CN203285566U - Solid rocket ramjet subsection motor case connection structure - Google Patents
Solid rocket ramjet subsection motor case connection structure Download PDFInfo
- Publication number
- CN203285566U CN203285566U CN2013202306722U CN201320230672U CN203285566U CN 203285566 U CN203285566 U CN 203285566U CN 2013202306722 U CN2013202306722 U CN 2013202306722U CN 201320230672 U CN201320230672 U CN 201320230672U CN 203285566 U CN203285566 U CN 203285566U
- Authority
- CN
- China
- Prior art keywords
- afterburning chamber
- generator
- boss
- housing
- gas generator
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Connection Of Plates (AREA)
Abstract
The utility model provides a solid rocket ramjet subsection motor case connection structure. A gas generator shell and an afterburning chamber shell are connected in a manner that an inner hole in the end portion of the gas generator shell is connected to an outer circle of the end portion of the afterburning chamber shell in a sleeved mode, and two end faces are adhered to each other. Corresponding four pairs of generator supporting lugs and afterburning chamber supporting lugs are arranged on the periphery of the connection end of the gas generator shell and the afterburning chamber shell, wherein the generator supporting lugs and the afterburning chamber supporting lugs are arranged in an equal-central-angle mode. The generator supporting lugs and the afterburning chamber supporting lugs are connected through bolts and nuts. Four sets of generator bosses and afterburning chamber bosses are arranged between the four pairs of generator supporting lugs and the afterburning chamber supporting lugs on the peripheries of the gas generator shell and the afterburning chamber shell. Locking holes matched with the generator bosses and the afterburning chamber bosses are formed in wedge-shaped connection plates, and the wedge-shaped connection plates are embedded in the generator bosses and the afterburning chamber bosses in a pressing mode through the locking holes so as to lock the gas generator shell and the afterburning chamber shell. The two ends of the locking holes of the wedge-shaped connection plates are wedge surfaces, the locking holes of the wedge-shaped connection plates are in clearance fit with the circumferential side faces of the generator bosses and the afterburning chamber bosses, and the wedge surfaces at the two ends are in interference fit.
Description
Technical field
The utility model belongs to solid-rocket punching press combined engine structure field, is specifically related to a kind of solid rocket ramjet segmentation engine shell attachment structure.
Background technique
Solid rocket ramjet diameter of the housing little (260mm), length large (2875mm), slenderness ratio reach 11.5, motor body wall thickness 1.5mm.Be formed by connecting by two-piece housing.Enclosure interior assembling ignition mechanism and nozzle component, inner space is limited, side space can utilize under the solid rocket ramjet intake duct, outer wall is by the aerodynamic configuration requirement, projection over 1.5mm must not be arranged, connection part also will bear larger moment of flexure and overload, and bindiny mechanism must guarantee that join strength is connected the rigidity requirement with connection, requires simultaneously quality light.
Minor diameter segmentation motor is commonly used be connected be threaded, voussoir connects, flange connects.Circumferential location difficulty is threaded.Inner space is limited, and outer wall meets the aerodynamic configuration requirement, and the housing wall thickness is 1.5mm only, and housing joint wall thickness is difficult to do thick.The housing wall thickness is difficult to satisfied being threaded and the requirement of voussoir linkage structure.It is larger that flange connects required physical dimension, more is difficult to meet the demands.
Summary of the invention
The purpose of this utility model is to provide a kind of solid rocket ramjet segmentation engine shell attachment structure, and architecture quality is light and structure ﹠processes is simple, and fabricating cost is cheap, can bear larger moment of flexure and overload.
The technical solution of the utility model: solid rocket ramjet segmentation engine shell attachment structure of the present utility model comprises gas generator housing and afterburning chamber housing, the gas generator housing with the connection of afterburning chamber housing is: the design of gas generator housing and afterburning chamber housing periphery corresponding etc. the four pairs of generator journal stirrups and the afterburning chamber journal stirrup of central angle distribution, the generator journal stirrup is connected by bolt, nut with the afterburning chamber journal stirrup; Four groups of generator boss of design and afterburning chamber boss between the four pairs of generator journal stirrups of gas generator housing and afterburning chamber housing periphery and afterburning chamber journal stirrup, locking hole with generator boss and afterburning chamber boss coupling is arranged on the wedge shape connecting plate, the wedge shape connecting plate is pressed into generator boss and afterburning chamber boss by this locking hole embedding, with gas generator housing and the locking of afterburning chamber housing.
The two ends of the locking hole of described wedge shape connecting plate are wedge surface, namely at the junction plane with the generator boss outside, are interior corner cut, i.e. top rake β, β=8 °～13 °, the locking hole of wedge shape connecting plate is outer corner cut at the junction plane with the afterburning chamber boss outside, i.e. back rake angle θ, θ=-2 °～-7 °; The peripheral side of the locking hole of wedge shape connecting plate and generator boss and afterburning chamber boss adopts Spielpassung, and the two ends wedge surface is the interference drive fit.
Described gas generator housing and afterburning chamber housing joint thicken and are to inserting structure, have sealed groove to place the O RunddichtringO on the surface of contact to inserting.
Advantage of the present utility model: gas generator docks assembly manipulation with the afterburning chamber housing convenient, simple, is beneficial to and guarantees circumferential assembly precision; The gas generator housing design is ingenious, simplify the structure, and is convenient to the structural member manufacturing.And strength and stiffness are reliable.
Description of drawings
Fig. 1 is general structure schematic diagram of the present utility model.
Fig. 2 is gas generator housing of the present utility model and afterburning chamber casing connecting structure schematic diagram.
Fig. 3 is the A-A sectional view of Fig. 2.
Fig. 4 is the B-B sectional view of Fig. 2.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 1, Figure 2, Fig. 3, Fig. 4: the utility model gas generator housing 1 with the connection of afterburning chamber housing 2 is: the 2 periphery designs of gas generator housing 1 and afterburning chamber housing corresponding etc. the four couples of generator journal stirrup 1a and the afterburning chamber journal stirrup 2a of central angle distribution, generator journal stirrup 1a is connected by bolt, nut 3 with afterburning chamber journal stirrup 2a; Give birth between the four couples of generator journal stirrup 1a of device housing 1 and afterburning chamber housing 2 peripheries and afterburning chamber journal stirrup 2a and establish four groups of generator boss 1b and afterburning chamber boss 2b sending out combustion gas, locking hole with generator boss 1b and afterburning chamber boss 2b coupling is arranged on wedge shape connecting plate 4, wedge shape connecting plate 4 is pressed into generator boss 1b and afterburning chamber boss 2b by this locking hole embedding, with gas generator housing 1 and 2 lockings of afterburning chamber housing.Wedge shape connects that to be connected circumferential transpostion interval uniform with the journal stirrup bolt.
The locking hole of described wedge shape connecting plate 4 is interior corner cut at the junction plane with the generator boss 1b outside, be top rake β, β=8 °～13 °, the locking hole of wedge shape connecting plate 4 is outer corner cut at the junction plane with afterburning chamber boss (2b) outside, back rake angle θ, θ=-2 °～-7 °.Wedge shape connecting plate 4 coordinates generator 1 and afterburning chamber 2 docking end faces compressions is fit together by wedge surface with generator boss 1b, the protruding 2b platform of afterburning chamber, the peripheral side of the locking hole of wedge shape connecting plate 4 and generator boss 1b and afterburning chamber boss 2b adopts Spielpassung, monolateral gap 1mm, the two ends wedge surface coordinates for the interference drive fit, the locking hole of wedge shape connecting plate 4 is pre-processed, during assembling, join and make generator boss 1b and afterburning chamber boss 2b wedge surface by the locking hole of wedge shape connecting plate 4, then be press-fitted and put in place.This structure radial space takies less, does not affect under the aerodynamic configuration condition and increased tie point, has increased the coupling stiffness of linkage structure, has strengthened the bending resistance of thin-wall case.
Described generator body 1 is thickeied with afterburning chamber housing 2 joints and is to inserting structure, has sealed groove to place O-ring seals 5 on the surface of contact to inserting.
The utility model realized the thin wall physical efficiency bear larger axis to the simultaneously light requirement of quality of transverse acceleration.Under the little prerequisite of radial space, solved the connection sealing difficult problem of minute piece housing.
Claims (3)
1. solid rocket ramjet segmentation engine shell attachment structure, comprise gas generator housing (1) and afterburning chamber housing (2), it is characterized in that: gas generator housing (1) with the connection of afterburning chamber housing (2) is: the design of gas generator housing (1) and afterburning chamber housing (2) periphery corresponding etc. four pairs of generator journal stirrups (1a) and the afterburning chamber journal stirrup (2a) of central angle distribution, generator journal stirrup (1a) is connected by bolt, nut (3) with afterburning chamber journal stirrup (2a); Design four groups of generator boss (1b) and afterburning chamber boss (2b) between four pairs of generator journal stirrups (1a) of gas generator housing (1) and afterburning chamber housing (2) periphery and afterburning chamber journal stirrup (2a), locking hole with generator boss (1b) and afterburning chamber boss (2b) coupling is arranged on wedge shape connecting plate (4), wedge shape connecting plate (4) is pressed into generator boss (1b) and afterburning chamber boss (2b) by this locking hole embedding, with gas generator housing (1) and afterburning chamber housing (2) locking.
2. solid rocket ramjet segmentation engine shell attachment structure according to claim 1, it is characterized in that: the two ends of the locking hole of wedge shape connecting plate (4) are wedge surface, namely at the junction plane with generator boss (1b) outside, be interior corner cut, be top rake β, β=8 °～13 °, the locking hole of wedge shape connecting plate (4) is outer corner cut at the junction plane with afterburning chamber boss (2b) outside, i.e. back rake angle θ, θ=-2 °～-7 °; The peripheral side of the locking hole of wedge shape connecting plate (4) and generator boss (1b) and afterburning chamber boss (2b) adopts Spielpassung, and the two ends wedge surface is the interference drive fit.
3. solid rocket ramjet segmentation engine shell attachment structure according to claim 1 and 2, it is characterized in that: described gas generator housing (1) is thickeied with afterburning chamber housing (2) joint and is to inserting structure, has sealed groove to place O RunddichtringO (5) on the surface of contact to inserting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202306722U CN203285566U (en) | 2013-04-28 | 2013-04-28 | Solid rocket ramjet subsection motor case connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202306722U CN203285566U (en) | 2013-04-28 | 2013-04-28 | Solid rocket ramjet subsection motor case connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203285566U true CN203285566U (en) | 2013-11-13 |
Family
ID=49541935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202306722U Expired - Lifetime CN203285566U (en) | 2013-04-28 | 2013-04-28 | Solid rocket ramjet subsection motor case connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203285566U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103244309A (en) * | 2013-04-28 | 2013-08-14 | 湖北航天技术研究院总体设计所 | Solid rocket punching composite engine shell |
| CN103807053A (en) * | 2014-02-07 | 2014-05-21 | 北京动力机械研究所 | Air bleeder for ramjet |
| CN114320663A (en) * | 2021-12-02 | 2022-04-12 | 湖北三江航天江河化工科技有限公司 | Front connecting structure of small solid rocket engine |
-
2013
- 2013-04-28 CN CN2013202306722U patent/CN203285566U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103244309A (en) * | 2013-04-28 | 2013-08-14 | 湖北航天技术研究院总体设计所 | Solid rocket punching composite engine shell |
| CN103244309B (en) * | 2013-04-28 | 2016-01-20 | 湖北航天技术研究院总体设计所 | A kind of solid-rocket punching press combined engine housing |
| CN103807053A (en) * | 2014-02-07 | 2014-05-21 | 北京动力机械研究所 | Air bleeder for ramjet |
| CN103807053B (en) * | 2014-02-07 | 2016-01-20 | 北京动力机械研究所 | A kind of means of deflation for pressed engine |
| CN114320663A (en) * | 2021-12-02 | 2022-04-12 | 湖北三江航天江河化工科技有限公司 | Front connecting structure of small solid rocket engine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103244309B (en) | A kind of solid-rocket punching press combined engine housing | |
| CN103840627B (en) | Motor and the method for manufacturing motor | |
| CN203285566U (en) | Solid rocket ramjet subsection motor case connection structure | |
| CN203925780U (en) | A kind of check ring joint structure of solid propellant rocket | |
| CN105129069B (en) | Wedge block cabin connecting device | |
| CN202532096U (en) | Connecting pipe for exhaust gas recirculation (EGR) system | |
| CN202065369U (en) | Freely-detachable high-elasticity coupling | |
| CN202302470U (en) | Split type air pipe connector | |
| CN210687472U (en) | Pipeline repairing device and half shell thereof | |
| CN206190380U (en) | Exhaust system of pipeline connecting structure and vehicle | |
| CN206092120U (en) | Muffler | |
| CN207315948U (en) | A kind of automobile bushing | |
| CN206361085U (en) | A kind of elastic washer modular construction | |
| CN210087995U (en) | Graphite sealing mechanism for shaft end of engine | |
| CN219865972U (en) | Low-power transmission elastic coupling device | |
| CN201078348Y (en) | Vane set of pump | |
| CN220850005U (en) | Steering wheel pump body structure convenient to disassemble and assemble | |
| CN206054102U (en) | A kind of automobile engine flexibility dish structure | |
| CN204961046U (en) | Catalyst converter gasket | |
| CN220248524U (en) | Pneumatic actuator cylinder body with sealing ring groove | |
| CN203348516U (en) | Central torque transmission detachable type planet carrier structure | |
| CN109488823A (en) | A kind of high pressure resistant flange connection used on aircraft | |
| CN215213620U (en) | A bar and turbo charger for turbo charger | |
| CN201144855Y (en) | Direct jointing chemical pump | |
| CN216100040U (en) | Press-fit forming shaft for release film |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131113 |
|
| CX01 | Expiry of patent term |