CN104859867B - Wide-range variable thrust two-generator parallel pump-fed type engine frame and preparation method thereof - Google Patents
Wide-range variable thrust two-generator parallel pump-fed type engine frame and preparation method thereof Download PDFInfo
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- CN104859867B CN104859867B CN201410789577.5A CN201410789577A CN104859867B CN 104859867 B CN104859867 B CN 104859867B CN 201410789577 A CN201410789577 A CN 201410789577A CN 104859867 B CN104859867 B CN 104859867B
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Abstract
The invention relates to a wide-range variable thrust two-generator parallel pump-fed type engine frame and a preparation method thereof. The wide-range variable thrust two-generator parallel pump-fed type engine frame comprises a portal-type frame body with symmetric openings, and bearing rods respectively arranged at the lower ends of four end corners of the frame body; a butted lug is arranged at the end of each bearing rod; an inclined supporting rod is arranged between each bearing rod and the frame body; each bearing rod, the frame body and the corresponding inclined supporting rod jointly form a triangular supporting structure; supporting rods are respectively arranged between the bearing rods on the left side of the frame body and between the bearing rods on the right side of the frame body; turbine pump mounting supporting seats for mounting of engine turbine pumps are symmetrically arranged at the upper end of the front part of the frame body; adjuster mounting supporting seats for mounting of adjusters and main valves are symmetrically arranged at the upper end of the rear part of the frame body. The wide-range variable thrust two-generator parallel pump-fed type engine frame obtained according to the preparation method is light in structural weight, large in strength margin, and good in open performance.
Description
Technical field
The invention belongs to space industry, it is related to one kind change propulsive double parallel pump pressure type entablature and preparation on a large scale
Method, particularly rack construction, titanium alloy material bar, frame heat treatment after welding protection and regulation welding sequence, welding goes
Stress prevents the rack construction design deforming and production technology.
Background technology
Certain type near space unmanned surveillance plane cruise propulsion system active force is liquid-propellant rocket engine, due to space chi
Very little and architecture quality limits, and needs design a kind of open functional, axial dimension is short, the light frame of architecture quality.At present I
State's turbopump-fed liquid rocket engine frame mostly is rod-type frame, and opening character is good but axial dimension is larger, and due to thrust chamber peace
Holding position limits, and leads to electromotor whole machine axial length excessive.
Content of the invention
In order to solve the technical problem in the presence of background technology, the present invention proposes one kind, and change propulsive two-shipper is simultaneously on a large scale
Connection pump pressure type engine-mounting construction and preparation method.Effectively realize that motor structure mass is light, axial length is short, radial ruler
The little grade of very little envelope scope requires.
The technical scheme is that one kind change propulsive double parallel pump pressure type entablature on a large scale, its special it
Place is: includes into the body frame of a shape symmetrical openings, being separately positioned on four bearing rods holding angle lower end of body frame；Above-mentioned every
Individual bearing rod termination is provided with docking auricle；It is additionally provided with oblique fulcrum bar between each bearing rod above-mentioned and body frame；Above-mentioned load
Bar, body frame, oblique fulcrum bar collectively form triangular support configurations；Also it is respectively provided between the bearing rod of the above-mentioned body frame left and right sides
There is support bar；Above-mentioned body frame nock is symmetrically arranged with the turbine pump erection support for installing engine turbine pump；On
State described body frame rear upper end and be symmetrically arranged with the actuator erection support for installing actuator and main valve；
Above-mentioned docking auricle surface is symmetrically arranged with two through holes；Above-mentioned through hole one is dowel hole, and another is even
Connecting bolt hole；
Above-mentioned body frame, bearing rod, support bar, turbine pump erection support, actuator erection support and docking auricle are
Titanium alloy material.
A kind of preparation method of the double parallel pump pressure type entablature of change propulsive on a large scale, it is characterized in that bag
Include following steps:
1] position
First body frame, docking auricle are being welded clamping position on positioning tool；To position again bearing rod, support bar,
Oblique fulcrum bar spot welding positions；
2] weld
Secondly bearing rod, support bar, oblique fulcrum bar are welded comprehensively；Need air-isolation anti-oxidation in welding process；
3] install
Again actuator erection support, turbine pump erection support spot welding are positioned, then welded comprehensively；
4] post processing
4.1 do not dismantle welding positioning tool after the completion of welding machine frame directly carries out annealing heat-treats；Annealing temperature is strict
Control in the range of 250 DEG C～270 DEG C, annealing time 2h；
4.2 do not dismantle welding positioning tool after frame annealing heat-treats directly carries out Ageing Treatment；Aging time 7
My god；
4.3 after frame Ageing Treatment, and installed surface and dowel hole, the link bolt hole of auricle is docked in polish, completes
Frame full scale production operation.
The invention has the advantage that
(1) frame of the present invention is all welded by titanium alloy material part, and docks form using bar, frame, has knot
The advantage that structure light weight, strength margin are big, open performance is good；
(2) engine pack distribution form based on frame for the present invention, frame is installed with thrust chamber body portion and is docked, and makes
Electromotor whole machine axial length is minimum；
(3) frame of the present invention rationally arranges production process and heat treatment condition, eliminates titanium alloy welding oxidation, welding becomes
The adverse effect of shape, welding machine frame dimensionally stable, positioning precision can meet use requirement.
Brief description
Fig. 1 is the frame outline drawing of the present invention；
Fig. 2 is the body mount structure schematic diagram of the present invention；
Fig. 3 is the bearing rod structural representation of the present invention；
Fig. 4 is the supporting bar structure schematic diagram of the present invention；
Fig. 5 is the oblique fulcrum bar structural representation of the present invention；
Fig. 6 is the wheel pump erection support structural representation of the present invention；
Fig. 7 is the actuator erection support structural representation of the present invention；
Wherein, 1- body frame, 2- bearing rod, 3- support bar, 4- oblique fulcrum bar, 5- actuator erection support, 6- turbine pump peace
Dress bearing, 7- docking auricle.
Specific embodiment
Referring to Fig. 1-7 one kind change propulsive double parallel pump pressure type entablature on a large scale, including becoming a shape symmetrical openings
Body frame 1, be separately positioned on the bearing rods 2 of body frame 1 four end angle lower end；Each bearing rod 2 termination is provided with to lug
Piece 7；It is additionally provided with oblique fulcrum bar 4 between each bearing rod 2 and body frame 1；Bearing rod 2, body frame 1, oblique fulcrum bar 4 collectively form three
Angle supporting construction；It is also respectively provided with support bar 2 between the bearing rod 2 of body frame 1 left and right sides；Body frame 1 nock pair
Claim to be provided with the turbine pump erection support 6 for installing engine turbine pump；Body frame 1 rear upper end is symmetrically arranged with for pacifying
Dress actuator and the actuator erection support 5 of main valve；Docking auricle 7 surface is symmetrically arranged with two through holes；Above-mentioned through hole one
For dowel hole, another is link bolt hole；Body frame 1, bearing rod 2, support bar 3, turbine pump erection support 5, actuator
Erection support 6 and docking auricle 7 are titanium alloy material.
A kind of preparation method of the double parallel pump pressure type entablature of change propulsive on a large scale, it is characterized in that bag
Include following steps:
1] position
First body frame, docking auricle are being welded clamping position on positioning tool；To position again bearing rod, support bar,
Oblique fulcrum bar spot welding positions；
2] weld
Secondly bearing rod, support bar, oblique fulcrum bar are welded comprehensively；Need air-isolation anti-oxidation in welding process；
3] install
Again actuator erection support, turbine pump erection support spot welding are positioned, then welded comprehensively；
4] post processing
4.1 do not dismantle welding positioning tool after the completion of welding machine frame directly carries out annealing heat-treats；Annealing temperature is strict
Control in the range of 250 DEG C～270 DEG C, annealing time 2h；
4.2 do not dismantle welding positioning tool after frame annealing heat-treats directly carries out Ageing Treatment；Aging time 7
My god；
4.3 after frame Ageing Treatment, and installed surface and dowel hole, the link bolt hole of auricle is docked in polish, completes
Frame full scale production operation.
The present invention is the open type Liquid Rocket Engine Bracket that full titanium alloy material part is welded, and pushes away for transmission
The thrust that power room produces, and the other assemblies of electromotor are installed based on this.The present invention is by becoming a body for shape symmetrical openings
Frame, it is separately positioned on the bearing rods of body frame four end angle lower end, each bearing rod termination described is provided with docking auricle, described
It is welded to connect by support bar between the bearing rod of body frame side；Described body frame nock is symmetrically arranged with for installing
The turbine pump erection support of engine turbine pump；Described body frame rear upper end is symmetrically arranged with for installing actuator and main valve
Actuator erection support.The present invention passes through reasonable setting production process and heat treatment condition, adopts and welding positioning tool one
The method acting heat treatment and Ageing Treatment after being welded, is eliminated welding deformation, is then machined by Milling Machining and fraising
Mounting plane and the polish of location hole, meet the positioning accuracy request of electromotor.Described welding positioning tool is according to frame
Need to design, be capable of the relative position of locating bodies frame and docking auricle, and disclosure satisfy that in heat treatment and Ageing Treatment positioning
Require.
The present invention thrust chamber mounting means is changed to from conventional head docking by the docking of body portion using frame scheme, make
Obtain electromotor whole machine axial length suitable with thrust chamber length, reduce electromotor whole machine axial length to greatest extent.
Referring to Fig. 1-7, each part of frame of the present invention is processed by titanium alloy material completely；Become the basis of door shape symmetrical openings
Body frame is the center of frame of the present invention, for docking thrust chamber body portion support plate, welding arrangement turbine pump erection support, actuator peace
Dress bearing, bearing rod and support bar；Bearing rod termination butt welding auricle, is disposed with a dowel hole and a connection thereon
Bolt hole, is docked with aircraft interface frame, mating frame for frame.
The welding of frame each part is strictly carried out in order: body frame, docking auricle clamping position on welding positioning tool；
Bearing rod, support bar, oblique fulcrum bar spot welding were welded after positioning comprehensively before this；It is adjusted device erection support, turbine pump peace again
The spot welding positioning of dress bearing and comprehensive welding.Welding process strict implement air-isolation is anti-oxidation to wait welding protection measure.
Operation after the completion of welding machine frame is in order: first carries out carrying frock annealing heat-treats, carries work after annealing heat-treats
Put into row Ageing Treatment, carry out again after Ageing Treatment docking auricle installed surface, location hole, the polish of butt hole, complete frame
Full scale production operation.
As shown in Fig. 2 after frame body frame forged titanium alloy blank, frame body frame base is processed using wire cutting mode,
Drawing size machining concrete structure is pressed on Digit Control Machine Tool again.Complete the processing of body frame parts.
As shown in figure 1, utility model frame is by body frame (1), bearing rod (2), support bar (3), oblique fulcrum bar (4), regulation
The assembling parts such as device erection support (5), turbine pump erection support (6), docking auricle (7) are welded.By body frame (1), right
The parts such as lug piece (7) clamping position on welding positioning tool, this process tool locating must be accurate, solid, to ensure machine
Physical dimension after frame welding；Second step positioning bearing rod (2), support bar (3), oblique fulcrum bar (4), spot welding after this process positioning, with
Ensure relative position, then welded in order comprehensively；3rd step positioning regulator erection support (5), turbine pump erection support
(6), this is crossed the spot welding of range request elder generation and ensures that relative position is fixed, then welds in order comprehensively.All welding process strict implements every
From air anti-oxidation grade welding protection measure.4th step is put into the frame related frock after the completion of welding in heat-treatment furnace and is carried out
Annealing, annealing temperature is strict controlled in the range of 250 DEG C～270 DEG C, annealing time 2h；5th step by anneal after frame
Related frock carries out Ageing Treatment, aging time 7 days；6th step is processed to lug to the frame semi-finished product after Ageing Treatment
The installed surface of piece (7) and docking, location hole, complete frame full scale production operation.Carry out physical dimension inspection after the completion of frame processing
Survey, the product after detection is qualified is transferred storehouse and preserved.
Claims (4)
1. one kind on a large scale change propulsive double parallel pump pressure type entablature it is characterised in that: include into a shape symmetrical openings
Body frame, be separately positioned on the bearing rods of body frame four end angle lower end；Each bearing rod termination is provided with docking auricle；Institute
State and be additionally provided with oblique fulcrum bar between each bearing rod and body frame；Described bearing rod, body frame, oblique fulcrum bar collectively form triangle and prop up
Support structure；It is also respectively provided with support bar between the bearing rod of the described body frame left and right sides；Described body frame nock pair
Claim to be provided with the turbine pump erection support for installing engine turbine pump；Described body frame rear upper end be symmetrically arranged with for
The actuator erection support of actuator and main valve is installed.
2. one kind according to claim 1 on a large scale change propulsive double parallel pump pressure type entablature it is characterised in that:
Described docking auricle surface is symmetrically arranged with two through holes；Described through hole one is dowel hole, and another is link bolt hole.
3. one kind according to claim 2 on a large scale change propulsive double parallel pump pressure type entablature it is characterised in that:
Described body frame, bearing rod, support bar, turbine pump erection support, actuator erection support and docking auricle are titanium alloy material
Material.
4. the preparation method based on a kind of double parallel pump pressure type entablature of change propulsive on a large scale described in claim 1,
It is characterized in that: comprise the following steps:
1] position
First body frame, docking auricle are being welded clamping position on positioning tool；Again by bearing rod, support bar, oblique fulcrum bar point
Weldering positioning；
2] weld
Secondly bearing rod, support bar, oblique fulcrum bar are welded comprehensively；Need air-isolation anti-oxidation in welding process；
3] install
Again actuator erection support, turbine pump erection support spot welding are positioned, then welded comprehensively；
4] post processing
4.1 do not dismantle welding positioning tool after the completion of welding machine frame directly carries out annealing heat-treats；Annealing temperature strictly controls
In the range of 250 DEG C～270 DEG C, annealing time 2h；
4.2 do not dismantle welding positioning tool after frame annealing heat-treats directly carries out Ageing Treatment；Aging time 7 days；
4.3 after frame Ageing Treatment, and installed surface and dowel hole, the link bolt hole of auricle is docked in polish, completes frame
Full scale production operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410789577.5A CN104859867B (en) | 2014-12-17 | 2014-12-17 | Wide-range variable thrust two-generator parallel pump-fed type engine frame and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410789577.5A CN104859867B (en) | 2014-12-17 | 2014-12-17 | Wide-range variable thrust two-generator parallel pump-fed type engine frame and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN104859867A CN104859867A (en) | 2015-08-26 |
| CN104859867B true CN104859867B (en) | 2017-02-01 |
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| CN201410789577.5A Active CN104859867B (en) | 2014-12-17 | 2014-12-17 | Wide-range variable thrust two-generator parallel pump-fed type engine frame and preparation method thereof |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110032199B (en) * | 2019-04-19 | 2022-02-25 | 北京航天自动控制研究所 | Pre-deflection angle linear compensation method and device for rocket engine frame deformation angle |
| CN110080908B (en) * | 2019-05-10 | 2020-11-24 | 蓝箭航天技术有限公司 | Assembling method of liquid rocket engine |
| CN111520254A (en) * | 2020-04-23 | 2020-08-11 | 北京深蓝航天科技有限公司 | Parallel structure of multiple engines of rocket |
| CN112943482B (en) * | 2021-01-26 | 2022-08-12 | 西安航天动力研究所 | Integral frame of liquid rocket engine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0997666A2 (en) * | 1998-10-30 | 2000-05-03 | Kubota Iron Works Co., Ltd. | Torque converter |
| CN101035974A (en) * | 2004-05-25 | 2007-09-12 | 杰里·伊拉吉·雅德加 | Turbocombustion engine |
| CN102248360A (en) * | 2011-04-28 | 2011-11-23 | 东风汽车有限公司 | Manufacturing method of frame longitudinal beam and frame longitudinal beam manufactured by same |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10237381B4 (en) * | 2002-08-12 | 2005-06-23 | Eads Space Transportation Gmbh | Combustion structure and method for its production |
| US7100358B2 (en) * | 2004-07-16 | 2006-09-05 | Pratt & Whitney Canada Corp. | Turbine exhaust case and method of making |
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2014
- 2014-12-17 CN CN201410789577.5A patent/CN104859867B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0997666A2 (en) * | 1998-10-30 | 2000-05-03 | Kubota Iron Works Co., Ltd. | Torque converter |
| CN101035974A (en) * | 2004-05-25 | 2007-09-12 | 杰里·伊拉吉·雅德加 | Turbocombustion engine |
| CN102248360A (en) * | 2011-04-28 | 2011-11-23 | 东风汽车有限公司 | Manufacturing method of frame longitudinal beam and frame longitudinal beam manufactured by same |
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