CN219287344U

CN219287344U - Special fixture for main line package winding of aircraft generator

Info

Publication number: CN219287344U
Application number: CN202320017999.5U
Authority: CN
Inventors: 范立文; 周睿
Original assignee: Chengdu Kaiser Technology Co ltd
Current assignee: Chengdu Kaiser Technology Co ltd
Priority date: 2023-01-05
Filing date: 2023-01-05
Publication date: 2023-06-30
Anticipated expiration: 2033-01-05

Abstract

The utility model provides a special fixture for a main line package wire of an aircraft generator, and belongs to the technical field of engine assembly fixtures. Including pressing from both sides tight piece, be equipped with the mounting groove on the internal face of pressing from both sides tight piece, the inside of mounting groove runs through and has seted up logical groove, is connected with the first tensioning screw that is used for holding the tight piece both sides of pressing from both sides tight piece on pressing from both sides tight piece, and the both ends that lie in the mounting groove on pressing from both sides tight piece all are equipped with radial spacing subassembly, and the one side that the mounting groove was kept away from to the tight piece of pressing from both sides is equipped with the sleeve that is used for connecting the coiling machine main shaft. After the side cylinders of the iron core-end plate-groove insulating assembly are embedded on the clamping blocks, the clamping blocks are slightly deformed at the through groove positions by screwing the first tensioning screws, so that the iron core-end plate-groove insulating assembly is clamped, and limiting pins at two sides of the mounting groove are adjusted to enable the limiting pins to be abutted against the end faces at two sides of the clamping blocks and fix the limiting pins, and therefore the iron core-end plate-groove insulating assembly mounting fixture has the effect of improving the mounting stability of the iron core-end plate-groove insulating assembly on the fixture.

Description

Special fixture for main line package winding of aircraft generator

Technical Field

The utility model relates to the technical field of engine assembly clamps, in particular to a special clamp for a main wire wrapping wire of an aircraft generator.

Background

The main wire package ASSEMBLY (MAIN FIELD assmbly) is one of the core assemblies of an integral drive GENERATOR (IDG, INTEGRETED DRIVE GENERATOR) of a civil aircraft, which employs a two-pole core and enameled round wire windings.

Referring to fig. 1, before the main wire-wrap assembly is wound, the core-end plate-slot insulation assembly is fixed to the main shaft of the winding machine and then rotated by the main shaft of the winding machine, thereby winding the enameled round wire into the slot in the middle thereof.

Referring to fig. 2, a fixture for fixing an iron core-end plate-slot insulation assembly on a spindle of a winding machine in a conventional device is composed of a connecting shaft, a bottom plate and two side plates, wherein the bottom plate is connected with the spindle of the winding machine through the connecting shaft, the two side plates are arranged on two sides of the bottom plate, the iron core-end plate-slot insulation assembly is installed between the two side plates, and two side plates are connected through tension bolts to clamp the iron core-end plate-slot insulation assembly, but only the clamping function is achieved, and the functions of longitudinal positioning and quick clamping cannot be met.

Disclosure of Invention

In view of the above, the present utility model provides a special fixture for an aircraft generator main package wire.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a special fixture that aircraft generator main line package wire winding was used, including the clamp block, be equipped with on the inner wall of clamp block with the side cylinder face looks adaptation of core-end plate-groove insulation component and both ends run through the mounting groove of clamp block, the inside of mounting groove runs through along the mounting groove length direction and has seted up logical groove, be located the opening department of mounting groove on the clamp block and be connected with along mounting groove width direction and be used for pulling the first tensioning screw of clamp block both sides, be located the both ends of mounting groove on the clamp block and all be equipped with the radial spacing subassembly that is used for restricting radial movement of core-end plate-groove insulation component, the one side that the clamp block kept away from the mounting groove is equipped with the sleeve that is used for connecting the coiling machine main shaft.

Further, radial spacing subassembly includes fixed block, spacer pin and first jackscrew, and fixed block fixed connection is on pressing from both sides tight piece, and the spacer pin slides along mounting groove length direction and passes to establish on the fixed block, and first screw has been seted up to the lateral wall of fixed block, and first jackscrew threaded connection is in first screw to after passing first screw butt is on the spacer pin in order to restrict the spacer pin and remove.

Further, a through hole is formed in one side, located on the mounting groove, of the clamping block in a penetrating mode along the width direction of the mounting groove, a tensioning screw hole opposite to the through hole is formed in the other side, located on the mounting groove, of the clamping block in a penetrating mode, and the first tensioning screw penetrates through the through hole in the clamping block and then is in threaded connection with the tensioning screw hole in the other side of the clamping block.

Further, one end of the sleeve, which is close to the clamping block, is provided with a connecting flange, the sleeve is detachably connected with the clamping block through a second tensioning screw, and the second tensioning screw penetrates through the through hole in the connecting flange and is in threaded connection with the clamping block.

Further, a second screw hole is further formed in the connecting flange, a second jackscrew is connected in the second screw hole in a threaded mode, and the second jackscrew is in butt joint with the clamping block.

Further, a mounting hole matched with the winding machine spindle is coaxially formed in the sleeve, a third screw hole is formed in the side wall of the sleeve in a penetrating mode, a third jackscrew is connected in the third screw hole in a threaded mode, and the third jackscrew penetrates through the third screw hole and abuts against the winding machine spindle to limit movement of the winding machine spindle.

Further, the two sides of the clamping block are fixedly connected with the fixing blocks, and the edge, which is far away from one side of the clamping block and is close to the opening of the mounting groove, of the fixing block is provided with an arc surface for the lamination and fixation of the extending part of the edge of the insulating groove of the iron core-end plate-groove insulating assembly.

The beneficial effects of the utility model are as follows: after the side cylinders of the iron core-end plate-groove insulating assembly are embedded on the clamping block, a first tensioning screw penetrates through one side of the clamping block and then is connected with the other side of the clamping block in a threaded mode, the clamping block is slightly deformed at the through groove position by screwing the first tensioning screw, so that the iron core-end plate-groove insulating assembly is clamped, limiting pins on two sides of the mounting groove are adjusted to enable the limiting pins to be abutted against two side end faces of the clamping block, the limiting pins are fixed, and therefore the iron core-end plate-groove insulating assembly is effectively prevented from moving axially along the mounting groove in the mounting groove, and the mounting stability of the iron core-end plate-groove insulating assembly on the clamp is greatly improved.

Drawings

Fig. 1 is a schematic view of the overall structure of a core-end plate-slot insulation assembly.

Fig. 2 is a schematic overall structure of a conventional jig.

Fig. 3 is a schematic diagram of two-sided structure of a special fixture according to an embodiment of the present application.

Fig. 4 is an exploded schematic view of a special fixture according to an embodiment of the present application.

Wherein, 1, clamping the piece; 11. a mounting groove; 12. a through groove; 2. a first set screw; 3. a radial limit assembly; 31. a fixed block; 32. a limiting pin; 33. a first jackscrew; 4. a sleeve; 41. a connecting flange; 42. a second set screw; 43. a second jackscrew; 44. a third jackscrew; 5. a fixed block; 51. an arc surface; 6. a core-end plate-slot insulation assembly; 7. a bottom plate; 71. a side plate; 72. and a connecting shaft.

Detailed Description

In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.

The embodiment of the application discloses special fixture that aircraft generator owner line package wire was used, refer to fig. 3, 4, including clamping block 1, be equipped with mounting groove 11 on the internal face of clamping block 1, the shape of mounting groove 11 and the side cylindrical surface looks adaptation of iron core-end plate-groove insulation component 6, the both ends of mounting groove 11 run through clamping block 1, the inside of mounting groove 11 is equipped with a logical groove 12, the length direction of logical groove 12 is unanimous with the length direction of mounting groove 11, the both ends of logical groove 12 all run through clamping block 1. The clamping block 1 is connected with a first tightening screw 2 along the width direction of the mounting groove 11, and the first tightening screw 2 passes through the opening of the mounting groove 11 to connect the two side portions of the clamping block 1 located in the mounting groove 11 together. When the core-end plate-slot insulating assembly 6 is fitted on the clamping block 1, the clamping block 1 is slightly deformed at the through slot 12 by tightening both sides of the clamping block 1 by the first tightening screw 2, thereby clamping and fixing the core-end plate-slot insulating assembly 6.

Specifically, a through hole is formed in one side, located on the mounting groove 11, of the clamping block 1 in a penetrating manner along the width direction of the mounting groove 11, a tensioning screw hole opposite to the through hole is formed in the other side, located on the mounting groove 11, of the clamping block 1 in a penetrating manner, the first tensioning screw 2 penetrates through the through hole in the clamping block 1 and then is in threaded connection with the tensioning screw hole in the other side of the clamping block 1, and two sides of the mounting groove 11 on the clamping block 1 can be tensioned inwards by tightening the first tensioning screw 2. In order to uniformly clamp the iron core-end plate-slot insulating assembly 6 on the clamping block 1, two first tensioning screws 2 are arranged, and the two first tensioning screws 2 are respectively positioned at openings at two ends of the mounting slot 11.

In the present embodiment, the radial stop assembly 3 includes a fixed block 531, a stop pin 32, and a first jack screw 33. The fixing block 531 is fixedly coupled to the side wall of the clamping block 1 by a screw, and one end of the fixing block 531 extends into the end opening of the mounting groove 11. The end of the fixed block 531 extending into the opening of the mounting groove 11 is provided with a through hole in a penetrating manner along the length direction of the mounting groove 11, the limiting pin 32 is coaxially and slidably arranged in the through hole on the fixed block 531, the side wall of the fixed block 531 is provided with a first screw hole communicated with the through hole, and the first jackscrew 33 is in threaded connection with the first screw hole. By tightening the first jack screw 33, the first jack screw 33 is abutted against the side wall of the limit pin 32, and the limit pin 32 can be restricted from moving in the perforation. By adjusting the limiting pins 32 at two sides of the mounting groove 11, the two limiting pins 32 are abutted against two side end faces of the iron core-end plate-groove insulating assembly 6 in the mounting groove 11, so that the iron core-end plate-groove insulating assembly 6 can be limited to move radially along the iron core-end plate-groove insulating assembly 6 in the mounting groove 11, and the mounting and fixing stability of the iron core-end plate-groove insulating assembly 6 is improved.

Further, the sleeve 4 on the back of the clamping block 1 is detachably connected with the clamping block 1, and the sleeve 4 which is adapted to the spindle of the winding machine of different types can be selected by replacing the sleeve 4. Specifically, a connecting flange 41 is arranged at one end of the sleeve 4, which is close to the clamping block 1, a through hole is formed in the connecting flange 41 in a penetrating manner, a screw hole corresponding to the through hole is formed in the back surface of the clamping block 1, a second tensioning screw 42 is arranged in the through hole in the connecting flange 41, and the second tensioning screw 42 is in threaded connection with the clamping block 1 after penetrating through the through hole in the connecting flange 41, so that the sleeve 4 is connected and fixed on the clamping block 1.

In order to improve the connection stability of the sleeve 4, a second screw hole is formed in the connecting flange 41 in a penetrating manner, a second jackscrew 43 is connected in the second screw hole in a threaded manner, the second jackscrew 43 is abutted against the back surface of the clamping block 1 by screwing the second jackscrew 43, and the sleeve 4 and the clamping block 1 can be fixed together by respectively pulling and pushing the sleeve 4 through second tensioning screws and second jackscrew 43 nails, so that the sleeve 4 is effectively prevented from loosening.

Further, a mounting hole adapted to the spindle of the winding machine is coaxially formed in one end, far away from the clamping block 1, of the sleeve 4, a third screw hole is formed in the side wall of the sleeve 4 in a penetrating mode, a third jackscrew 44 is connected to the third screw hole in a threaded mode, and the third jackscrew 44 is abutted to the outer wall of the spindle of the winding machine through tightening the third jackscrew 44, so that the spindle of the winding machine is fixedly connected with the sleeve 4.

In order to facilitate winding of the iron core-end plate-slot insulation assembly 6 in the winding process, in the embodiment of the application, fixing blocks 531 are further fixed on two sides of the clamping block 1, the fixing blocks 531 are fixedly connected to the clamping block 1 through bolts, and an arc surface 51 is arranged at the edge, away from one side surface of the clamping block 1, of the fixing blocks 531 and close to the opening of the mounting slot 11. When the iron core-end plate-slot insulating assembly 6 is mounted on the clamping block 1, the extending part of the edge of the insulating slot of the iron core-end plate-slot insulating assembly 6 can be folded to be attached to the arc surface 51 on the fixed block 531, and then the iron core-end plate-slot insulating assembly 6 is connected and fixed with the fixed block 531 by using adhesive tape, so that the iron core-end plate-slot insulating assembly 6 can shrink in size in the winding process, and the winding is facilitated.

The implementation principle of the special fixture for the main line package wire of the aircraft generator is as follows: the side cylinders of the iron core-end plate-slot insulating assembly 6 are matched and installed in the installation groove 11 on the clamping block 1, the two sides of the installation groove 11 on the clamping block 1 are closed by screwing the first tension bolt, the clamping block 1 is utilized to slightly deform through the groove 12 so as to clamp and fix the iron core-end plate-slot insulating assembly 6 on the clamping block 1, the positions of the limiting pins 32 on the two sides of the clamping block 1 are adjusted, the limiting pins 32 are abutted on the side cylinder end faces of the iron core-end plate-slot insulating assembly 6, and the limiting pins 32 are locked and fixed, so that the iron core-end plate-slot insulating assembly 6 can be limited to move in the radial direction of the iron core-end plate-slot insulating assembly. The positioning and fixing effects on the iron core-end plate-slot insulating assembly 6 are good, and the disassembly and assembly are convenient.

It will be apparent to those skilled in the art that while preferred embodiments of the present utility model have been described, additional variations and modifications may be made to these embodiments once the basic inventive concepts are known to those skilled in the art. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the utility model. It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims

1. A special fixture that aircraft generator main line package wire was used, its characterized in that: including pressing from both sides tight piece (1), be equipped with on the internal face of pressing from both sides tight piece (1) with the side cylindrical surface looks adaptation of iron core-end plate-groove insulation package (6) and both ends run through mounting groove (11) of pressing from both sides tight piece (1), the inside of mounting groove (11) is run through along mounting groove (11) length direction and is offered logical groove (12), be located opening part of mounting groove (11) on pressing from both sides tight piece (1) and be connected with along mounting groove (11) width direction and be used for pulling on first tensioning screw (2) of pressing from both sides tight piece (1) both sides, the both ends that lie in mounting groove (11) on pressing from both sides tight piece (1) all are equipped with radial spacing subassembly (3) that are used for restricting iron core-end plate-groove insulation package (6) radial movement, the one side that pressing from both sides tight piece (1) was kept away from both sides tight piece (11) is equipped with sleeve (4) that are used for connecting the coiling machine main shaft.

2. The special fixture for aircraft generator main line package wire according to claim 1, wherein the radial limiting assembly (3) comprises fixed blocks (5) (31), limiting pins (32) and first jackscrews (33), the fixed blocks (5) (31) are fixedly connected to the clamping blocks (1), the limiting pins (32) are slidingly transmitted to the fixed blocks (5) (31) along the length direction of the mounting groove (11), first screw holes are formed in the side walls of the fixed blocks (5) (31), and the first jackscrews (33) are in threaded connection in the first screw holes and abut against the limiting pins (32) after penetrating through the first screw holes to limit the movement of the limiting pins (32).

3. The special fixture for aircraft generator main line package wire according to claim 1, wherein the through hole is formed in one side of the mounting groove (11) on the clamping block (1) in a penetrating manner along the width direction of the mounting groove (11), the tensioning screw hole opposite to the through hole is formed in the other side of the mounting groove (11) on the clamping block (1), and the first tensioning screw (2) penetrates through the through hole on the clamping block (1) and then is in threaded connection with the tensioning screw hole on the other side of the clamping block (1).

4. The special fixture for aircraft generator main line package wire according to claim 1, characterized in that one end of the sleeve (4) close to the clamping block (1) is provided with a connecting flange (41), the sleeve (4) is detachably connected with the clamping block (1) through a second tensioning screw (42), and the second tensioning screw (42) penetrates through a hole in the connecting flange (41) and then is in threaded connection with the clamping block (1).

5. The special fixture for aircraft generator main line package wire according to claim 4, wherein the connecting flange (41) is further provided with a second screw hole, a second jackscrew (43) is connected in the second screw hole in a threaded manner, and the second jackscrew (43) is abutted to the clamping block (1).

6. The special fixture for aircraft generator main line package wire winding according to claim 4, wherein the sleeve (4) is coaxially provided with a mounting hole adapted to a main shaft of the wire winding machine, a third screw hole is formed in the side wall of the sleeve (4) in a penetrating manner, a third jackscrew (44) is connected in the third screw hole in a threaded manner, and the third jackscrew (44) penetrates through the third screw hole and abuts against the main shaft of the wire winding machine to limit the movement of the main shaft of the wire winding machine.

7. The special fixture for aircraft generator main line wrapping wire according to any one of claims 1-6, characterized in that two sides of the clamping block (1) are fixedly connected with fixing blocks (5) (31), and an arc surface (51) for fitting and fixing an extending part of the edge of an insulation slot of the iron core-end plate-slot insulation assembly (6) is arranged at the edge, which is far away from one side of the clamping block (1) and is close to an opening of the mounting slot (11), of the fixing blocks (5) (31).