CN111994779B - Hoisting method of compressor disk and hoisting tool for machining - Google Patents
Hoisting method of compressor disk and hoisting tool for machining Download PDFInfo
- Publication number
- CN111994779B CN111994779B CN202010961086.XA CN202010961086A CN111994779B CN 111994779 B CN111994779 B CN 111994779B CN 202010961086 A CN202010961086 A CN 202010961086A CN 111994779 B CN111994779 B CN 111994779B
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- hole
- spring chuck
- compressor
- compressor disk
- nut
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
Abstract
The invention discloses a hoisting method and a hoisting tool for machining a compressor disk. Before and after the compressor disk is machined, different spring chucks are respectively adopted to hold the central shaft of the compressor disk tightly, the conical surface of the compressor disk and the end surface of one side of the central shaft are simultaneously pressed during clamping, a hoisting point is located at one end with a large outer diameter of the conical surface of the compressor disk, and the axis of the compressor disk during hoisting is perpendicular to the vertical direction. The invention ensures the reliability of the installation and hoisting process, and avoids the collision and scratch to the parts in the transfer process, thereby avoiding the occurrence of quality and safety accidents.
Description
Technical Field
The invention belongs to the technical field of manufacturing of aero-engines, and particularly relates to design and application of a hoisting tool in the machining process of an engine compressor disk.
Background
In the production and manufacturing process of the aircraft engine compressor rotor disk, parts are required to be installed on a clamp for processing, at the moment, because the parts are heavy and the surfaces of the parts are smooth, efficient and safe lifting operation is difficult to be carried out on the parts through manpower or an existing lifting device, the production efficiency is low, quality accidents are easy to generate, and great potential safety hazards exist.
Disclosure of Invention
The invention aims to provide a hoisting method and a hoisting tool for machining a compressor disk, aiming at solving the problems of low hoisting efficiency, easy quality accidents and safety accidents and the like in the production and machining processes of the existing compressor disk, solving the hoisting and installation of parts with external conical surfaces and central shafts, ensuring the reliability of the installation and hoisting processes, and avoiding collision and scratch to the parts in the transfer process, thereby avoiding the quality and safety accidents.
The invention is realized by the following technical scheme:
a method for hoisting a compressor disk comprises the steps of clamping and hoisting the compressor disk, wherein during clamping, a spring chuck is adopted to clamp a central shaft of the compressor disk and simultaneously press a conical surface of the compressor disk and an end surface on one side of the central shaft; during hoisting, the hoisting point is positioned at one end with larger outer diameter of the conical surface of the compressor disk, and the axis of the compressor disk is vertical to the vertical direction.
Preferably, the spring chuck comprises two spring chucks before and after machining, and the inner hole diameters of the two spring chucks are different.
A lifting appliance for machining a compressor disk comprises,
the bearing plate is provided with a positioning hole and a guide hole, the positioning hole is parallel to the axis direction of the guide hole, and the upper end face of the bearing plate is provided with a first threaded hole;
the outer surface of the bushing is in clearance fit with the positioning hole in the bearing plate, the bushing is provided with an inner hole, the tail end of the inner hole is a taper hole, a section of thread is arranged outside the taper hole and on the surface of the bushing, and the thread is coaxial with the taper hole;
the pressing block is detachably connected in the guide hole of the bearing plate, and the surface of the pressing block is provided with a working surface matched with the conical surface of the part and a second threaded hole;
the lifting ring is connected with the first threaded hole;
the inner hole of the first spring chuck is used for tightly holding the surface of a central shaft of the compressor disk before machining, the first spring chuck is detachably connected in the inner hole of the bushing, and one end of the surface of the first spring chuck is provided with a conical surface;
the inner hole of the second spring chuck is used for tightly holding the surface of the processed central shaft of the compressor disc, the second spring chuck is detachably connected in the inner hole of the bushing, and one end of the surface of the second spring chuck is provided with a conical surface;
the first nut is in threaded connection with the surface of the bushing, and the hole diameter of an inner hole of the first nut is smaller than the outer diameters of the ends, with the conical surfaces, of the first spring chuck and the second spring chuck;
the bolt is arranged in a second threaded hole of the pressing block, and the bearing plate is pressed on the end face of the compressor disc through matching with the washer and the second nut.
Preferably, the support plate has a pin hole penetrating the first threaded hole, the suspension ring has a through hole, and a pin is inserted into the pin hole and the through hole.
Preferably, the outer circumferential surface of the first nut is provided with a through groove, and the through groove is along the axial direction of the first nut.
Preferably, a pair of screw holes are formed in the surface of one end, far away from the taper hole, of the bushing, and the screw holes are communicated with an inner hole of the bushing; notches are formed in the surfaces of one ends, far away from the conical surface, of the first spring clamping head and the second spring clamping head. When the first spring chuck or the second spring chuck is installed in the inner hole of the bushing, the screw is simultaneously inserted into the screw hole and the notch, and the effect of fixing the bushing and the first spring chuck or the second spring chuck is achieved.
Preferably, the end faces of the conical surfaces of the first spring chuck and the second spring chuck are provided with screw holes, and screws are inserted into the screw holes, so that the spring chucks can be conveniently rotated and axially pulled out and pushed in.
A method for hoisting a compressor disk by using the hoist of claim, comprising,
before the compressor disc is machined, a first spring chuck is installed in an inner hole of a bushing, a central shaft of the compressor disc is installed in the inner hole of the first spring chuck through the cooperation of a hole shaft, then a support plate is installed on the bushing through a positioning hole, the bottom surface M of the support plate is ensured to be tightly attached to the end surface of the compressor disc, a first nut is assembled on threads on the surface of the bushing, the first nut is screwed until the first spring chuck embraces the central shaft of the compressor disc tightly, a pressing block is installed in a guide hole in the support plate, a stud is screwed in, a gasket is assembled, a second nut is adjusted to enable the working surface of the pressing block to compact the conical surface of the compressor disc, and finally a hoisting ring is inserted to hoist the compressor disc;
and after the compressor disk is machined, replacing the first spring chuck with a second spring chuck in the process, and repeating the operation process to finish the hoisting of the compressor disk after machining.
Compared with the existing hoisting method and the existing hoisting tool, the invention provides two sets of spring chucks capable of contracting along the radial direction, and the umbrella-shaped parts with the central shafts are protected before and after being processed and are tightly hung, so that the technical problem that the parts are difficult to hoist is effectively solved, the installation and hoisting are convenient, the efficiency is high, quality accidents and potential safety hazards can be greatly eliminated, and the popularization and use values are very high.
Drawings
Fig. 1 is a schematic view of a compressor disk being machined before and after machining;
FIG. 2 is a spreader working view;
FIG. 3 is a block diagram of a support plate;
FIG. 4 is a front view of the bushing;
FIG. 5 is a front view of the first collet chuck;
FIG. 6 is a front view of the second collet chuck;
in the figure, 1-bearing plate, 2-bush, 3-pressing block, 4-lifting ring, 5-spanner, 6-nut, 7-first spring clamping head, 8-second spring clamping head, 9-first screw, 10-second screw, 11-pin, 12-washer and 13-nut.
Detailed Description
The technical solution of the present invention is further explained with reference to the drawings and the specific embodiments.
As shown in fig. 1, the left side is a schematic diagram before the compressor disk is machined, and the right side is a schematic diagram after the compressor disk is machined.
As shown in fig. 2, the lifting appliance used in the machining process of the compressor disk comprises a supporting plate 1, a bushing 2, a pressing block 3, a lifting ring 4, a wrench 5, a first nut 6, a first collet chuck 7, a second collet chuck 8, a first screw 9, a second screw 10, a pin 11, a washer 12 and a second nut 13, and functions of the components are as follows.
The bearing plate 1 is provided with a positioning hole J and can be in clearance fit with the bush 2; the upper end is equipped with square guiding hole, can realize briquetting 3 axial adjustment guide, and the top is connected with rings 4 through the screw hole, realizes lifting by crane equipment and is connected with the hoist and lifts by crane.
And the bushing 2 is provided with a taper hole Q which is matched with the first spring chuck 7 or the second spring chuck 8, and the first spring chuck 7 or the second spring chuck 8 is contracted along the radial direction under the action of the nut 6. And a screw hole vertical to the axis of the bush 2 is formed at one end of the bush 2 far away from the taper hole Q.
And the pressing block 3 comprises a working surface which is matched with and pressed against the conical surface of the compressor disk, the working surface acts on the conical surface of the compressor disk, and the other end fixes the support plate 1 on the end face of the compressor disk under the action of the gasket 12, the stud and the second nut 13.
And the hoisting ring 4 is used for being connected with hoisting equipment during hoisting.
A wrench 5 for tightening the first nut 6, as shown in fig. 2, wherein a protrusion at the end of the wrench 5 can be caught in the axial through groove of the outer surface of the first nut.
The first nut 6 is limited by the end face of the first spring chuck 7 or the end face of the second spring chuck 8 through the inner end face, the bushing 2 moves along the shaft under the action of threads, and the bearing plate 1 is prevented from moving in an axial direction to cause danger.
The first spring chuck 7 is used for protecting and tightly holding a central shaft of the compressor disk before machining, a notch is formed in the outer surface of the end, with the smaller outer diameter, of the first spring chuck 7 and is used for being matched with a second screw 10, and a screw hole is formed in the end face of the end, with the larger outer diameter, of the first spring chuck 7 and is used for being matched with a first screw 9.
The second collet chuck 8 is used for tightly holding the central shaft of the compressor disk after processing and preventing the central shaft from being collided and scratched, a notch is formed in the surface of the end with the smaller outer diameter of the second collet chuck 8 and used for being matched with a second screw 10, and a screw hole is formed in the end face of the end with the larger outer diameter of the second collet chuck 8 and used for being matched with a first screw 9.
The first screw 9 is mainly used for conveniently rotating the spring chuck when the first spring chuck 7 or the second spring chuck 8 is assembled, so that a notch formed in the tail part of the small end of the spring chuck can clamp the second screw 10; when the collet chuck is disassembled, the collet chuck can be conveniently taken out along the axial direction. The working state needs to detach and place the first screw 9 at one side from the spring clamp head, and the first screw 9 is only used when the first spring clamp head 7 or the second spring clamp head 8 is detached and installed.
The second screw 10 is mainly anti-rotation. When the first nut 6 is tightened, in order to prevent the bush 2 from rotating under the action of the tightening force, the second screw 10 is specially designed, the tail part of the second screw 10 is positioned in the notches at the tail parts of the small ends of the first spring chuck 7 and the second spring chuck 8, and the first nut 6 and the bush 2 cannot rotate together due to the excessive tightening force under the obstruction of the first spring chuck 7 or the second spring chuck 8, so that the purposes of tightening the first nut 6, pressing the spring chucks into the bush 2 and further holding the central shaft tightly are achieved.
In this embodiment, the hoisting of the compressor disk is divided into before machining and after machining. Before the compressor disk is processed, the compressor disk is hoisted: the method comprises the steps of firstly installing a first collet chuck 7 in an inner hole of a lining 2, then installing a center shaft of a compressor disc in the inner hole of the first collet chuck 7 through the cooperation of a through hole and a shaft, then installing a supporting plate 1 on the lining 2 through a positioning hole, ensuring that the bottom surface M of the supporting plate 1 is tightly attached to the end surface of the compressor disc, assembling a first nut 6 on threads on the surface of the lining 2, screwing the first nut 6 until the first collet chuck 7 tightly holds the center shaft of the compressor disc, installing a pressing block 3 in a guide hole in the supporting plate 1, screwing a stud, assembling a washer 12 and adjusting a second nut 13 to enable the working surface of the pressing block 3 to compact the conical surface of the compressor disc, and finally inserting a hanging ring 4 to lift the compressor disc.
After the machining of the compressor disk is finished, when the compressor disk is disassembled and lifted away from machining equipment, only the first spring chuck 7 needs to be replaced by the second spring chuck 8, and the operation is repeated.
The above is one of the embodiments of the present invention, and a person skilled in the art can make various changes on the basis of the above embodiments to achieve the object of the present invention, but such changes should obviously be within the scope of the claims of the present invention.
Claims (6)
1. The utility model provides a hoist is used in processing of compressor dish which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the bearing plate (1) is provided with a positioning hole and a guide hole, the positioning hole is parallel to the axis direction of the guide hole, and the upper end face of the bearing plate (1) is provided with a first threaded hole;
the outer surface of the bushing (2) is in clearance fit with the positioning hole in the bearing plate (1), the bushing (2) is provided with an inner hole, the tail end of the inner hole is a taper hole, a section of thread is arranged outside the taper hole and on the surface of the bushing (2), and the thread is coaxial with the taper hole;
the pressing block (3) is detachably connected in a guide hole of the bearing plate (1), and the surface of the pressing block (3) is provided with a working surface matched with the conical surface of the part and a second threaded hole;
the lifting ring (4), the lifting ring (4) is connected with the first threaded hole;
the inner hole of the first spring chuck (7) is used for holding the surface of a central shaft of a compressor disk before machining, the first spring chuck (7) is detachably connected in the inner hole of the bushing (2), and one end of the surface of the first spring chuck (7) is provided with a conical surface;
the inner hole of the second spring chuck (8) is used for tightly holding the surface of the central shaft of the processed compressor disk, the second spring chuck (8) is detachably connected in the inner hole of the bushing (2), and one end of the surface of the second spring chuck (8) is provided with a conical surface;
the first nut (6) is in threaded connection with the surface of the bushing (2), and the inner hole diameter of the first nut (6) is smaller than the outer diameters of the ends, with conical surfaces, of the first spring chuck (7) and the second spring chuck (8);
the bolt is arranged in a second threaded hole of the pressing block (3), and the bearing plate (1) is pressed on the end face of the compressor disk through matching with the washer (12) and the second nut (13).
2. The lifting appliance for machining a compressor disk according to claim 1, wherein: the bearing plate (1) is provided with a pin hole penetrating through the first threaded hole, the hanging ring (4) is provided with a through hole, and a pin (11) is inserted into the pin hole and the through hole.
3. The lifting appliance for machining a compressor disk according to claim 1, wherein: the outer circumferential surface of the first nut (6) is provided with a through groove, and the through groove is in the axial direction of the first nut (6).
4. The lifting appliance for machining a compressor disk according to claim 1, wherein:
a pair of screw holes are formed in the surface of one end, far away from the taper hole, of the bushing (2), and the screw holes are communicated with an inner hole of the bushing (2);
notches are formed in the end surfaces, far away from the conical surface, of the first spring chuck (7) and the second spring chuck (8).
5. The lifting appliance for machining a compressor disk according to claim 1, wherein: and screw holes are formed in the end faces of the conical surfaces of the first spring chuck (7) and the second spring chuck (8).
6. A method for hoisting a compressor disk by using the sling according to claim 1, wherein the method comprises the following steps: comprises the steps of (a) preparing a substrate,
before a compressor disc is machined, a first spring chuck (7) is installed in an inner hole of a lining (2), a central shaft of the compressor disc is installed in the inner hole of the first spring chuck (7) through the cooperation of a through hole shaft, then a support plate (1) is installed on the lining (2) through a positioning hole, the bottom surface M of the support plate (1) is enabled to be tightly attached to the end surface of the compressor disc, a first nut (6) is assembled on a thread on the surface of the lining (2), the first nut (6) is screwed until the first spring chuck (7) holds the central shaft of the compressor disc tightly, a pressing block (3) is installed in a guide hole in the support plate (1), a stud is screwed in, a gasket (12) is assembled, a second nut (13) is adjusted to enable the working surface of the pressing block (3) to be compacted on the conical surface of the compressor disc, and finally a hanging ring (4) is inserted to hoist the compressor disc;
and after the compressor disk is machined, replacing the first spring chuck (7) with a second spring chuck (8) in the process, repeating the operation process, and completing the hoisting after the compressor disk is machined.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010961086.XA CN111994779B (en) | 2020-09-14 | 2020-09-14 | Hoisting method of compressor disk and hoisting tool for machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010961086.XA CN111994779B (en) | 2020-09-14 | 2020-09-14 | Hoisting method of compressor disk and hoisting tool for machining |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111994779A CN111994779A (en) | 2020-11-27 |
| CN111994779B true CN111994779B (en) | 2022-09-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010961086.XA Active CN111994779B (en) | 2020-09-14 | 2020-09-14 | Hoisting method of compressor disk and hoisting tool for machining |
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| CN (1) | CN111994779B (en) |
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| CN111994779A (en) | 2020-11-27 |
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