CN106755890A - A kind of frock for solid rocket motor case heat treatment - Google Patents
A kind of frock for solid rocket motor case heat treatment Download PDFInfo
- Publication number
- CN106755890A CN106755890A CN201611093891.5A CN201611093891A CN106755890A CN 106755890 A CN106755890 A CN 106755890A CN 201611093891 A CN201611093891 A CN 201611093891A CN 106755890 A CN106755890 A CN 106755890A
- Authority
- CN
- China
- Prior art keywords
- heat treatment
- hole
- suspension ring
- hanger
- frock
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- 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
- C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
-
- 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
-
- 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
- C21D9/0062—Heat-treating apparatus with a cooling or quenching zone
Abstract
A kind of frock for solid rocket motor case heat treatment, is used cooperatively by quenching suspender and technique suspension ring.One end of 6 supporting plates in quenching suspender is each attached to the circumferential surface of column, and the other end is cantilever end, and there is hanger the termination of each branch cantilever end respectively.A lateral frame board is respectively fixed between each two adjacent side surfaces of supporting plate cantilever end.The present invention realizes the vertical hanging heat treatment of certain large-sized solid rocket engine cast, the heat treatment of solid rocket motor case is completed in the shaft furnace of furnace port diameter 200mm only bigger than metal shell diameter, mechanical performance, size are satisfied by design objective requirement after motor body heat treatment, and frock, without deformation, and can be reused after heat treatment.
Description
Technical field
The present invention relates to frock field, at specifically a kind of solid rocket motor case heat for diameter >=2500mm
The frock of reason.
Background technology
To make high strength steel and unimach play the requirement of high intensity and superior plasticity and toughness, usual these materials
It is required for going out material performance excellent in itself through Overheating Treatment competence exertion.Using the solid propellant rocket shell of unimach
Body is also required to be quenched and tempering heat treatment in order to reach use requirement, finally.The solid propellant rocket shell researched and developed at present
Many problems are faced in body (diameter >=2500mm) development process.In heat treatment process, due to being metal thin-wall housing, to keep away
Exempt to deform in heat treatment process, it is necessary to which vertical hanging is heat-treated.Therefore necessary heat treatment tooling reasonable in design.It is different with
Conventional solid rocket motor case heat treatment tooling, can face all in the design process of band large-scale metal housing heat treatment tooling
Many problems.
1st, solid rocket motor case is the segmental structure of major diameter two, preceding piece housing and back segment case weight all nearly 8
Ton.This intensity to suspending equipment proposes requirement higher.
2nd, housing will be heat-treated at 900 DEG C, and it is good that this requires that frock uses material to have at high temperature
Mechanical property.
3rd, the country meets the heat-treatment furnace fire door diameter of the housing heat treatment requirements only than the solid rocket motor case
The big 200mm of diameter, this size Control requirement to frock is also greatly improved.
Between there are problems that as above, domestic existing frock is as shown in figure 1, at for existing solid rocket motor case heat
Science and engineering is filled, and wherein side gusset is with column directly by solder design, and intensity is not high, and is only connected with technique suspension ring by two hangers
Connect, while the tool structure maximum outside diameter is much larger than motor body external diameter, be not suitable for large-sized solid rocket engine
The heat treatment of housing (diameter >=2500mm).
The content of the invention
To overcome the shortcomings of not to be suitable for present in prior art the solid rocket motor case of unimach, this
Invention proposes a kind of frock for solid rocket motor case heat treatment.
The present invention includes quenching suspender and technique suspension ring, and described quenching suspender and technique suspension ring are used cooperatively；Institute
Quenching suspender is stated for hexagon, including column, 6 lateral frame boards and 6 supporting plates.One end of 6 supporting plates is clamped
End, each clamped end is uniform and is fixed on the circumferential surface of column；6 other ends of supporting plate are cantilever end, each adjacent two
A lateral frame board is respectively fixed between the side surface of individual supporting plate cantilever end.The termination of each supporting plate cantilever end has respectively
Hanger, there is the pin shaft hole coordinated with the hole for hoist of technique suspension ring on each hanger.The column first half has and crown block hook company
The pin shaft hole for connecing.
The inner surface of the technique suspension ring cylinder upper end is uniform and is fixed with 6 pieces of reinforcing plates.Have one in each reinforcing plate
Individual through hole, the through hole is the hole for hoist of technique suspension ring；The extended line of the lifting centerline hole hangs perpendicular to the technique
The center line of ring, and intersect with the center line of technique suspension ring.Technique suspension ring ring body inner surface below each hole for hoist is consolidated
Surely there is reinforcing ring.6 overflow launders are evenly equipped with the technique suspension ring ring body lower end surface, for the discharge of hardening media.
Described hanger is rectangular rod.Each hanger one end end face has the U coordinated with the termination of each supporting plate cantilever end
Shape groove, there is concentric pin shaft hole on the cell wall of the U-lag both sides；During assembling, the cantilever end of each supporting plate is loaded into the U
Shape groove, and the pin shaft hole of each supporting plate cantilever end is aligned with the pin shaft hole on U-lag cell wall, penetrate hanger and be connected with reinforcement
Respectively be connected each hanger with each supporting plate by pin.The hanger other end end face has the U-lag coordinated with technique suspension ring, in the U-shaped
There is concentric pin shaft hole on the cell wall of groove both sides；During assembling, the ring body of the technique suspension ring is loaded into the U-lag, and make ring body
On hole for hoist be aligned with the pin shaft hole on each U-lag respectively, penetrate bearing pin and be connected each hanger with technique suspension ring respectively.
There is hole for hoist the upper end of the column.It is clamped that circumferential surface in the middle part of the column is evenly equipped with 6 setting-in supporting plates
The mounting groove at end.
The present invention realizes the vertical hanging heat treatment of certain large-sized solid rocket engine cast, realizes in furnace port diameter
The heat treatment of solid rocket motor case, engine shell body heat are completed in the shaft furnace of 200mm only bigger than metal shell diameter
Mechanical performance, size are satisfied by design objective requirement after treatment.
In the present invention, quenching suspender is hung by column, reinforcement, side gusset, hanger, hanger and reinforcement connecting pin, technique
Ring connecting pin is constituted, and the pin-and-hole on column is connected with crown block hook by bearing pin, column and side gusset, side gusset and reinforcement hand
Dynamic electric arc welding, hanger is then connected by bearing pin with side gusset, can dismounted at any time.Technique suspension ring lead to as the connection of suspender
Cross bearing pin connection.It is overall to be processed using heat-resistance stainless steel, and heat-rupture test has been carried out, all weld seams carry out coloring spy
Wound, it is ensured that frock intensity at 900 DEG C meets heat treatment requirements.
This frock size and intensity are satisfied by Production requirement, it is adaptable to and certain large-sized solid rocket engine cast diameter >=
Frock is without deformation after 2500mm) being heat-treated production, and heat treatment, and can reuse.
Brief description of the drawings
Fig. 1 is the structural representation of domestic existing solid rocket motor case heat treatment tooling.
Fig. 2 is structural representation of the invention.
Fig. 3 is the structural representation of quenching suspender, wherein, 3a is top view, and 3b is the partial enlarged drawing at A positions in 3a,
3c is front view.
Fig. 4 is the structural representation of hanger, wherein, 4a is front view, and 4b is side view.
Fig. 5 is the structural representation of column, wherein, 5a is front view, and 5b is the A-A direction views in 5a.
Fig. 6 is the structural representation of technique suspension ring.In figure：
1. quench suspender；2. technique suspension ring；3. column；4. lateral frame board；5. supporting plate；6. hanger；7. hanger and reinforcement
Connecting pin；8. technique suspension ring connecting pin；9. reinforcing plate；10. reinforcing ring.
Specific embodiment
The present embodiment is a kind of heat treatment tooling for diameter >=2500mm solid rocket motor cases.
The present embodiment is a kind of frock for solid rocket motor case heat treatment, using heat-resistance stainless steel
1Cr18Ni9Ti is made.
The present embodiment includes quenching suspender and technique suspension ring 2, and described quenching suspender and technique suspension ring are used cooperatively,
To realize the purpose of the present invention.
The quenching suspender is hexagonal.Including 3,6 lateral frame boards 4 of column and 6 supporting plates 5.6 supporting plates
One end is clamped end, and the clamped end is uniform and is fixed on the circumferential surface of column 3；6 other ends of supporting plate are cantilever end,
A lateral frame board 4 is respectively fixed between each two adjacent side surfaces of supporting plate cantilever end.Each supporting plate cantilever end
Termination have hanger 6 respectively, have the pin shaft hole coordinated with the hole for hoist of technique suspension ring on each hanger, connected by technique suspension ring
Pin 8 connects the two.The first half of the column 3 has the pin shaft hole being connected with crown block hook.
The technique suspension ring use prior art.The technique suspension ring 2 are cylindrical shape.The internal diameter of the technique ring with it is to be lifted
The external diameter of solid rocket motor case is identical.Inner surface in the technique suspension ring cylinder upper end is uniform and is fixed with 6 pieces of reinforcements
Plate 9.There is a through hole in the reinforcing plate, the through hole is the hole for hoist of technique suspension ring；The lifting centerline hole
Extended line perpendicular to the center line of the technique suspension ring, and intersect with the center line of technique suspension ring.Below each hole for hoist
Technique suspension ring ring body inner surface be fixed with reinforcing ring 10.6 overflows are evenly equipped with the technique suspension ring ring body lower end surface
Groove, for the discharge of hardening media.
There is hanger the termination of each supporting plate cantilever end respectively, has on each hanger and coordinates with the hole for hoist of technique suspension ring
Pin shaft hole.
Described hanger has 6, is rectangular rod.Each hanger one end end face has matches somebody with somebody with the termination of each supporting plate cantilever end
The U-lag of conjunction, there is concentric pin shaft hole on the cell wall of the U-lag both sides；During assembling, the cantilever end of each supporting plate is filled
Enter the U-lag, and the pin shaft hole of each supporting plate cantilever end is aligned with the pin shaft hole on U-lag cell wall, penetrate hanger and strengthen
Respectively be connected each hanger with each supporting plate by muscle connecting pin 7.The hanger other end end face has the U-lag coordinated with technique suspension ring,
There is concentric pin shaft hole on the cell wall of the U-lag both sides；During assembling, the ring body of the technique suspension ring is loaded into the U-lag, and
The hole for hoist in ring body is aligned with the pin shaft hole on each U-lag respectively, penetrate bearing pin and connect each hanger with technique suspension ring respectively
Connect.
The column 3 is cylinder.There is hole for hoist in the upper end of the column.Circumferential surface in the middle part of the column is evenly equipped with
6 mounting grooves of supporting plate, the clamped end of 6 described supporting plates is embedded in and is fixed in each mounting groove.
In the present embodiment, the appearance and size and each part of weight according to metal shell and Sizes selection frock
Size.In order to reach requirement of the frock maximum outside diameter no more than motor body 100mm, offside gusset and shackle structure are carried out
Optimization design, hanger is directly connected with side gusset by bearing pin, increases the intensity of side gusset end, while strong in order to take into account
The requirement of degree and size, to being designed as deviateing hanger center 15mm laterally with the pin-and-hole of side link of boards on hanger.
Because frock will together enter heating and thermal insulation in heat-treatment furnace with housing, it is desirable to which material must have foot at high temperature
Enough intensity high.The present embodiment selects heat-resistance stainless steel 1Cr18Ni9Ti.
Before heat treatment, technique suspension ring and metal shell are welded together；Hole for hoist and day on quenching suspender column
Car suspension hook is connected by bearing pin.Six holes for hoist on technique suspension ring are connected with the hanger of quenching suspender by bearing pin.Overhead traveling crane rises
Hang, frock together enters stove together with metal shell, vertical hanging is heat-treated in shaft furnace.After completing Tempering and Quenching, pull out
Fall bearing pin, separate quenching suspender and technique suspension ring, housing is detected a flaw and Mechanics Performance Testing, and gas cutting technique is hung after test passes
Ring, separate housing and technique suspension ring, housing are transferred to lower operation.
In order to ensure reliability and security that frock is used at high temperature, side gusset is inserted column by the present embodiment
50mm, then manual electric arc welding welding is carried out, to increase the intensity at this.The matrix to 1Cr18Ni9Ti at 900 DEG C resists simultaneously
Tensile strength and welding tensile strength have carried out strength test, while having carried out stress analysis to frock, it is ensured that the high temperature of frock is strong
Degree meets use requirement.
Claims (5)
1. it is a kind of for solid rocket motor case heat treatment frock, it is characterised in that including quenching suspender and technique hang
Ring, and described quenching suspender and technique suspension ring use cooperatively；The quenching suspender includes column, 6 lateral frame boards and 6 branch
Fagging；One end of 6 supporting plates is clamped end, and each clamped end is uniform and is fixed on the circumferential surface of column；6 supports
The other end of plate is cantilever end, and a frame is respectively fixed between each two adjacent side surfaces of supporting plate cantilever end
Plate；There is hanger the termination of each supporting plate cantilever end respectively, there is the pin coordinated with the hole for hoist of technique suspension ring on each hanger
Axis hole；The column first half has the pin shaft hole being connected with crown block hook.
2. the frock of solid rocket motor case heat treatment is used for as claimed in claim 1, it is characterised in that the quenching is hung
It is hexagon to have.
3. the frock of solid rocket motor case heat treatment is used for as claimed in claim 1, it is characterised in that the technique is hung
The inner surface of ring cylinder upper end is uniform and is fixed with 6 pieces of reinforcing plates；There is a through hole in each reinforcing plate, the through hole is
It is the hole for hoist of technique suspension ring；The extended line of the lifting centerline hole perpendicular to the technique suspension ring center line, and and technique
The center line of suspension ring intersects；Technique suspension ring ring body inner surface below each hole for hoist is fixed with reinforcing ring；In the work
6 overflow launders are evenly equipped with skill suspension ring ring body lower end surface, for the discharge of hardening media.
4. the frock of solid rocket motor case heat treatment is used for as claimed in claim 1, it is characterised in that described hanger
It is rectangular rod；Each hanger one end end face has the U-lag coordinated with the termination of each supporting plate cantilever end, in the U-lag both sides
Cell wall on have concentric pin shaft hole；During assembling, the cantilever end of each supporting plate is loaded into the U-lag, and make each supporting plate
The pin shaft hole of cantilever end is aligned with the pin shaft hole on U-lag cell wall, penetrate hanger and reinforcement connecting pin by each hanger respectively with
Each supporting plate connection；The hanger other end end face has the U-lag coordinated with technique suspension ring, has on the cell wall of the U-lag both sides
Concentric pin shaft hole；During assembling, the ring body of the technique suspension ring is loaded into the U-lag, and make hole for hoist in ring body respectively with
Pin shaft hole alignment on each U-lag, penetrates bearing pin and is connected each hanger with technique suspension ring respectively.
5. the frock of solid rocket motor case heat treatment is used for as claimed in claim 1, it is characterised in that the column
There is hole for hoist upper end；Circumferential surface in the middle part of the column is evenly equipped with 6 mounting grooves at the clamped end of setting-in supporting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611093891.5A CN106755890A (en) | 2016-12-02 | 2016-12-02 | A kind of frock for solid rocket motor case heat treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611093891.5A CN106755890A (en) | 2016-12-02 | 2016-12-02 | A kind of frock for solid rocket motor case heat treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106755890A true CN106755890A (en) | 2017-05-31 |
Family
ID=58882922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611093891.5A Pending CN106755890A (en) | 2016-12-02 | 2016-12-02 | A kind of frock for solid rocket motor case heat treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106755890A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109207700A (en) * | 2018-10-31 | 2019-01-15 | 中国航发航空科技股份有限公司 | A kind of tooling for engine thermal processing |
| CN113817901A (en) * | 2021-09-16 | 2021-12-21 | 西安航天发动机有限公司 | High-temperature normalizing tool for liquid rocket engine and using method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1669992A1 (en) * | 1988-12-26 | 1991-08-15 | Днепропетровский Металлургический Институт | Apparatus for hardening rails |
| CN202658183U (en) * | 2012-07-06 | 2013-01-09 | 烟台艾迪精密机械股份有限公司 | Fixture for thermal treatment of workpiece |
| CN202924574U (en) * | 2012-08-21 | 2013-05-08 | 湖北三江航天江北机械工程有限公司 | Heat treatment hanger of cylindrical shell of pressure container |
| CN204022264U (en) * | 2014-07-22 | 2014-12-17 | 林德（中国）叉车有限公司 | Drive motor suspender |
| CN205528911U (en) * | 2016-01-20 | 2016-08-31 | 辽宁五一八内燃机配件有限公司 | Bent axle pit furnace quenching hoist |
-
2016
- 2016-12-02 CN CN201611093891.5A patent/CN106755890A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1669992A1 (en) * | 1988-12-26 | 1991-08-15 | Днепропетровский Металлургический Институт | Apparatus for hardening rails |
| CN202658183U (en) * | 2012-07-06 | 2013-01-09 | 烟台艾迪精密机械股份有限公司 | Fixture for thermal treatment of workpiece |
| CN202924574U (en) * | 2012-08-21 | 2013-05-08 | 湖北三江航天江北机械工程有限公司 | Heat treatment hanger of cylindrical shell of pressure container |
| CN204022264U (en) * | 2014-07-22 | 2014-12-17 | 林德（中国）叉车有限公司 | Drive motor suspender |
| CN205528911U (en) * | 2016-01-20 | 2016-08-31 | 辽宁五一八内燃机配件有限公司 | Bent axle pit furnace quenching hoist |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109207700A (en) * | 2018-10-31 | 2019-01-15 | 中国航发航空科技股份有限公司 | A kind of tooling for engine thermal processing |
| CN113817901A (en) * | 2021-09-16 | 2021-12-21 | 西安航天发动机有限公司 | High-temperature normalizing tool for liquid rocket engine and using method thereof |
| CN113817901B (en) * | 2021-09-16 | 2023-04-14 | 西安航天发动机有限公司 | High-temperature normalizing tool for liquid rocket engine and using method thereof |
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| PB01 | Publication | ||
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Application publication date: 20170531 |