CN214979387U - Clamping tool for repairing aviation piston engine case - Google Patents
Clamping tool for repairing aviation piston engine case Download PDFInfo
- Publication number
- CN214979387U CN214979387U CN202121172129.2U CN202121172129U CN214979387U CN 214979387 U CN214979387 U CN 214979387U CN 202121172129 U CN202121172129 U CN 202121172129U CN 214979387 U CN214979387 U CN 214979387U
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- plate
- positioning
- casing
- clamping plate
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Abstract
The utility model relates to an aviation piston engine machine casket is restoreed and is used clamping frock, the clamping frock includes: the clamping plate assembly mainly comprises a clamping plate, positioning reference bulges and a plurality of compactors, wherein the positioning reference bulges and the plurality of compactors are distributed on the clamping plate; the bottom of the positioning boss is provided with a clamping chassis which can be arranged in a clamping space on the clamping plate assembly, one end of the clamping chassis is provided with at least one row of calibration plate connecting holes which can be connected with a calibration plate, and the top of the positioning boss is provided with a positioning top plate which can be butted with the cylinder end face of the machined casing; the calibration plate is connected to the clamping chassis of the positioning boss and erected beside the positioning top plate of the positioning boss, and the calibration plate is matched with the tail end face of the machined casing.
Description
Technical Field
The patent of the utility model relates to a clamping frock, specific is a clamping frock is used in repair of aviation piston engine machine casket.
Background
The casing of the aviation piston engine is a precise mounting base for important parts such as a crankshaft, a camshaft, a cylinder and the like. The casing of an aviation piston engine is generally of a horizontally-opposed structure and is formed by combining a left half body and a right half body. After the aviation piston engine is used for a certain time, phenomena such as fretting wear, fretting corrosion and the like can be generated at the middle joint surface of the casing, so that the pressure-bearing area at the middle joint surface is reduced, and the normal operation of each component is influenced. Meanwhile, the sealing performance of the center joint surface of the casing is affected, and lubricating oil leakage is caused. Therefore, the abutting surface in the casing of the aviation piston engine needs to be maintained regularly.
The maintenance treatment of the joint surface in the casing of the aviation piston engine is to mill the corrosion layer of the joint surface in the casing, the milling depth of the joint surface in the middle of the casing side of a single half is usually within 0.20mm, and after the milling treatment is completed, the two half bodies are combined. Before maintenance processing of the joint face in the casing, clamping and positioning of the single-half casing on the working platform are needed, and the cylinder face of the casing and the working platform are clamped and fixed, so that detection and maintenance are facilitated.
At present, the clamping and positioning of the casing in the industry is a traditional clamping mode, for example, a screw rod, a nut and a pressing plate exert downward pressure on the casing, and meanwhile, an equal-height block is adopted below the casing and attached to an overhead casing through a cylinder surface of the casing so that the casing can be horizontally placed, so that the mode has many parts and a complex structure. The method is easy to generate unnecessary position interference, the clamping, positioning, debugging and aligning are extremely troublesome, the operation is complex, the positioning is inconvenient, and the use efficiency is low.
Disclosure of Invention
The utility model aims to provide a: aiming at the technical problems, the clamping tool for repairing the aviation piston engine case is simple in structure, simple to operate, convenient to locate and high in using efficiency.
The technical purpose of the utility model is realized through the following technical scheme:
the utility model provides an aviation piston engine machine casket is restoreed and is used clamping frock, the clamping frock includes:
the clamping plate assembly mainly comprises a clamping plate, positioning reference bulges and a plurality of pressing devices, wherein the positioning reference bulges and the plurality of pressing devices are distributed on the clamping plate, a plurality of machine tool locking grooves are distributed on the periphery of the clamping plate, and the positioning reference bulges and the plurality of pressing devices form a clamping space capable of clamping the positioning bosses on the clamping plate;
a positioning boss, the bottom of which is provided with a clamping chassis that can be installed in a clamping space on the clamping plate assembly, one end of the clamping chassis is provided with at least one row of calibration plate connecting holes that can be connected with a calibration plate, and the top of the positioning boss is provided with a positioning top plate that can be butted with the cylinder end face of the machined casing;
the calibration plate is connected to the clamping chassis of the positioning boss and erected beside the positioning top disk of the positioning boss, and the calibration plate is matched with the tail end face of the machined casing.
The clamping plate of the clamping plate assembly is of a rectangular plate structure corresponding to the outline structure of the machined casing;
the positioning datum protrusions of the clamping plate assembly are at least two, the positioning datum protrusions are arranged on one side of the clamping plate along the length direction of the clamping plate at intervals, and the positioning datum surfaces of the positioning datum protrusions are on the same straight line;
the plurality of pressing devices of the clamping plate assembly are divided into a pressing group and a pressing group according to a pressing mode, the pressing devices of the pressing group are dispersedly arranged at the two ends of the clamping plate corresponding to the two ends of the clamping plate in the length direction, and the pressing devices of the pressing group are dispersedly arranged at the other side of the clamping plate in the length direction relative to the arrangement direction of the positioning reference bulges.
A plurality of machine tool locking grooves which are formed in a U-shaped structure are distributed on the periphery of the clamping plate, and correspond to the locking structures on the machine tool workbench.
And operating handles are respectively arranged at the two ends of the clamping plate in the length direction.
The compactor is a quick push-pull compactor.
The clamping plate assembly is characterized in that a positioning reference side which can be matched with a positioning reference bulge of the clamping plate assembly is arranged on one side of the clamping base plate of the positioning boss, the bottom surface of the clamping base plate is in surface contact fit with the bottom surface of a clamping space of the clamping plate assembly, and the positioning reference side of the clamping base plate is in surface contact fit with the positioning reference surface of the positioning reference bulge.
The positioning top disc of the positioning boss corresponds to the cylinder end face profile of the machined casing, casing stud through holes capable of enabling studs on the cylinder end face of the machined casing to penetrate one by one are formed in the positioning top disc, and when the studs on the cylinder end face of the machined casing penetrate in the corresponding casing stud through holes in the positioning top disc, the positioning top disc and the cylinder end face of the machined casing form surface contact matching.
The positioning boss is of a vertical hollow structure, and a plurality of lightening holes are formed in the positioning boss at least between the clamping base plate and the positioning top plate.
The calibrating plate mainly comprises a vertically-formed vertical reference section and a horizontally-formed connecting bottom plate section, and is L-shaped, the vertical reference section is provided with a depth gauge detecting hole corresponding to a crankshaft hole of a machined case connected with the positioning boss, and the connecting bottom plate section is provided with a plurality of connecting holes which can be in one-to-one corresponding matching with the corresponding calibrating plate connecting holes on the clamping chassis; when the calibration plate is connected to the clamping chassis of the positioning boss, the calibration base surface of the calibration plate is perpendicular to the positioning top plate extension surface of the positioning boss.
The processed case is a Raceming A1H6 type case or a Raceming L2A type case.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a composite structure, including clamping plate assembly, location boss, calibration plate, adopt the collet to be connected between clamping plate assembly and the location boss, for traditional threaded connection's mode, its simple structure, easy operation. After the cylinder surface of the casing is arranged on a positioning top disc of the positioning boss, the side surface of the casing is matched with the tail end surface of the machined casing by using a calibration plate, and further correction is carried out; by adopting the technical scheme, interference on a machined surface can not be generated, the whole clamping mechanism can not be continuously adjusted due to correction, the positioning is convenient, and the use efficiency is effectively improved.
2. The utility model discloses in set up the location reference surface on the clamping board, the bellied location reference surface of location reference is corresponding with the processing axle axis place face of lathe, and messenger clamping assembly that can be quick fixes a position on the lathe.
3. The utility model discloses a periphery distribution of clamping plate has a plurality of fashioned lathe locking grooves of U type structure that are, and these lathe locking grooves are corresponding with the locking structure on the lathe workstation. The locking groove of the machine tool is set to be U-shaped, so that fine adjustment of the locking groove is facilitated in the using process.
4. The utility model discloses a be provided with operating handle on the clamping plate, its simple structure, in the use, conveniently take, can effectively improve availability factor.
5. The utility model discloses a set up respectively on the clamping plate and push down group and flat group, both guaranteed the dismouting that the location boss can be quick, improved the stability of whole clamping frock simultaneously.
6. The utility model discloses a clamping chassis one side of location boss has can with the protruding identical location benchmark side of location benchmark of clamping plate assembly, the bottom surface on clamping chassis and the clamping space bottom surface of clamping plate assembly form the face contact cooperation, the location benchmark side on clamping chassis and the protruding location benchmark face of location benchmark form the face contact cooperation. The technical effects of quick installation and positioning can be achieved by adopting a surface-to-surface contact matching mode.
7. The utility model discloses in adopt the structure of "each double-screw bolt of cylinder end face and the perforation one-to-one of quick-witted casket double-screw bolt" and "location top dish and the cylinder end face formation face contact cooperation by the processing machine casket", its simple structure, convenient operation are fixed a position on the top dish by the installation that the processing machine casket can make things convenient for quick.
8. The utility model has the advantages of being simple in structure and simple in operation, use through the cooperation of depth gauge inspection hole and depth gauge, just can accomplish the location calibration in by processing machine casket side position.
9. The utility model discloses a calibration plate connecting hole is two rows on the clamping chassis, and the mounted position of adjustment calibration plate can be applicable to different machine casket, and its simple structure, application range are wide.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the clamping plate assembly of FIG. 1;
FIG. 3 is a schematic view of the positioning boss structure in FIG. 1;
FIG. 4 is a schematic diagram of the structure of the calibration plate of FIG. 1;
fig. 5 is a reference diagram of the usage state of the present invention;
reference numerals: 1, clamping a plate assembly; 11-clamping plate; 12-positioning reference protrusions; 13-machine tool locking groove; 14-pressing the compactor down; 15-operating handle; 16-a flat-pressing compactor; 2, positioning a boss; 21-clamping the chassis; 22-alignment plate attachment holes; 23, positioning a top disc; 24-stud hole punching of a casing; 25-lightening holes; 26-a boss operating handle; 3-calibrating the plate; 31-vertical reference section; 32-connecting the bottom plate sections; 33-depth perforation; 34-lightening holes; 4-case.
Detailed Description
Specific embodiments of the present invention are described below with reference to the accompanying drawings:
as shown in FIG. 5, the utility model relates to an aviation piston engine machine casket is restoreed and is used clamping frock. Wherein, the case 4 is a Raceming A1H6 type case 4 or a Raceming L2A type case.
As shown in fig. 1 to 5, the clamping tool includes a clamping plate assembly 1, a positioning boss 2, and a calibration plate 3.
Specifically, the clamping plate 11 of the clamping plate assembly 1 has a rectangular plate structure corresponding to the outline structure of the machined casing 4. The clamping plate assembly 1 mainly comprises a clamping plate 11, positioning reference protrusions 12 arranged on the clamping plate 11 and a plurality of pressing devices. The top and the bottom surfaces of the clamping plate 11 are parallel, 8 machine tool locking grooves 13 are distributed on the periphery of the clamping plate 11, and the positioning reference protrusions 12 and the pressing device form a clamping space capable of clamping the positioning bosses 2 on the clamping plate 11. These machine tool locking grooves 13 correspond to locking structures on the machine tool table. The machine tool locking groove 13 is U-shaped, and is beneficial to fine adjustment of the clamping plate 11 in the using process.
The bottom of the positioning boss 2 is provided with a clamping chassis 21 which can be arranged in a clamping space on the clamping plate assembly 1, one end of the clamping chassis 21 is provided with at least one row of calibration plate connecting holes 22 which can be connected with the calibration plate 3, and the top of the positioning boss 2 is provided with a positioning top plate 23 which can be butted with the cylinder end face of the machined casing 4;
the calibration plate 3 is connected to the clamping chassis 21 of the positioning boss 2 and erected beside the positioning top disk 23 of the positioning boss 2, and the calibration plate 3 is matched with the tail end face of the machined casing 4.
The utility model discloses a composite structure, including clamping plate assembly 1, location boss 2, calibration plate 3, adopt the collet to be connected between clamping plate assembly 1 and the location boss 2, for traditional threaded connection's mode, its simple structure, easy operation. After the cylinder surface of the casing 4 is arranged on the positioning top disc 23 of the positioning boss 2, the calibration plate 3 is matched with the tail end surface of the machined casing 4 from the side surface for further correction; by adopting the technical scheme, interference on a machined surface can not be generated, the whole clamping mechanism can not be continuously adjusted due to correction, the positioning is convenient, and the use efficiency is effectively improved.
As shown in fig. 2, the clamping plate assembly 1 has two positioning reference protrusions 12, the positioning reference protrusions 12 are arranged at intervals along the length direction of the clamping plate 11 on one side of the clamping plate 11, and the positioning reference surfaces of the positioning reference protrusions 12 are on the same straight line. The positioning reference surface is a surface where the positioning reference protrusion 12 and the clamping chassis 21 side of the positioning boss 2 are attached to each other. When the clamping plate 11 is clamped on the worktable of the machine tool, the positioning reference surface of the positioning reference bulge 12 corresponds to the surface of the machine tool where the axis of the processing shaft is located. The clamping plate 11 is provided with a positioning reference surface, so that the clamping assembly can be quickly positioned on a machine tool.
The plurality of pressers of the clamping plate assembly 1 are divided into a pressing group and a pressing group according to a pressing mode, 4 pressing pressers 14 of the pressing group are dispersedly arranged at two ends of the clamping plate 11 corresponding to two ends of the clamping plate 11 in the length direction, and 2 pressing pressers 16 of the pressing group are dispersedly arranged at the other side of the clamping plate 11 in the length direction relative to the arrangement direction of the positioning reference protrusions 12. The compactor is a quick push-pull compactor.
In the actual use process, when the positioning boss 2 is installed on the clamping plate 11, if the downward pressing compactor 14 is used, the positioning cannot be quickly positioned during installation; if the flat-pressing presser 16 is used, the positioning can be performed quickly during installation, but the positioning boss 2 is loosened by external force. Consequently, adopt the combination formula, set up respectively on clamping plate 11 and push down the group and put flat group, both guaranteed the quick dismouting of location boss 2 ability, improved the stability of whole clamping frock simultaneously.
The clamping plate 11 is provided with operating handles 15 at both ends in the longitudinal direction. The operating handle 15 is arranged on the clamping plate 11, the structure is simple, the clamping plate is convenient to take in the using process, and the using efficiency can be effectively improved.
As shown in fig. 3, the positioning boss 2 includes a clamping bottom plate 21 and a positioning top plate 23, the top and bottom surfaces of the clamping bottom plate 21 are parallel, and the bottom surface of the clamping bottom plate 21 is parallel to the plane of the positioning top plate 23.
One side of the clamping base plate 21 of the positioning boss 2 is provided with a positioning reference side which can be matched with the positioning reference bulge 12 of the clamping plate assembly 1, the bottom surface of the clamping base plate 21 is in surface contact fit with the bottom surface of the clamping space of the clamping plate assembly 1, and the positioning reference side of the clamping base plate 21 is in surface contact fit with the positioning reference surface of the positioning reference bulge 12. The technical effects of quick installation and positioning can be achieved by adopting a surface-to-surface contact matching mode.
The two rows of the calibration plate connecting holes 22 are formed in the clamping chassis 21, the mounting positions of the calibration plates 3 are adjusted, and the calibration plate connecting holes can be suitable for different casings 4 and are simple in structure and wide in application range.
The positioning reference side of the clamping chassis 21 is perpendicular to the hole type connecting line of the calibration plate connecting holes 22 in each row. When the clamping plate 11 is used, the clamping plate 11 is firstly installed on a machine tool, and the clamping plate 11 is adjusted so that the positioning reference surface of the positioning reference projection 12 of the clamping plate 11 corresponds to the surface where the machining shaft axis of the machine tool is located, namely is parallel to the machining shaft axis of the machine tool. Then, after the calibration plate 3 is mounted on the chuck chassis 21, the calibration plate 3 is horizontally perpendicular to the positioning reference side. And then, adjusting the tail part of the casing to enable the tail part of the casing to be parallel to the calibration plate 3 in the horizontal direction, wherein the tail part of the casing is vertical to the positioning reference side of the clamping chassis 21, vertical to a connecting line of the two positioning reference surfaces of the two positioning reference bulges 12 of the clamping plate 2 and vertical to the axis of a processing shaft of a machine tool. By adopting the structure, the tail part of the casing can be quickly vertical to the axis of the processing shaft of the machine tool to complete positioning, and the structure is simple and the positioning speed is high.
In order to improve the use efficiency, boss operating handles 26 are provided on the clamping chassis 21 at both ends of the positioning boss 2 in the length direction.
The outline of the positioning top disk 23 of the positioning boss 2 corresponds to the outline of the cylinder end face of the machined casing 4, the positioning top disk 23 is provided with casing 4 stud through holes 24 which can enable the studs on the cylinder end face of the machined casing 4 to be correspondingly penetrated and installed one by one, and when the studs on the cylinder end face of the machined casing 4 are penetrated and installed in the corresponding casing 4 stud through holes 24 on the positioning top disk 23, the positioning top disk 23 is in surface contact fit with the cylinder end face of the machined casing 4. The structure that the studs on the cylinder end face correspond to the stud through holes 24 of the casing 4 one by one and the positioning top disc 23 is in surface contact fit with the cylinder end face of the machined casing 4 is adopted, so that the structure is simple, the operation is convenient, and the machined casing 4 can be conveniently and quickly installed and positioned on the positioning top disc 23.
The positioning boss 2 is of a vertical hollow structure, and a plurality of lightening holes 25 are formed at least between the clamping base plate 21 and the positioning top plate 23 of the positioning boss 2. By adopting the structure of the lightening hole 25, the weight of the whole part can be reduced, and the working efficiency can be effectively improved.
As shown in fig. 4, the calibration plate 3 is mainly composed of a vertically-formed vertical reference section 31 and a horizontally-formed connecting bottom plate section 32, and is L-shaped, a depth gauge detection hole 33 capable of corresponding to a crankshaft hole of the machined case 4 connected to the positioning boss 2 is formed in the vertical reference section 31, and the depth gauge detection hole 33 in the calibration plate 3 is composed of an upper semi-arc hole and a lower semi-arc hole.
The connecting base plate section 32 is provided with 4 connecting holes which can be correspondingly matched with the corresponding calibrating plate connecting holes 22 on the clamping base plate 21; when the calibration plate 3 is connected to the clamping base plate 21 of the positioning boss 2, the calibration base surface of the calibration plate 3 is perpendicular to the extension surface of the positioning top plate 23 of the positioning boss 2.
The calibration plate 3 has a plurality of lightening holes 34 formed in a middle-lower region thereof. By adopting the structure of the lightening hole 34, the weight of the calibration plate 3 can be reduced, and the working efficiency can be effectively improved when the calibration plate is used.
Claims (10)
1. The utility model provides an aviation piston engine machine casket is restoreed and is used clamping frock which characterized in that, the clamping frock includes:
the clamping plate assembly mainly comprises a clamping plate, positioning reference bulges and a plurality of pressing devices, wherein the positioning reference bulges and the plurality of pressing devices are distributed on the clamping plate, a plurality of machine tool locking grooves are distributed on the periphery of the clamping plate, and the positioning reference bulges and the plurality of pressing devices form a clamping space capable of clamping the positioning bosses on the clamping plate;
a positioning boss, the bottom of which is provided with a clamping chassis that can be installed in a clamping space on the clamping plate assembly, one end of the clamping chassis is provided with at least one row of calibration plate connecting holes that can be connected with a calibration plate, and the top of the positioning boss is provided with a positioning top plate that can be butted with the cylinder end face of the machined casing;
the calibration plate is connected to the clamping chassis of the positioning boss and erected beside the positioning top disk of the positioning boss, and the calibration plate is matched with the tail end face of the machined casing.
2. The aviation piston engine casing repairing clamping tool as claimed in claim 1, wherein the clamping plate of the clamping plate assembly is of a rectangular plate structure corresponding to the outline structure of the machined casing;
the positioning datum protrusions of the clamping plate assembly are at least two, the positioning datum protrusions are arranged on one side of the clamping plate along the length direction of the clamping plate at intervals, and the positioning datum surfaces of the positioning datum protrusions are on the same straight line;
the plurality of pressing devices of the clamping plate assembly are divided into a pressing group and a pressing group according to a pressing mode, the pressing devices of the pressing group are dispersedly arranged at the two ends of the clamping plate corresponding to the two ends of the clamping plate in the length direction, and the pressing devices of the pressing group are dispersedly arranged at the other side of the clamping plate in the length direction relative to the arrangement direction of the positioning reference bulges.
3. The aviation piston engine receiver repairing clamping tool as claimed in claim 1 or 2, wherein a plurality of machine tool locking grooves formed in a U-shaped structure are distributed on the periphery of the clamping plate, and correspond to locking structures on a machine tool workbench.
4. The aviation piston engine casing repairing clamping tool as claimed in claim 1 or 2, wherein two ends of the clamping plate in the length direction are respectively provided with an operating handle.
5. The aviation piston engine casing repair clamping tool according to claim 1 or 2, wherein the compactor is a quick push-pull compactor.
6. The aviation piston engine receiver is repaired with clamping frock of claim 1, characterized in that, the clamping chassis one side of location boss has can with the protruding identical location benchmark side of location benchmark of clamping plate assembly, the bottom surface of clamping chassis with the clamping space bottom surface of clamping plate assembly forms face contact cooperation, the location benchmark side of clamping chassis with the protruding location benchmark face of location benchmark forms face contact cooperation.
7. The aviation piston engine casing repairing clamping tool as claimed in claim 1, wherein the locating top plate of the locating boss corresponds to the cylinder end face of the machined casing, and the locating top plate is provided with casing stud through holes capable of enabling the studs of the cylinder end face of the machined casing to be correspondingly penetrated one by one, and when the studs of the cylinder end face of the machined casing are penetrated in the corresponding casing stud through holes on the locating top plate, the locating top plate and the cylinder end face of the machined casing are in surface contact fit.
8. The aviation piston engine casing repairing clamping tool as claimed in claim 1, 6 or 7, wherein the positioning boss is of a vertical hollow structure, and a plurality of lightening holes are formed in the positioning boss at least between the clamping base plate and the positioning top plate.
9. The aviation piston engine case repairing clamping tool as claimed in claim 1, wherein the calibration plate is mainly composed of a vertically-formed vertical reference section and a horizontally-formed connecting bottom plate section, and is L-shaped, the vertical reference section is provided with a depth gauge detection hole corresponding to a crankshaft hole of a machined case connected with the positioning boss, and the connecting bottom plate section is provided with a plurality of connecting holes capable of forming one-to-one corresponding matching with the connecting holes of the corresponding calibration plate on the clamping bottom plate; when the calibration plate is connected to the clamping chassis of the positioning boss, the calibration base surface of the calibration plate is perpendicular to the positioning top plate extension surface of the positioning boss.
10. The clamping tool for repairing an aviation piston engine case as claimed in claim 1, wherein the machined case is a leicaming A1H6 type case or a leicaming L2A type case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121172129.2U CN214979387U (en) | 2021-05-28 | 2021-05-28 | Clamping tool for repairing aviation piston engine case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121172129.2U CN214979387U (en) | 2021-05-28 | 2021-05-28 | Clamping tool for repairing aviation piston engine case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214979387U true CN214979387U (en) | 2021-12-03 |
Family
ID=79087936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121172129.2U Expired - Fee Related CN214979387U (en) | 2021-05-28 | 2021-05-28 | Clamping tool for repairing aviation piston engine case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214979387U (en) |
-
2021
- 2021-05-28 CN CN202121172129.2U patent/CN214979387U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211203 |