffle ring 3, a plug body 4 and a spring 5.
As shown in fig. 2, the casing base 1 and the casing barrel in the present application are of an integral structure. The casing base 1 is substantially in the shape of a stepped disk, and the top or upper part of the casing base 1 has a corrugated skirt structure arranged along the circumferential direction, i.e. a structure similar to a tooth. The inside of fold shirt rim structure has locking limit 11 and slip limit 12, and the angle on locking limit 11 is tangent with the circular arc terminal surface 22 on the latch segment 2 for realize spacing to latch segment 2, slip limit 12 is used for supporting latch segment 2, and its angular setting should guarantee that circular arc terminal surface 22 has long enough contact distance with locking limit 11. The inside of casket base 1 has step terminal surface 13 and screw hole 14, and step terminal surface 13 is used for supporting end cap body 4, and its minimum diameter that intersects with fold skirt structure should be greater than the diameter 3mm more than the cylinder surface 46 of end cap body 4 lower part at least to reserve the space for assembly and disassembly tools, screw hole 14 then the cylinder surface 46 of end cap body 4 carries out screw-thread fit, in order to play fixed end cap body 4 and realize sealed effect.
As shown in fig. 3, the locking block 2 is the main anti-loosening structure, and is substantially rectangular. One end of the locking piece is provided with a round hole 23, the other end of the locking piece is provided with a circular arc end surface 22, wherein the circular arc end surface 22 and the round hole 23 are in a concentric structure, so that the locking piece 2 does not interfere with the locking edge 11 when the locking piece 2 is rotated after locking. The round hole 23 is matched with a cylinder 43 arranged on the plug body 4 in an inserting mode, and the locking block 2 is fixed on the plug body 4 through the welding matching of the baffle ring 3 and the cylinder 43. The round hole 23 one end at the latch segment 2 is equipped with plane 24, and plane 24 roughly sets up along the axis direction of round hole 23, and it is used for contacting the cooperation with spacing post 44 on the end cap body 1, realizes spacing latch segment 2 to make spring 5 produce the pretightning force. A cylinder 21 is arranged on one side of the arc end face 22 of the locking block 2, a certain angle is formed between the cylinder 21 and the body part of the locking block 2, and the cylinder 21 is inserted into an inner hole of the spring 5 to fix the spring 4.
As shown in fig. 4, the plug body 4 is a main structure for sealing and assembling the plug hole. The plug body 4 integrally comprises a plug part 41 at the lower part, a cylindrical structure protruding from the middle part, a multi-surface column 47 and a stud 48 which are sequentially arranged upwards. The head 41 is of a threaded configuration which screws into a threaded bore 14 in the casing base 1 and seals by the lower end face 42 of the central cylindrical configuration in contact with the stepped end face 13. The connecting area of the cylindrical structure and the multi-surface cylinder 47 at the middle part is provided with a round hole 45 which is radially arranged, the round hole 45 is used for penetrating the spring 5, a certain gap is reserved, and the spring 4 is prevented from interfering with the round hole 45. The multi-surface cylinder 47 arranged on the upper part of the cylindrical structure is an important screwing structure and is used for screwing tools such as a wrench and the like to play a role in disassembling and assembling the plug body 4. The stud 48 on the top of the plug body 3 is used for the connecting tool to feed in or take out the plug body 4 when the multi-layer casing needs to be blind-mounted or blind-dismounted.
In order to realize installing and dismantling above-mentioned hole probe end cap, provide a hole probe end cap assembly and disassembly tools in this application.
As shown in fig. 5 and 6, the disassembling tool has a three-layer sleeve structure, can freely rotate relative to each other, and mainly comprises an unlocking sleeve 6, a wrenching sleeve 7 and a connecting sleeve 8.
The main function of the unlocking sleeve 6 is to press down the locking block 2 to separate the arc end face 22 from the locking edge 11, so as to realize unlocking. The front end of the unlocking sleeve 6 is provided with a square notch 61 for releasing the locking block and an arc wall surface 62 for pressing the locking block, and the rear end is provided with a disc 63 for manually rotating the unlocking sleeve 6.
In the present application, the circular arc wall surface 62 of the unlocking sleeve 6 has a smaller outer dimension than the inner dimension of the pleated skirt structure, so that the circular arc wall surface 62 of the unlocking sleeve 6 can be inserted into the inner bore of the pleated skirt structure.
The main function of the wrenching sleeve 7 is to remove the bore finder plug 4 from the combustion chamber casing. Wherein the front end of the wrenching bushing 7 has a multi-faced hole 71 to be fitted with the multi-faced cylinder 47, and the rear end has a wrenching bar 72 for generating torque.
In the present application, the multi-faced holes 71 and the multi-faced cylinders 47 may include polygons having shapes of 3 to 8. Such as a regular triangle, a regular quadrangle, or a regular hexagon.
The main function of the connecting sleeve 8 is to remove the bore probe plug 4 from the multi-layer casing. Wherein, the front end of the connecting sleeve 8 is provided with a threaded hole 81 matched with the stud 48, and the rear end is provided with a cylinder 82 used for manually rotating the connecting sleeve 8.
In the present application, the lengths of the unlocking sleeve 6, the wrenching sleeve 7 and the connecting sleeve 8 are not less than the distance between the two-layer casings, so that the dismounting tool composed of the unlocking sleeve 6, the wrenching sleeve 7 and the connecting sleeve 8 can reach the innermost casing in the two-layer or multi-layer casing.
Take a double-layer casing structure with a culvert casing as an example.
As shown in fig. 7 and 8, firstly, the dismounting tool of the present application is inserted from the inspection hole 21 on the culvert casing 20, and the position of the dismounting tool is adjusted so that the front end of the dismounting tool is in contact with and coaxial with the bore finder plug 4; then, the cylinder 82 is manually rotated, and the threaded hole 81 on the connecting sleeve 8 is screwed on the stud 48 on the hole detector plug 4 until the threaded hole is not screwed; then the unlocking sleeve 6 and the wrenching sleeve 7 are respectively rotated to enable the square notch 61 at the front end of the unlocking sleeve 6 to be clamped on the locking block 2, and simultaneously, the multi-surface hole 71 at the front end of the wrenching sleeve 7 is inserted on the multi-surface column 47; then, manually rotating the disc 63 counterclockwise for a quarter of a turn to enable the locking block 2 to be pressed by the arc wall surface 62 to realize unlocking; finally, under the condition that the unlocking sleeve 6 and the connecting sleeve 8 are not enabled to rotate relative to the screwing sleeve 7, the screwing rod 72 on the screwing sleeve 7 is rotated anticlockwise until the probe plug 4 is separated from the combustion chamber casing B, and then the hole probe plug can be detached.
The assembly of the hole detector plug is the reverse of the process of the previous complaint, and is not described in detail here.
Through the hole detector plug assembly and disassembly tool provided by the application, the hole detector plug can be conveniently disassembled and assembled, the disassembly and assembly process is simple, convenient and quick, and the hole detector plug assembly and disassembly tool is suitable for disassembling and assembling the hole detector plug of a double-layer casing structure.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (4)
1. The utility model provides a hole appearance end cap assembly and disassembly tools, its characterized in that, hole appearance end cap assembly and disassembly tools includes: an unlocking sleeve (6), a wrenching sleeve (7) and a connecting sleeve (8) which can freely rotate with each other;
the front end of the unlocking sleeve (6) is provided with a square notch (61) for releasing the locking block and an arc wall surface (62) for pressing the locking block tightly, when the locking block (2) is pressed down, an arc end surface (22) of the locking block is separated from a locking edge (11) of the plug, so that unlocking is realized, and the rear end of the unlocking sleeve (6) is provided with a disc (63) for manually rotating the unlocking sleeve (6);
the front end of the wrenching sleeve (7) is provided with a multi-surface hole (71) matched with the multi-surface column body (47), the rear end of the wrenching sleeve (7) is provided with a wrenching rod (72) used for generating torque, and the hole detector plug (4) can be detached from the combustion chamber casing through the multi-surface hole (71);
the front end of the connecting sleeve (8) is provided with a threaded hole (81) matched with the stud (48) of the plug body, the rear end of the rear connecting sleeve (8) is provided with a cylinder (82) used for manually rotating the connecting sleeve (8), and the hole detector plug (4) can be taken out of the multilayer casing by screwing the connecting sleeve (8).
2. The borehole probe plug assembly and disassembly tool of claim 1, wherein the arcuate wall surface (62) of the release sleeve (6) has an outer dimension that is less than an inner dimension of the pleated skirt structure.
3. The tool for dismounting and mounting a borehole sonde plug according to claim 1, characterized in that the shape of the multi-faced hole (71) is 3-8 polygons.
4. The borehole probe plug assembly and disassembly tool of claim 1, wherein the length of the unlocking sleeve (6), the wrenching sleeve (7) and the connecting sleeve (8) is not less than the distance between the double-layer casings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010844063.0A CN112025605B (en) | 2020-08-20 | 2020-08-20 | Hole detector end cap assembly and disassembly tools |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010844063.0A CN112025605B (en) | 2020-08-20 | 2020-08-20 | Hole detector end cap assembly and disassembly tools |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112025605A true CN112025605A (en) | 2020-12-04 |
| CN112025605B CN112025605B (en) | 2022-04-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010844063.0A Active CN112025605B (en) | 2020-08-20 | 2020-08-20 | Hole detector end cap assembly and disassembly tools |
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| Country | Link |
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| CN (1) | CN112025605B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114109538A (en) * | 2021-11-12 | 2022-03-01 | 中国航发沈阳发动机研究所 | Double-deck quick-witted casket hole exploration hole plugging structure |
| CN114800379A (en) * | 2022-04-14 | 2022-07-29 | 中国航发贵州黎阳航空动力有限公司 | Turbofan engine plug dismantling method, dismantling tool and dismantling simulation device |
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| DE102008058775A1 (en) * | 2007-11-29 | 2009-06-04 | Rainer July | Tool i.e. probe, for lifting of e.g. massive plug, for diesel engine, has holding tube and outer sleeve movable in direction of conical band of inner sleeve by relative rotation between holding bar and tube |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114109538A (en) * | 2021-11-12 | 2022-03-01 | 中国航发沈阳发动机研究所 | Double-deck quick-witted casket hole exploration hole plugging structure |
| CN114109538B (en) * | 2021-11-12 | 2023-09-08 | 中国航发沈阳发动机研究所 | Double-layer casing Kong Tankong hole blocking structure |
| CN114800379A (en) * | 2022-04-14 | 2022-07-29 | 中国航发贵州黎阳航空动力有限公司 | Turbofan engine plug dismantling method, dismantling tool and dismantling simulation device |
| CN114800379B (en) * | 2022-04-14 | 2023-09-26 | 中国航发贵州黎阳航空动力有限公司 | Turbofan engine plug dismantling method, dismantling tool and dismantling simulation device |
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|---|---|
| CN112025605B (en) | 2022-04-01 |
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