CN111154958B - Water bucket quenching positioning fixture of aero-engine experimental pulley and welding process - Google Patents
Water bucket quenching positioning fixture of aero-engine experimental pulley and welding process Download PDFInfo
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- CN111154958B CN111154958B CN202010215440.4A CN202010215440A CN111154958B CN 111154958 B CN111154958 B CN 111154958B CN 202010215440 A CN202010215440 A CN 202010215440A CN 111154958 B CN111154958 B CN 111154958B
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- scoop
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- support frame
- bucket
- positioning
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/62—Quenching devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/003—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to controlling of welding distortion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0006—Details, accessories not peculiar to any of the following furnaces
- C21D9/0025—Supports; Baskets; Containers; Covers
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/50—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for welded joints
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chain Conveyers (AREA)
Abstract
The utility model provides a water scoop quenching positioning fixture of aeroengine experiment coaster, including welding scoop intake end location support frame (81), a pair of scoop drainage end location support frame (82) and a pair of drainage pipe location support frame (83) on underframe (80) in proper order, scoop intake end location support frame (81) top is equipped with scoop base fixed plate (84), scoop base fixed plate (84) are intake on end location support frame (81) through a set of screw rod rigid coupling at the scoop, be equipped with scoop drainage end locking plate (86) on a pair of scoop drainage end location support frame (82) respectively, be equipped with pipe clamp plate (87) on a pair of scoop location support frame (83) respectively. The invention has the advantages that: the scoop is fixed by the clamp and then quenched, so that the strength and the precision of the scoop are improved, and the scoop is prevented from deforming.
Description
Technical Field
The invention relates to the technical field of aero-engine experiments, in particular to a water bucket quenching positioning fixture of an aero-engine experiment tackle.
Background
At present, 820 rocket tackle is an overlength tackle which is designed for testing an aeroengine and has the length of 24m, the width of 3.8m and the height of 0.5m, the tackle comprises a tackle body and a deceleration water bucket which is arranged at the rear end of the tackle body, the water bucket is used as a high-speed motion brake device, the working principle of the tackle is to smoothly transmit the kinetic energy of a high-speed motion object to a delicate liquid substance, the liquid substance is usually low in cost water, when the liquid passes through the bucket, the liquid plays a role of stopping and braking through the resistance of the liquid, the water bucket enters a water tank when the water bucket moves at high speed, when the highest Mach 3 speed, the drag of nearly 20T is required to be borne for braking, thus the stress strength of the water bucket is required to bear huge pressure, the water bucket is required to stably pass through due to the structural limitation, the water bucket is required to be designed to be a complex hyperboloid structure, and in order to ensure a complex hyperboloid structure, the design can only select the plate with the thickness of 3-5mm for welding, and in order to improve the strength of the plate, quenching treatment is needed after the welding is finished.
Disclosure of Invention
The invention aims to provide a water bucket quenching positioning clamp of an experimental tackle of an aero-engine aiming at the process requirements.
The invention comprises a scoop water inlet end positioning support frame, a pair of scoop water discharging end positioning support frames and a pair of drainage pipe positioning support frames which are sequentially welded on a bottom frame, wherein a scoop base fixing plate is arranged at the top of the scoop water inlet end positioning support frame and is fixedly connected on the scoop water inlet end positioning support frame through a group of screws, scoop water discharging end locking plates are respectively arranged on the pair of scoop water discharging end positioning support frames, and pipeline clamping plates are respectively arranged on the pair of drainage pipe positioning support frames.
The scoop inlet end positioning support frame comprises positioning upright columns on two sides and two groups of inclined support plates positioned in the positioning upright columns on the two sides, and the two groups of inclined support plates are welded in the positioning upright columns on the two sides in a V shape.
The locking plate at the drainage end of the scoop is provided with a group of locking and positioning holes at the drainage end of the scoop.
The pipeline clamping plate comprises a fixed supporting plate and a movable supporting plate, the fixed supporting plate is welded on the drainage pipeline positioning supporting frame, and the movable supporting plate is movably connected with the fixed supporting plate through a pair of screw rods.
The invention has the advantages that: the scoop is fixed by the clamp and then quenched, so that the strength and the precision of the scoop are improved, and the scoop is prevented from deforming.
Drawings
FIG. 1 is a schematic view of a rocket sled structure.
Fig. 2 is a schematic view of a speed-reducing bucket mounting arrangement.
Fig. 3 is a partially enlarged view of a portion a of fig. 1.
Fig. 4 is a partially enlarged structural view of the part B of fig. 1.
Fig. 5 is a schematic view of a deceleration scoop configuration.
Fig. 6 is a structural schematic diagram of a pipeline assembly welding tool.
Fig. 7 is a structural schematic diagram of a use state of the pipeline assembly welding tool.
Fig. 8 is a schematic structural view of a bucket assembly welding tool.
Fig. 9 is a structural schematic diagram of a bucket assembly welding tool in a use state.
Fig. 10 is a schematic view of a bucket quenching positioning fixture.
Fig. 11 is a structural diagram of a bucket quenching positioning clamp in a use state.
FIG. 12 is a schematic view of the test piece mounting base of the present invention.
FIG. 13 is a schematic view of the track slider structure of the present invention.
Fig. 14 is a schematic view of the slider mount of the present invention.
Detailed Description
As shown in the attached drawings, aluminum alloy skins, aluminum silicate fiber heat-insulating boards and heat-resistant stainless steel plates are hidden in fig. 2, fig. 3 and fig. 4, the aluminum alloy heat-insulating boards comprise a car body formed by welding a front section car frame 1 and a rear section car frame 2 and a speed-reducing water bucket 3 installed at the bottom of the tail end of the rear section car frame 2, the whole length of the car body is 24m, the width of the car body is 3.8m, and the height of the car body is 0.5m, the front section car frame 1 and the rear section car frame 2 are both an upper layer and a lower layer, the upper layer and the lower layer of the car frame are formed by welding a plurality of long longitudinal beams 4 and a plurality of short transverse beams 5, and;
a Mi-shaped counterweight frame 6 is welded in the rear section frame 2 above the speed reduction bucket 3, a plurality of groups of detachable triangular counterweights 7 are arranged in the Mi-shaped counterweight frame 6, counterweight splicing screws are arranged in the Mi-shaped counterweight frame 6, screw rod through holes are formed in the triangular counterweights 7, and the triangular counterweights 7 are spliced on the counterweight splicing screws and locked through nuts; the test piece mounting seats 16 are welded at the tops of the front section frame 1 and the rear section frame 2, the plurality of slide block mounting seats 18 are welded at the bottoms of the front section frame 1 and the rear section frame 2, rail slide blocks 19 are arranged on the slide block mounting seats 18, slide grooves matched with rails are formed in the rail slide blocks 19, replaceable cushion blocks 20 matched with the rails are arranged in the slide grooves, cushion block mounting grooves are formed in the slide grooves, screw locking holes are formed in the grooves, the replaceable cushion blocks 20 are placed in the grooves and locked through screws, and only the worn cushion blocks 20 need to be replaced in the using process;
an aluminum alloy skin is riveted on the vehicle body except the Chinese character mi-shaped counterweight frame 6 and used for reducing wind resistance, an aluminum silicate fiber heat-insulating plate is laid on the upper part of the rear section vehicle frame 2, and a heat-resistant stainless steel plate is laid on the aluminum silicate fiber heat-insulating plate to prevent the influence of high-temperature air flow of an engine on the strength of the vehicle body;
the speed-reducing bucket 3 comprises a middle partition plate 30 and a pair of drainage pipelines 31 symmetrically welded on two sides of the middle partition plate 30, a connecting base 32 is welded on the top of the middle partition plate 30, each drainage pipeline 31 is of a hyperboloid structure with a triangular drainage end and a quadrilateral drainage end, the upper partition plate 35 positioned at the water inlet end is welded with an upper partition plate 40, the front plate 37 positioned at the water inlet end is welded with a side plate 41, the front end of the middle partition plate 30 is welded with a sharp plate 42 respectively connected with the upper partition plate 40 and the side plate 41 on two sides, the drainage pipeline 31 close to the drainage end is welded with a bucket connecting plate 44, and the bottom of the rear section frame 2 is respectively welded with a base fixing seat 45 corresponding to the connecting base 32 and a bucket mounting bracket 46 corresponding to the bucket connecting plate 44.
A water bucket quenching positioning fixture welding process of an experimental tackle of an aero-engine comprises the following steps:
vehicle body welding process
Firstly, sequentially carrying out positioning assembly welding on an upper layer long longitudinal beam 4 and a lower layer long longitudinal beam 4 of a front section frame 1 and a rear section frame 2 on a vehicle body welding platform, before carrying out assembly welding on the upper layer long longitudinal beam 4 and the lower layer long longitudinal beam 4, carrying out assembly welding on the vehicle body by adopting an F150 square steel pipe and a 130 high rolled compression piece, carrying out reverse pre-deformation treatment on the vehicle body welding platform, namely placing a cushion block on the vehicle body welding platform, placing the long longitudinal beams 4 on the cushion block and pressing the long longitudinal beams by a pressing plate, and symmetrically welding to prevent deformation;
respectively assembling and welding an upper layer frame and a lower layer frame of the front section frame 1 and the rear section frame 2;
processing an upper plane and a lower plane of the front section frame 1 and the rear section frame 2, namely welding auxiliary backing plates 50 on the front section frame 1 and the rear section frame 2 at the welding part of the test piece mounting seat 16 and the slide block mounting seat 18, wherein the auxiliary backing plates 50 are provided with a plurality of welding seams welded with the vehicle body, then milling the height of each auxiliary backing plate 50 according to the actual height of the vehicle body, wherein the planeness and the parallelism of the processed auxiliary backing plates 50 are within 0.3mm, and the test piece mounting seat 16 and the slide block mounting seat 18 are sequentially welded on the corresponding auxiliary backing plates 50;
welding sides of the test piece mounting seat 16 and the slider mounting seat 18 are respectively provided with a cross splicing groove, the cross splicing grooves are inserted on the frame, welding seams are respectively arranged on the bottom and the side wall of each cross splicing groove, the welding seam on the bottom of each cross splicing groove is welded with the auxiliary backing plate 50, the welding seam on the side wall of each cross splicing groove is welded with the frame, and the welding area is increased;
the test piece mounting seat 16, the slider mounting seat 18 and the track slider 19 are all formed by cutting, milling and heat treatment;
assembling and butting the front section frame 1 and the rear section frame 2 on a rail, inserting the rail sliding block 19 on the rail, inserting a gasket into a gap between the rail sliding block 19 and the rail, assembling the rail sliding block 19 and the sliding block mounting seat 18 through a pin shaft, welding the front section frame 1 and the rear section frame 2, staggering welding seams of the long longitudinal beams 4 at the butt joint, and inserting an assembly welding connecting pipe into the long longitudinal beam 4 at the welding position;
seventhly, carrying out coloring and penetrating detection on each welding plane;
eighthly, after the final assembly is finished, welding a skin framework on the frame, and riveting an aluminum alloy skin on the framework;
ninthly, paving an aluminum silicate fiber heat-insulating plate and a heat-resistant stainless steel plate on an aluminum alloy skin of the rear-section frame 2 in sequence;
welding process for speed-reducing bucket
Firstly, welding the drainage pipeline 31 through a pipeline assembly welding tool, and respectively spot-welding a positioning support plate 55 which is used for connecting the upper plate 35, the lower plate 36, the front plate 37 and the rear plate 38 in the water inlet end and the water outlet end of the drainage pipeline 31;
secondly, the speed reduction bucket 3 is positioned, assembled and welded through a bucket assembling and welding tool;
thirdly, the speed reduction bucket 3 is fixed by a bucket assembly welding tool to carry out annealing treatment in an annealing furnace;
clamping a speed reduction water bucket 3 through a bucket heat treatment tool to carry out quenching heat treatment in a quenching furnace;
fifthly, grinding and cutting off the positioning support plates in the water inlet end and the water outlet end of the drainage pipeline 31.
Sixthly, carrying out coloring penetration detection on each welding plane.
Pipeline assembly welding frock is including the pipeline intake end locking plate 61 of rigid coupling on positioning bottom plate 60 in proper order, pipeline middle part locking plate 62 and pipeline drainage end locking plate 63, it has the imitative type welding bead groove 65 that corresponds with the inboard side of upper plate 35 to open on positioning bottom plate 60, pipeline intake end locking plate 61, be equipped with a set of compression screw respectively on pipeline middle part locking plate 62 and the pipeline drainage end locking plate 63, upper plate 35 tiles on positioning bottom plate 60, upper plate 35 inboard aligns with imitative type welding bead groove 65, hypoplastron 36, front bezel 37 and back plate 38 are assembled in proper order on upper plate 35, both ends are fixed a position through location support plate 55, intake end locking plate 61 is said, pipeline middle part locking plate 62 and pipeline drainage end locking plate 63 press from the top down in proper order and press from the pipeline tightly.
The bucket assembly welding tool comprises a bucket bottom plate positioning plate 71 and a pair of bucket drainage end positioning plates 73 which are sequentially and fixedly connected to the welding bottom frame 70, wherein a group of screw locking holes corresponding to the connecting base 32 are formed in the top of the bucket bottom plate positioning plate 71, a bucket water inlet end positioning plate 72 is arranged at the top of the front end of the bucket bottom plate positioning plate 71, screw locking holes corresponding to the water inlet end positioning support plates 55 are formed in the bucket water inlet end positioning plate 72, the pair of bucket drainage end positioning plates 73 are symmetrically positioned on two sides of the bucket bottom plate positioning plate 71, and screw locking holes corresponding to the drainage end positioning support plates 55 and screw locking holes corresponding to the bucket connecting plates 44 are respectively formed in the bucket drainage end positioning plates 73; the connecting base 32 is fixed on the bucket bottom plate positioning plate 71 through a screw, and the drainage pipes 31 and the bucket connecting plates 44 on both sides are respectively symmetrically placed on the bucket water inlet end positioning plate 72 and the pair of bucket water outlet end positioning plates 73, are respectively fixed through screws, and are then welded in sequence.
The quenching positioning fixture comprises a scoop water inlet end positioning support frame 81, a pair of scoop water discharging end positioning support frames 82 and a pair of drainage pipe positioning support frames 83 which are sequentially welded on the bottom frame 80, a scoop base fixing plate 84 is arranged at the top of the scoop water inlet end positioning support frame 81, the scoop base fixing plate 84 is fixedly connected on the scoop water inlet end positioning support frame 81 through a group of screws, scoop water discharging end locking plates 86 are respectively arranged on the pair of scoop water discharging end positioning support frames 82, and pipeline clamping plates 87 are respectively arranged on the pair of drainage pipe positioning support frames 83.
The bucket water inlet end positioning support frame 81 comprises positioning upright columns 100 on two sides and two groups of inclined support plates 101 positioned in the positioning upright columns 100 on the two sides, wherein the two groups of inclined support plates 101 are welded in the positioning upright columns 100 on the two sides in a V shape.
A set of scoop drain locking positioning holes are provided in the scoop drain locking plate 86.
The pipe clamping plate 87 comprises a fixed support plate 110 and a movable support plate 111, the fixed support plate 110 is welded on the drainage pipe positioning support frame 83, and the movable support plate 111 is movably connected with the fixed support plate 110 through a pair of screws.
The water inlet end of the speed reduction water bucket 3 is placed in the V-shaped bucket water inlet end positioning support frame 81 and is pressed by the bucket base fixing plate 84, the two water discharge ends of the speed reduction water bucket 3 are positioned by the bucket water discharge end locking plate 86 and are fixed by the screw and the water discharge end positioning support plate 55 in a threaded manner, and the two water discharge pipes 31 of the bucket are respectively fixed by the pipe clamping plate 87 in a clamped manner.
Claims (4)
1. The utility model provides a water scoop quenching positioning fixture of aeroengine experiment coaster, a serial communication port, anchor clamps are including welding scoop intake end location support frame (81), a pair of scoop drainage end location support frame (82) and a pair of drainage pipe location support frame (83) on underframe (80) in proper order, scoop intake end location support frame (81) top is equipped with scoop base fixed plate (84), scoop base fixed plate (84) are through a set of screw rod rigid coupling on scoop intake end location support frame (81), be equipped with scoop drainage end locking plate (86) on a pair of scoop drainage end location support frame (82) respectively, be equipped with pipe clamp plate (87) on a pair of drainage pipe location support frame (83) respectively.
2. The water bucket quenching positioning fixture of an aircraft engine experimental pulley as claimed in claim 1, wherein the bucket water inlet end positioning support frame (81) comprises two positioning columns (100) at two sides and two groups of inclined support plates (101) positioned in the positioning columns (100) at two sides, and the two groups of inclined support plates (101) are welded in the positioning columns (100) at two sides in a V shape.
3. The bucket quenching positioning fixture of an experimental tackle for an aircraft engine as claimed in claim 1, wherein the bucket water discharge end locking plate (86) is provided with a set of bucket water discharge end locking positioning holes.
4. The bucket quenching positioning fixture of the experimental coaster of the aero-engine as claimed in claim 1, wherein the pipe clamping plate (87) comprises a fixed support plate (110) and a movable support plate (111), the fixed support plate (110) is welded on the drainage pipe positioning support frame (83), and the movable support plate (111) is movably connected with the fixed support plate (110) through a pair of screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010215440.4A CN111154958B (en) | 2020-03-25 | 2020-03-25 | Water bucket quenching positioning fixture of aero-engine experimental pulley and welding process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010215440.4A CN111154958B (en) | 2020-03-25 | 2020-03-25 | Water bucket quenching positioning fixture of aero-engine experimental pulley and welding process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111154958A CN111154958A (en) | 2020-05-15 |
| CN111154958B true CN111154958B (en) | 2021-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010215440.4A Active CN111154958B (en) | 2020-03-25 | 2020-03-25 | Water bucket quenching positioning fixture of aero-engine experimental pulley and welding process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111154958B (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1103042C (en) * | 1996-01-22 | 2003-03-12 | 乔斯·佩纳尔弗·加西亚 | Feeding system for vertical ovens used to dry lids for tins |
| JP2005133194A (en) * | 2003-10-06 | 2005-05-26 | Kikuchi Co Ltd | Clamp device for heat-treated article |
| CA2664912C (en) * | 2006-10-03 | 2016-07-26 | Gary M. Cola, Jr. | Microtreatment of iron-based alloy, apparatus and method therefor, and articles resulting therefrom |
| CN203904399U (en) * | 2014-03-20 | 2014-10-29 | 大连华夏中科电气有限公司 | Fixture system for sucker rod quench machining tool |
| CN205313634U (en) * | 2016-01-28 | 2016-06-15 | 马鞍山华东回转支承有限公司 | Slewing bearing quenches and uses horizontal frock clamp |
| CN205473890U (en) * | 2016-03-14 | 2016-08-17 | 山推工程机械股份有限公司 | Work piece quenching fixture |
| FR3065438A1 (en) * | 2017-04-25 | 2018-10-26 | Airbus Operations | MULTIPOSITION AIR INTAKE SYSTEM FOR AN AIRCRAFT |
| CN110607431B (en) * | 2019-11-06 | 2024-04-12 | 恒进感应科技（十堰）股份有限公司 | Automatic line equipment for quenching and tempering hub bearings |
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2020
- 2020-03-25 CN CN202010215440.4A patent/CN111154958B/en active Active
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| CN111154958A (en) | 2020-05-15 |
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