CN113953820A - Hydraulic skirt installing device for automatic composite material engine combustion chamber shell - Google Patents
Hydraulic skirt installing device for automatic composite material engine combustion chamber shell Download PDFInfo
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- CN113953820A CN113953820A CN202111235608.9A CN202111235608A CN113953820A CN 113953820 A CN113953820 A CN 113953820A CN 202111235608 A CN202111235608 A CN 202111235608A CN 113953820 A CN113953820 A CN 113953820A
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- 239000002131 composite material Substances 0.000 title claims abstract description 110
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 51
- 150000001875 compounds Chemical class 0.000 claims abstract description 49
- 230000007246 mechanism Effects 0.000 claims abstract description 34
- 230000008859 change Effects 0.000 claims abstract description 3
- 239000000463 material Substances 0.000 claims abstract description 3
- 230000000149 penetrating effect Effects 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 239000011347 resin Substances 0.000 abstract description 3
- 229920005989 resin Polymers 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 10
- 230000003028 elevating effect Effects 0.000 description 3
- 239000011157 advanced composite material Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000002679 ablation Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P21/00—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control
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- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The invention relates to a hydraulic skirt device for an automatic composite material engine combustion chamber shell; the device comprises a supporting plate, wherein a rear composite skirt cover is arranged above the supporting plate and connected with the supporting plate through a supporting column, a front composite skirt cover is arranged above the rear composite skirt cover and connected with a lifting mechanism through a connecting piece, and the bottom of the lifting mechanism is connected with the supporting plate through a rotating mechanism; a plurality of distance rods extending upwards are arranged at intervals in the circumferential direction on the outer edge of the rear composite skirt cover, a plurality of grooves are formed in the outer wall of the front composite skirt cover, limiting rods are embedded in the grooves, and the bottoms of the limiting rods extend downwards and are connected with the rear composite skirt cover through hinge pieces; through automatic change combined material engine combustion chamber casing with hydraulic pressure dress skirt frock structural design when solving current compound skirt and connecting, adopt manual dress skirt more, resin base member itself has certain stickness, has produced certain resistance to dress skirt process, and is consuming time longer, dress skirt inefficiency and dress skirt precision are difficult to the technical problem who guarantees.
Description
Technical Field
The invention relates to the technical field of hydraulic skirt mounting equipment, in particular to a hydraulic skirt mounting device for an automatic composite material engine combustion chamber shell.
Background
The rocket engine is a device for providing power for rocket projectiles, the shell is a bearing part for the working pressure of the combustion chamber of the rocket engine and a key part for bearing static load and dynamic load of various occasions of airplane and ground operation, and the application of the advanced composite material can effectively improve the shell strength of the solid rocket engine, improve the heat insulation and ablation resistance of the engine and reduce the negative quality of the engine.
The application of the advanced composite material to the solid rocket engine combustion chamber shell is mature, and for the engine combustion chamber shell, the connecting skirt plays a role in transmitting thrust by other parts during working. As shown in fig. 1, the engine combustion chamber shell and the composite skirt assembly relation diagram includes a front composite skirt 901 and a rear composite skirt 902, an engine combustion chamber shell 903 is sandwiched between the front composite skirt 901 and the rear composite skirt 902, a front shaft of the engine combustion chamber shell 903 is inserted in correspondence to the front composite skirt 901, and a rear shaft of the engine combustion chamber shell 903 is inserted in correspondence to the rear composite skirt 902.
At present, compound skirt and back compound skirt before will be connected, adopt the connected mode of splicing to be connected with the fibre winding casing usually, when connecting, adopt manual dress skirt more, need adopt modes such as screw rod etc. manual with preceding, the back skirt tightly to the assigned position, the resin base member of engine combustion chamber casing itself has certain stickness, has produced certain resistance to dress skirt process, and is consuming time longer, dress skirt inefficiency and dress skirt precision are difficult to guarantee.
Therefore, in view of the above problems, the present invention is directed to a hydraulic skirt device for an automated composite engine combustion chamber housing.
Disclosure of Invention
The invention aims to provide a hydraulic skirt installation device for an automatic composite material engine combustion chamber shell, which solves the technical problems that when the existing composite skirt is connected, the skirt installation device is manually adopted, the front skirt and the rear skirt need to be manually tightened to appointed positions in a screw rod mode and other modes, a resin base body has certain viscosity, certain resistance is generated in the skirt installation process, the consumed time is long, the skirt installation efficiency is low, and the skirt installation precision is difficult to guarantee through the structural design of the hydraulic skirt installation tool for the automatic composite material engine combustion chamber shell.
The invention provides a hydraulic skirt device for an automatic composite material engine combustion chamber shell, which comprises a supporting plate, wherein a rear composite skirt cover is arranged above the supporting plate and is connected with the supporting plate through a supporting column; the distance pole that compound skirt outward flange circumference interval in back laid a plurality of upwards extensions, and the distance pole can be dismantled with compound skirt in back and be connected, and a plurality of recesses have been laid to preceding compound skirt outer wall circumference interval, and each recess embeds there is the gag lever post, and each gag lever post bottom downwardly extending passes through the articulated elements and is connected with compound skirt in back.
Preferably, the lifting mechanism comprises an upright post positioned on one side of the front composite skirt and two lifting plates which are arranged at intervals and connected with the top of the front composite skirt, and each lifting plate extends towards the two sides of the upright post and is connected with a hydraulic rod of the hydraulic cylinder through a connecting block; the hydraulic cylinder is fixed on the upright post through a fixing piece; the bottom of the upright post is connected with the rotating mechanism.
Preferably, the hydraulic cylinder also comprises an infrared lamp positioned below the hydraulic cylinder, and the infrared lamp is connected with the upright post through the rotating assembly.
Preferably, the front composite skirt cover comprises a top plate, a plurality of downward extending columns are circumferentially distributed at intervals on the outer edge of the lower plate surface of the top plate, the bottoms of the downward extending columns are connected with the upper limiting ring, an engine combustion chamber shell front shaft through hole penetrating through the top plate is formed in the center of the top plate, lightening holes A are formed in the top plate and circumferentially distributed at intervals along the engine combustion chamber shell front shaft through hole, and each groove is formed in the side wall of the top plate; the connecting piece is at least two transverse plates arranged at intervals, the upper plate surface of each transverse plate is connected with the lifting plate, and the lower plate surface of each transverse plate is fixedly connected with the top plate.
Preferably, compound skirt cover in back includes the bottom plate, and the outward flange circumference interval of face has laid the last post that extends that upwards extends on the bottom plate, and the top that extends the post all is connected with lower spacing ring, and the center of bottom plate is equipped with the engine combustion chamber casing rear axle through hole that runs through the bottom plate, and the bottom plate still is equipped with the lightening hole B of laying along engine combustion chamber casing rear axle through hole circumference interval, and the face is connected with each support column under the bottom plate.
Preferably, rotary mechanism includes the rotary disk to and be fixed in the motor in the backup pad, and the motor rotation axis stretches into the backup pad inner chamber and is connected with the driving gear, and the pivot of rotary disk bottom stretches into the backup pad inner chamber and is connected with driven gear, and driven gear connects and the driving gear meshing.
Preferably, the mounting includes the riser of two relative settings, and one side and the stand rigid coupling of two risers, two risers still are connected in an organic whole through the connecting rod, and the top of two risers is equipped with the rigid coupling and has the fixed plate, still including the limiting plate that is located the fixed plate top, and the limiting plate is passed at the hydraulic stem top and is connected with the lifter plate, pneumatic cylinder bottom and fixed plate rigid coupling.
Preferably, the support plate is provided with lightening holes C.
Preferably, each connecting block is fixed on the corresponding outer plate surface of the lifting plate.
Preferably, the articulated elements include the articulated rod that transversely runs through with each gag lever post bottom one-to-one, and the both ends of each articulated rod are stretched out and are worn to adorn with the fixed block and be connected.
Compared with the prior art, the hydraulic skirt device for the combustion chamber shell of the automatic composite material engine provided by the invention has the following advantages:
1. the invention provides a hydraulic skirt device for an automatic composite material engine combustion chamber shell, wherein a rear composite skirt cover is arranged above a support plate and connected with the support plate through a support column, a front composite skirt cover is arranged above the rear composite skirt cover and connected with a lifting mechanism through a connecting piece, and the bottom of the lifting mechanism is connected with the support plate through a rotating mechanism; the distance rods extending upwards are arranged at intervals in the circumferential direction of the outer edge of the rear composite skirt cover, the grooves are arranged at intervals in the circumferential direction of the outer wall of the front composite skirt cover, the limiting rods are embedded in the grooves, the bottom of each limiting rod extends downwards and is connected with the rear composite skirt cover through the hinged pieces, automatic dress-up of the skirt can be achieved, manual dress-up of the skirt is not needed, the precision of the dress-up of the skirt is guaranteed, labor is saved, and working efficiency is improved.
2. The invention further comprises an infrared lamp positioned below the hydraulic cylinder, the infrared lamp is connected with the stand column through a rotating assembly, the infrared lamp is rotated through the rotating assembly, a vertical light ray is formed on the assembled composite skirt for checking and confirming the accuracy of the assembled composite skirt, and the rotating assembly can be a screw rod in threaded connection with the stand column.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is an assembly view (front view) of a prior art engine combustion chamber housing and composite skirt;
FIG. 2 is a schematic structural view (perspective view) of a hydraulic skirt device for an automated composite engine combustor casing according to the present invention;
fig. 3 is a schematic view of an assembled product according to the present invention.
Description of reference numerals:
1. a support plate; 2. a rear composite skirt; 3. a support pillar; 4. a front composite skirt; 41. a top plate; 42. a lower extension column; 43. an upper limiting ring; 44. a lightening hole A; 5. a lifting mechanism; 51. a column; 52. a lifting plate; 53. a hydraulic cylinder; 54. a hydraulic lever; 55. a fixing member; 6. a rotation mechanism; 7. a distance rod; 8. a groove; 9. a limiting rod; 10. an articulation member; 1001. a hinged lever; 1002. a fixed block; 11. a connecting member; 12. an infrared lamp; 13. a rotating assembly; 14. connecting blocks; 21. a base plate; 22. an upper extending column; 23. a lower limit ring; 24. a rear shaft through hole of a shell of the engine combustion chamber; 25. a lightening hole B; 551. a vertical plate; 552. a connecting rod; 553. a fixing plate; 554. a limiting plate; 15. a lightening hole C; 61. rotating the disc; 62. an electric motor.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 2, the embodiment provides a hydraulic skirt device for an automatic composite material engine combustion chamber shell, which includes a support plate 1, a rear composite skirt 2 is arranged above the support plate 1, the rear composite skirt 2 is connected with the support plate 1 through a support column 3, a front composite skirt 4 is arranged above the rear composite skirt 2, the front composite skirt 4 is connected with a lifting mechanism 5 through a connecting piece 11, and the bottom of the lifting mechanism 5 is connected with the support plate 1 through a rotating mechanism 6; 2 outward flange circumference intervals of compound skirt cover of back lay a plurality of distance rods 7 that upwards extend, and distance rod 7 can be dismantled with compound skirt cover 2 of back and be connected, and 4 outer wall circumference intervals of preceding compound skirt cover lay a plurality of recesses 8, and each recess 8 embeds has gag lever post 9, and gag lever post 9 bottom downwardly extending is connected with compound skirt cover 2 of back through articulated elements 10.
The invention provides a hydraulic skirt device for an automatic composite material engine combustion chamber shell, wherein a rear composite skirt cover 2 is arranged above a support plate 1, the rear composite skirt cover 2 is connected with the support plate 1 through a support column 3, a front composite skirt cover 4 is arranged above the rear composite skirt cover 2, the front composite skirt cover 4 is connected with a lifting mechanism 5 through a connecting piece 11, and the bottom of the lifting mechanism 5 is connected with the support plate 1 through a rotating mechanism 6; 2 outward flange circumference intervals of back compound skirt cover lay a plurality of distance poles 7 that upwards extend, distance pole 7 can be dismantled with compound skirt cover 2 in back and be connected, 4 outer wall circumference intervals of preceding compound skirt cover lay a plurality of recesses 8, each recess 8 is embedded into has a gag lever post 9, gag lever post 9 bottom downwardly extending passes through the design that articulated elements 10 and compound skirt cover 2 in back are connected, can realize automatic dress skirt, need not manual dress skirt, guarantee the precision of dress skirt, save the labour, and the work efficiency is improved.
Specifically, drive rotatory elevating system 5 through rotary mechanism 6 and rotate, compound skirt 4 is rotatory before with, keep away from compound skirt 2 after, compound skirt assembles after to compound skirt 2 after, assemble the combined material engine combustion chamber casing on compound skirt 2 after, compound skirt assembles before with on compound skirt 4 before with, control rotary mechanism 6 is rotatory before compound skirt 4 to compound skirt 2's top after, installation distance pole 7, assemble gag lever post 9 and compound skirt 4 before with, will start the decline of compound skirt 4 before elevating system 5 control, make preceding compound skirt assemble in an organic whole with compound skirt after with.
The distance rod 7 can change the length of the distance rod 7 according to the assembly distance between the front composite skirt and the rear composite skirt.
As shown in fig. 2, the lifting mechanism 5 of the present embodiment includes a vertical column 51 located at one side of the front composite skirt 4, two lifting plates 52 connected to the top of the front composite skirt 4 and arranged at intervals, wherein each lifting plate 52 extends to both sides of the vertical column 51 and is connected to a hydraulic rod 54 of a hydraulic cylinder 53 through a connecting block 14; the hydraulic cylinder 53 is fixed on the upright 51 through a fixing piece 55; the bottom of the column 51 is connected to the rotating mechanism 6.
The lifting mechanism 5 comprises a vertical column 51 positioned on one side of the front composite skirt 4 and two lifting plates 52 which are arranged at intervals and connected with the top of the front composite skirt 4, wherein each lifting plate 52 extends towards the two sides of the vertical column 51 and is connected with a hydraulic rod 54 of a hydraulic cylinder 53 through a connecting block 14; the hydraulic cylinder 53 is fixed on the upright 51 through a fixing piece 55; the design that the bottom of stand 51 is connected with rotary mechanism 6, and hydraulic cylinder 53 realizes the lift of hydraulic stem 54, and hydraulic stem 54 drives lifter plate 52 and goes up and down to realize that preceding compound skirt 4 rises and descends, thereby realize the assembly of preceding compound skirt and back compound skirt.
As shown in fig. 2, the present embodiment further includes an infrared lamp 12 located below the hydraulic cylinder 53, and the infrared lamp 12 is connected to the column 51 through the rotating assembly 13.
According to the invention, through the design that the infrared lamp 12 is positioned below the hydraulic cylinder 53, the infrared lamp 12 is connected with the upright post 51 through the rotating component 13, the infrared lamp 12 is rotated through the rotating component 13, a straight light ray is formed on the assembled composite skirt for checking and confirming the accuracy of the assembled composite skirt, and the rotating component 13 can be a screw rod which is in threaded connection with the upright post 51.
As shown in fig. 2, the front composite skirt 4 of the present embodiment includes a top plate 41, a plurality of downward extending pillars 42 are circumferentially arranged at intervals on the outer edge of the lower plate of the top plate 41, the bottoms of the downward extending pillars 42 are connected to an upper limiting ring 43, the center of the top plate 41 is provided with an engine combustion chamber housing front shaft through hole penetrating through the top plate 41, the top plate 41 is further provided with lightening holes a44 circumferentially arranged at intervals along the engine combustion chamber housing front shaft through hole, and each groove 8 is arranged on the side wall of the top plate 41; the connecting piece 11 is at least two transverse plates arranged at intervals, the upper plate surface of each transverse plate is connected with the lifting plate 5, and the lower plate surface of each transverse plate is fixedly connected with the top plate 41.
According to the invention, a plurality of downward extending posts 42 are arranged at intervals in the circumferential direction on the outer edge of the lower plate surface of the top plate 41, the bottoms of the downward extending posts 42 are connected with the upper limiting ring 43, the center of the top plate 41 is provided with an engine combustion chamber shell front shaft through hole penetrating through the top plate 41, the top plate 41 is also provided with lightening holes A44 arranged at intervals in the circumferential direction along the engine combustion chamber shell front shaft through hole, and each groove 8 is arranged on the side wall of the top plate 41; connecting piece 11 is the diaphragm that two at least intervals set up, and the last face and the lift plate 5 of each diaphragm are connected, and the lower face of each diaphragm and the design of roof 41 rigid coupling, the installation of compound skirt before making things convenient for is fixed, and roof 41 is circular setting, and the diameter of roof 41 is greater than the diameter of compound skirt before, conveniently changes the casing of different diameters.
As shown in fig. 2, the rear composite skirt 2 of the present embodiment includes a bottom plate 21, upper extending columns 22 extending upward are circumferentially arranged at intervals on the outer edge of the upper plate surface of the bottom plate 21, the tops of the upper extending columns 22 are all connected with a lower limiting ring 23, an engine combustion chamber housing rear axle through hole 24 penetrating through the bottom plate 21 is arranged at the center of the bottom plate 21, weight reducing holes B25 circumferentially arranged at intervals along the engine combustion chamber housing rear axle through hole 24 are further arranged on the bottom plate 21, and the lower plate surface of the bottom plate 21 is connected with each supporting column 3.
According to the invention, the rear composite skirt cover 2 comprises a bottom plate 21, the outer edge of the upper plate surface of the bottom plate 21 is circumferentially provided with the upwardly extending upper extending columns 22 at intervals, the tops of the upper extending columns 22 are connected with the lower limiting ring 23, the center of the bottom plate 21 is provided with the engine combustion chamber shell rear shaft through holes 24 penetrating through the bottom plate 21, the bottom plate 21 is also provided with the lightening holes B25 circumferentially arranged at intervals along the engine combustion chamber shell rear shaft through holes 24, the design that the lower plate surface of the bottom plate 21 is connected with the supporting columns 3 realizes the installation and fixation of the rear composite skirt, the diameter of the bottom plate 21 is larger than that of the rear composite skirt, and the installation of different rear composite skirts is convenient.
As shown in fig. 2, the rotating mechanism 6 of the present embodiment includes a rotating disc 61 and a motor 62 fixed on the supporting plate, a rotating shaft of the motor 62 extends into an inner cavity of the supporting plate 1 to be connected with a driving gear, a rotating shaft at the bottom of the rotating disc 61 extends into an inner cavity of the supporting plate 1 to be connected with a driven gear, and the driven gear is connected to be engaged with the driving gear.
According to the invention, the rotating mechanism 6 comprises the rotating disk 61 and the motor 62 fixed on the supporting plate, the rotating shaft of the motor 62 extends into the inner cavity of the supporting plate 1 to be connected with the driving gear, the rotating shaft at the bottom of the rotating disk 61 extends into the inner cavity of the supporting plate 1 to be connected with the driven gear, the driven gear is connected with the driving gear in a meshed manner, the rotating disk can rotate for 360 degrees, the assembly of the front composite skirt and the rear composite skirt is facilitated, and the motor 62 is connected with a high-voltage power supply system.
The driving gear, the driven gear and the rotating shaft of the invention are not shown in the figures, and the braking principle is common knowledge in the technical field, and is not described herein again.
As shown in fig. 2, the fixing member 55 of this embodiment includes two opposite vertical plates 551, one side of each of the two vertical plates 551 is fixedly connected to the upright 51, the two vertical plates 551 are further connected to each other through a connecting rod 552, a fixing plate 553 is fixedly connected to the upper side of each of the two vertical plates 551, and a position-limiting plate 554 located above the fixing plate 553, the top of the hydraulic rod 54 passes through the position-limiting plate 554 to be connected to the lifting plate 52, and the bottom of the hydraulic cylinder 53 is fixedly connected to the fixing plate 553.
The hydraulic lifting device comprises a fixing piece 55, two vertical plates 551 arranged oppositely, wherein one sides of the two vertical plates 551 are fixedly connected with an upright post 51, the two vertical plates 551 are further connected into a whole through a connecting rod 552, a fixing plate 553 is fixedly connected above the two vertical plates 551, the hydraulic lifting device further comprises a limiting plate 554 positioned above the fixing plate 553, the top of a hydraulic rod 54 penetrates through the limiting plate 554 to be connected with a lifting plate 52, and the bottom of the hydraulic cylinder 53 is fixedly connected with the fixing plate 553, so that the hydraulic cylinder 53 can be fixedly mounted.
As shown in fig. 2, the support plate 1 of the present embodiment is provided with a lightening hole C15, so that the weight of the support plate 1 can be reduced.
As shown in fig. 2, each connecting block 14 of the present embodiment is fixed on the outer side plate surface of the corresponding lifting plate 52, so as to facilitate the connection and fixation between the lifting plate 52 and the hydraulic rod 54.
As shown in fig. 2, the hinge 10 of the present embodiment includes hinge rods 1001 corresponding to the bottoms of the limiting rods 9 and passing through the bottoms of the limiting rods one by one, and two ends of each hinge rod 1001 extend out to be connected with the fixing block 1002 in a penetrating manner.
According to the invention, the connecting blocks 14 are respectively fixed on the outer side plate surfaces of the corresponding lifting plates 52, so that the design of connecting and fixing the lifting plates 52 and the hydraulic rods 54 is facilitated, and the limiting rods 9 rotate and are convenient to install and fix.
Specifically, for an engine combustion chamber shell 801 having a length of 900mm and a diameter of 1200mm, the engine combustion chamber shell is made of a composite material, and the distance (600 ± 1) between the front composite skirt 802 and the rear composite skirt 803 is required to be mm, and the phase deviation between the front composite skirt 802 and the rear composite skirt 803 is required to be ± 3'.
The rotary lifting mechanism 5 is driven by the rotary mechanism 6 to rotate 90 degrees, the front composite skirt 4 is rotated to be far away from the rear composite skirt 2, the rear composite skirt 803 is assembled on the rear composite skirt 2 through bolts, the engine combustion chamber shell 801 is fixed on the rear composite skirt 2, and the rear shaft 804 of the engine combustion chamber shell 801 penetrates out of the engine combustion chamber shell rear shaft through hole 24; preceding compound skirt 802 assembles on preceding compound skirt 4 through the bolt, control rotary mechanism 6 is with preceding compound skirt 4 anticlockwise rotation 90 to engine combustion chamber casing 801's top, install distance rod 7 on compound skirt 2 of back, through changing the distance rod of different heights, can adjust the distance between compound skirt and the compound skirt of back before the adjusting, assemble gag lever post 9 and preceding compound skirt 4, engine combustion chamber casing 801's front shaft 805 and engine combustion chamber casing front shaft perforation correspond to wear to adorn, start the decline of compound skirt 4 before the elevating system 5 control, make preceding compound skirt assemble in an organic whole with compound skirt of back.
The gauge pressure of the hydraulic rod is less than or equal to 1 MPa.
Fig. 3 is a schematic diagram of the assembled product.
The composite skirt is assembled by adopting a hydraulic skirt assembling device for an automatic composite material engine combustion chamber shell, the distance (600 +/-1) mm between the front composite skirt and the rear composite skirt is required, after 4 times of test assembly, the relative deviation (') is 0.41, and the distances (mm) between the front composite skirt and the rear composite skirt are 600.10, 600.08, 600.12 and 600.10 respectively; 3 persons are needed, and the skirt installing time is 15 min.
Adopting manual assembly of the composite skirt, wherein the distance (600 +/-1) mm between the front composite skirt and the rear composite skirt is required, after 4 times of assembly, the relative deviation (') is +/-5, and the distances (mm) between the front composite skirt and the rear composite skirt are 599.80, 600.50, 600.50 and 600 respectively; 6 persons are needed, the skirt installing time is 30min, and the specific data pieces are shown in the table 1 and the table 2.
Therefore, the hydraulic skirt assembling device for the automatic composite material engine combustion chamber shell is adopted to assemble the composite skirt, so that the assembling precision and efficiency are greatly improved.
TABLE 1 composite skirt test data for hydraulic skirt installation device assembly
TABLE 2 manually assembled composite skirt test data
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides an automatic change combined material engine combustion chamber hydraulic pressure dress skirt device for casing which characterized in that: the device comprises a supporting plate (1), wherein a rear composite skirt cover (2) is arranged above the supporting plate (1), the rear composite skirt cover (2) is connected with the supporting plate (1) through a supporting column (3), a front composite skirt cover (4) is arranged above the rear composite skirt cover (2), the front composite skirt cover (4) is connected with a lifting mechanism (5) through a connecting piece (11), and the bottom of the lifting mechanism (5) is connected with the supporting plate (1) through a rotating mechanism (6); back compound skirt (2) outward flange circumference interval has laid a plurality of distance rods (7) that upwards extend, and distance rod (7) can be dismantled with back compound skirt (2) and be connected, and preceding compound skirt (4) outer wall circumference interval has laid a plurality of recesses (8), and embedded stopper rod (9) in each recess (8), each stopper rod (9) bottom downwardly extending passes through articulated elements (10) and is connected with back compound skirt (2).
2. The hydraulic dress skirt device for an automated composite engine combustor casing of claim 1, wherein: the lifting mechanism (5) comprises an upright post (51) positioned on one side of the front composite skirt (4) and two lifting plates (52) which are arranged at intervals and connected with the top of the front composite skirt (4), wherein each lifting plate (52) extends towards the two sides of the upright post (51) and is connected with a hydraulic rod (54) of a hydraulic cylinder (53) through a connecting block (14); the hydraulic cylinder (53) is fixed on the upright post (51) through a fixing piece (55); the bottom of the upright post (51) is connected with the rotating mechanism (6).
3. The hydraulic dress skirt device for an automated composite engine combustor casing of claim 2, wherein: the device also comprises an infrared lamp (12) positioned below the hydraulic cylinder (53), and the infrared lamp (12) is connected with the upright post (51) through a rotating component (13).
4. The hydraulic dress skirt device for an automated composite engine combustor casing of claim 3, wherein: the front composite skirt cover (4) comprises a top plate (41), a plurality of downward extending columns (42) are arranged at intervals in the circumferential direction of the outer edge of the lower plate of the top plate (41), the bottoms of the downward extending columns (42) are connected with an upper limiting ring (43), the center of the top plate (41) is provided with a front shaft through hole of an engine combustion chamber shell penetrating through the top plate (41), the top plate (41) is also provided with lightening holes A (44) arranged at intervals in the circumferential direction of the front shaft through hole of the engine combustion chamber shell, and each groove (8) is arranged on the side wall of the top plate (41); the connecting piece (11) is at least two transverse plates which are arranged at intervals, the upper plate surface of each transverse plate is connected with the lifting plate (5), and the lower plate surface of each transverse plate is fixedly connected with the top plate (41).
5. The hydraulic dress skirt device for an automated composite engine combustor casing of claim 4, wherein: compound skirt cover (2) of back includes bottom plate (21), the outward flange circumference interval of face has laid upwards extension post (22) on bottom plate (21), the top that extends post (22) on all is connected with lower spacing ring (23), the center of bottom plate (21) is equipped with engine combustion chamber casing rear axle through hole (24) that run through bottom plate (21), bottom plate (21) still are equipped with lightening hole B (25) of laying along engine combustion chamber casing rear axle through hole (24) circumference interval, face is connected with each support column (3) under bottom plate (21).
6. The hydraulic dress skirt device for an automated composite engine combustor casing of claim 5, wherein: the rotating mechanism (6) comprises a rotating disk (61) and a motor (62) fixed on the supporting plate, a rotating shaft of the motor (62) extends into an inner cavity of the supporting plate (1) to be connected with the driving gear, a rotating shaft at the bottom of the rotating disk (61) extends into an inner cavity of the supporting plate (1) to be connected with a driven gear, and the driven gear is connected with the driving gear in a meshed mode.
7. The hydraulic dress skirt device for an automated composite engine combustor casing of claim 6, wherein: mounting (55) include riser (551) of two relative settings, one side and stand (51) rigid coupling of two risers (551), two risers (551) still connect in an organic whole through connecting rod (552), the top of two risers (551) is equipped with the rigid coupling and has fixed plate (553), still including limiting plate (554) that are located fixed plate (553) top, limiting plate (554) are passed at hydraulic stem (54) top and are connected with lifter plate (52), pneumatic cylinder (53) bottom and fixed plate (553) rigid coupling.
8. The hydraulic dress skirt device for an automated composite engine combustor casing of claim 7, wherein: the support plate (1) is provided with a lightening hole C (15).
9. The hydraulic dress skirt device for an automated composite engine combustor casing of claim 8, wherein: each connecting block (14) is respectively fixed on the outer side plate surface of the corresponding lifting plate (52).
10. The hydraulic dress skirt device for an automated composite engine combustor casing of claim 9, wherein: the articulated elements (10) comprise articulated rods (1001) which are in one-to-one correspondence with the bottoms of the limiting rods (9) and transversely penetrate through the articulated rods, and two ends of each articulated rod (1001) extend out to be connected with the fixing block (1002) in a penetrating mode.
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| CN113953820B (en) | 2022-10-18 |
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