CN107984186B - A kind of level platform adjustment device and application method applied to fuel manifold assembly - Google Patents
A kind of level platform adjustment device and application method applied to fuel manifold assembly Download PDFInfo
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- CN107984186B CN107984186B CN201711248361.8A CN201711248361A CN107984186B CN 107984186 B CN107984186 B CN 107984186B CN 201711248361 A CN201711248361 A CN 201711248361A CN 107984186 B CN107984186 B CN 107984186B
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- 239000000446 fuel Substances 0.000 title claims abstract description 68
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000002485 combustion reaction Methods 0.000 claims description 38
- 239000000295 fuel oil Substances 0.000 claims description 6
- 239000003921 oil Substances 0.000 claims description 6
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- 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
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
- B25H1/02—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby of table type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
- B25H1/14—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with provision for adjusting the bench top
-
- 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
- B23P2700/00—Indexing scheme relating to the articles being treated, e.g. manufactured, repaired, assembled, connected or other operations covered in the subgroups
- B23P2700/01—Aircraft parts
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Feeding And Controlling Fuel (AREA)
- Automatic Assembly (AREA)
Abstract
Applied to the level platform adjustment device and application method of fuel manifold assembly, belong to aviation part mounting technology field.The level platform adjustment device applied to fuel manifold assembly includes cup dolly, positioning ring, positioning pin, angular positioning device and height-regulating device；Positioning ring is mounted on cup dolly, multiple positioning pins are circumferentially installed on positioning ring, cup dolly is equipped with first extension end and multiple second extension ends, is equipped with angular positioning device on the first extension end, a height-regulating device is fitted on each second extension end；Angular positioning device includes positioning support, angular plate, the first threaded rod, the first nut and screw shell, and height-regulating device includes backing plate, guide bracket, voussoir, traveller, pin, spring, supporting plate, the second threaded rod, the second nut, third threaded rod, third nut and handle.What the device can be realized fuel manifold falls dress, reduces operation difficulty, without lifting main chamber, ensure that safety.
Description
Technical Field
The invention relates to the technical field of aviation part assembly, in particular to a height platform adjusting device applied to fuel oil main pipe assembly and a using method.
Background
In the combustion chamber fuel pipeline assembling process, because the external pipeline is numerous and diverse, and the position height requirement to the combustion chamber casing is stricter, the combustion chamber casing is mainly hoisted in the tradition assembly, install the lug of fuel main in the ear seat of combustion chamber casing, simultaneously with a plurality of fuel injection pipes on the fuel main aim at and link together with the nozzle of combustion chamber casing, in this process, need constantly adjust the mounted position of combustion chamber casing with the fuel main, adjust to and lock after the requirement position, at the in-process of adjustment, the combustion chamber casing is hoist and mount, the disturbance is great, the operation degree of difficulty is big, low working efficiency, and the danger coefficient of hoist and mount main device combustion chamber casing is higher, make combustion chamber fuel pipeline assembly potential safety hazard.
Disclosure of Invention
In order to solve the problems existing in the assembling process of the existing main combustion chamber fuel pipeline, the invention provides a height platform adjusting device applied to the assembling of a fuel main pipe, which comprises a circular base, a positioning ring, a positioning pin, an angular positioning device and a height adjusting device;
the positioning ring is arranged on the circular base, the positioning pins are circumferentially arranged on the positioning ring and used for positioning the main combustion chamber casing, the circular base is provided with a first extending end and a plurality of second extending ends, the first extending end and the second extending ends are uniformly arranged along the circumferential direction of the circular base, the angular positioning device is arranged on the first extending end, and a height adjusting device is arranged on each second extending end;
the angular positioning device comprises a positioning support, an angular plate, a first threaded rod, a first nut and a threaded sleeve, wherein the bottom surface of the positioning support is installed on the first extending end;
the height adjusting device comprises a backing plate, a guide seat, a wedge block, a sliding column, a pin, a spring, a support plate, a second threaded rod, a second nut, a third threaded rod, a third nut and a handle, wherein the backing plate is arranged on a second extending end, the guide seat is buckled on the backing plate and fixed with the backing plate, a wedge block sliding groove and a sliding column sliding groove are arranged in the guide seat, the wedge block is arranged on the backing plate and can move back and forth in the wedge block sliding groove, the sliding column is positioned in the sliding column sliding groove, the bottom of the sliding column is an inclined surface, the inclined surface of the sliding column is in contact with the inclined surface at the top of the wedge block, a long groove hole is formed in the side surface of the sliding column, a spring mounting hole is arranged in the sliding column, the long groove hole is communicated with the spring mounting hole, the pin passes through the long groove hole and is fixed on the guide seat, the spring is positioned between the pin and the bottom of the spring mounting hole, the support plate is provided with a, the third threaded rod penetrates through the wedge block sliding groove to be connected with the wedge block, the third nut is connected with the third threaded rod in a rotating mode, the third nut is fixed to the side face of the guide seat, and the handle is fixedly installed on the third nut and can drive the third nut to rotate.
The top surface of the positioning support is provided with an angular plate sliding groove, and the angular plate is installed in the angular plate sliding groove.
The top surface of traveller is equipped with the extension board spout, the extension board is installed in the extension board spout.
The height adjusting device further comprises a pressing ring, the third nut is pressed on the side face of the guide seat through the pressing ring, and the pressing ring is fixed on the side face of the guide seat through a bolt.
The end face of the third nut is provided with a scale value, the third threaded rod is sleeved with a scale bushing, and the scale bushing is marked with a scale line value.
The second threaded rod is fixed in the sliding column through a screw.
The height platform adjusting device applied to fuel main pipe assembly further comprises a rotary table, and the circular base is installed on the rotary table through bolts.
The use method of the height platform adjusting device applied to the fuel manifold assembly comprises the following steps:
step 1, installing a main combustion chamber casing: loosening the first nut and the second nut, moving the angular plate until the first threaded rod is positioned at one end of the first U-shaped groove close to the center of the circular base, moving the support plate until the second threaded rod is positioned at one end of the second U-shaped groove close to the center of the circular base, mounting the main combustion chamber casing on the positioning ring, and angularly positioning the main combustion chamber casing by the positioning pin;
step 2, installing a fuel main pipe: moving the angular plate until the first threaded rod is positioned at one end, far away from the center of the circular base, of the first U-shaped groove, moving the support plate until the second threaded rod is positioned at one end, far away from the center of the circular base, of the second U-shaped groove, locking the first nut and the second nut, installing an oil inlet of a fuel main pipe in the threaded sleeve, and dropping the fuel main pipe on the support plate of each height-adjusting device;
step 3, adjusting the assembly height of the fuel oil main pipe: the handle is rotated to drive the third nut to rotate, the third screw drives the wedge block to move back and forth along the wedge block sliding groove, the sliding column is further driven to move up and down along the sliding column sliding groove, the height adjusting devices are adjusted one by one, the assembly height of the fuel main pipe is adjusted, and then the fuel main pipe and the main combustion chamber casing are installed together to complete assembly;
and 4, disassembling parts after assembly is completed: and loosening the second nut, moving the support plate until the second threaded rod is positioned at one end of the second U-shaped groove close to the center of the circular base, detaching an oil inlet of the fuel main pipe from the threaded sleeve, and detaching the main combustion chamber casing provided with the fuel main pipe from the positioning ring.
The height platform applied to the fuel main pipe assembly can effectively support the main combustion chamber casing, realizes the drop installation of the fuel main pipe, prevents the disturbance phenomenon in the assembly process, reduces the operation difficulty, simultaneously does not need to hoist the main combustion chamber, ensures the safety, can realize the visual adjustment of the fuel main pipe assembly height, has important significance on the consistency of the fuel pipeline assembly, can effectively control the assembly quality of parts, avoids the excessive correction of the parts in the assembly process, and improves the assembly quality of the parts. The device can be applied to a series of problems of fine adjustment of the shape, safety on a joint, position adjustment and the like of a fuel pipeline of a main combustion chamber in the assembling process. And a reliable operation platform is provided for assembling the fuel pipeline. The device is suitable for fine adjustment of the shape and the position of a part, the adjustment range is quantized, the assembly consistency is guaranteed, effective positioning error-proofing measures are provided for assembly, the operation difficulty of an operator is reduced, and the working efficiency is improved. The existing rotary table is utilized to adjust the height direction of the part, and meanwhile, the part can be rotationally adjusted and observed, so that an operator can conveniently work.
Drawings
FIG. 1 is a schematic structural view of a height platform adjustment device for fuel manifold assembly according to the present invention;
FIG. 2 is a schematic cross-sectional view of a height platform adjustment assembly of the present invention as applied to a fuel rail assembly;
FIG. 3 is a top plan view of the height platform adjustment mechanism of the present invention as applied to a fuel rail assembly;
fig. 4 is a partial structural schematic view of the height platform adjusting device applied to the fuel manifold assembly provided by the invention.
Wherein,
1 circular base, 2 holding rings, 3 locating pins, 4 first extending ends, 5 second extending ends, 6 locating supports, 7 angular plates, 8 first threaded rods, 9 first nuts, 10 threaded sleeves, 11 first U-shaped grooves, 12 backing plates, 13 guide seats, 14 wedge blocks, 15 sliding columns, 16 pins, 17 springs, 18 supporting plates, 19 second threaded rods, 20 second nuts, 21 third threaded rods, 22 third nuts, 23 handles, 24 wedge block sliding grooves, 25 long slotted holes, 26 spring mounting holes, 27 supporting plate sliding grooves, 28 second U-shaped grooves, 29 screws, 30 pressing rings, 31 scale bushings, 32 rotary tables, 33 fuel manifolds, 34 fuel injection pipes and 35 lightening holes.
Detailed Description
In order to solve the problems existing in the assembling process of the existing main combustion chamber fuel pipeline, as shown in fig. 1 to 4, the invention provides a height platform adjusting device applied to the assembling of a fuel main pipe, which comprises a circular base 1, a positioning ring 2, a positioning pin 3, an angular positioning device and a height adjusting device, wherein the circular base is provided with a positioning hole;
the positioning ring 2 is arranged on the circular base 1, a plurality of positioning pins 3 are circumferentially arranged on the positioning ring 2, the positioning pins 3 are used for positioning a main combustion chamber casing, the circular base 1 is provided with a first extending end 4 and a plurality of second extending ends 5, the first extending end 4 and the second extending ends 5 are uniformly arranged along the circumferential direction of the circular base 1, an angular positioning device is arranged on the first extending end 4, and a height adjusting device is arranged on each second extending end 5, for example, four second extending ends 5 are arranged in the invention, and a height adjusting device is arranged on each of the four second extending ends 5;
the angular positioning device comprises a positioning support 6, an angular plate 7, a first threaded rod 8, a first nut 9 and a threaded sleeve 10, the bottom surface of the positioning support 6 is installed on the first extending end 4, an angular plate sliding groove is formed in the top surface of the positioning support 6, the angular plate 7 is installed in the angular plate sliding groove, a first U-shaped groove 11 is formed in the angular plate 7, the first threaded rod 8 penetrates through the first U-shaped groove 11 and is fixed in the positioning support 6, the first threaded rod 8 can be fixed in the positioning support 6 through screws, the first nut 9 is screwed to one end, located on the angular plate 7, of the first threaded rod 8, a sleeve mounting groove is further formed in the angular plate 7, and the threaded sleeve 10 is installed in the sleeve mounting groove;
the heightening device comprises a base plate 12, a guide seat 13, a wedge block 14, a sliding column 15, a pin 16, a spring 17, a support plate 18, a second threaded rod 19, a second nut 20, a third threaded rod 21, a third nut 22 and a handle 23, wherein the base plate 12 is arranged on the second extending end 5, the guide seat 13 is buckled on the base plate 12 and fixed with the base plate 12 together, a wedge block chute 24 and a sliding column chute are arranged in the guide seat 13, the wedge block 14 is placed on the base plate 12 and can move back and forth in the wedge block chute 24, the sliding column 15 is positioned in the sliding column chute, the bottom of the sliding column 15 is an inclined plane, the inclined plane of the sliding column 15 is in contact with the inclined plane at the top of the wedge block 14, a long slotted hole 25 is arranged on the side surface of the sliding column 15, a spring mounting hole 26 is arranged in the sliding column 15, the long slotted hole 25 is communicated with the spring mounting hole 26, the pin 16 passes through the long slotted hole 25 and is fixed on the, the top surface of the sliding column 15 is provided with a strut sliding groove 27, the strut 18 is installed in the strut sliding groove 27, the strut 18 is provided with a second U-shaped groove 28, a second threaded rod 19 passes through the second U-shaped groove 28 and is fixed in the sliding column 15, the second threaded rod 19 can be fixed in the sliding column 15 through a screw 29, one end of the second threaded rod 19, which is positioned on the strut 18, is screwed with a second nut 20, a third threaded rod 21 passes through a wedge sliding groove 24 and is connected with a wedge 14, the third nut 22 is screwed with the third threaded rod 21, the third nut 22 is fixed on the side surface of the guide seat 13, specifically, the height adjusting device further comprises a press ring 30, the third nut 22 is pressed on the side surface of the guide seat 13 through the press ring 30, the press ring 30 is fixed on the side surface of the guide seat 13 through a bolt, a handle 23 is fixedly installed on the third nut 22 and can drive the third nut 22 to rotate, wherein the end surface of the third nut 22 is, the scale bush 31 is marked with graduation line values.
The height platform adjusting device can also comprise a rotary table 32, the circular base 1 is installed on the rotary table 32 through bolts, the rotary table 32 is an existing assembly platform in a workshop, and the rotary table 32 can drive the circular base 1 and components on the circular base 1 to rotate simultaneously.
In the present invention, a plurality of lightening holes 35 can be arranged on the circular base 1 for lightening the weight of the whole device.
The use method of the height platform adjusting device applied to fuel manifold assembly comprises the following steps:
step 1, installing a main combustion chamber casing: loosening the first nut 9 and the second nut 20, moving the angular plate 7 until the first threaded rod 8 is positioned at one end of the first U-shaped groove 11 close to the center of the circular base 1, moving the support plate 18 until the second threaded rod 19 is positioned at one end of the second U-shaped groove 28 close to the center of the circular base 1, mounting the main combustion chamber casing on the positioning ring 2, providing a positioning spigot for the combustion chamber casing by the positioning ring 2, providing angular positioning for the main combustion chamber casing by the positioning pin 3, preventing the main combustion chamber casing and the positioning ring 2 from rotating relatively, avoiding errors in mounting direction and improving assembly efficiency;
step 2, installing a fuel main pipe: moving the angular plate 7 until the first threaded rod 8 is positioned at one end of the first U-shaped groove 11 far away from the center of the circular base 1, moving the support plate 18 until the second threaded rod 19 is positioned at one end of the second U-shaped groove 28 far away from the center of the circular base 1, locking the first nut 9 and the second nut 20, installing an oil inlet of a fuel main pipe in the threaded sleeve 10, and dropping the fuel main pipe 33 on the support plate 18 of each height adjusting device, wherein the angular positioning device is used for angularly positioning the fuel main pipe 33, the height adjusting device plays a supporting role in supporting the fuel main pipe 33 at the moment, and in the process of sequentially adjusting the angular positioning device and the height adjusting device, an operator only needs to rotate the rotary table 32 without moving back and forth, so that the efficiency is improved;
and step 3, adjusting the assembly height of the fuel manifold 33: the handle 23 is rotated to drive the third nut 22 to rotate, and because the third nut 22 is fixed by the press ring 30, in the rotating process of the third nut 22, the third threaded rod 21 can drive the wedge block 14 to move back and forth along the wedge block sliding groove 24, further drive the sliding column 15 to move up and down along the sliding column sliding groove, adjust the height adjusting device one by one, realize the adjustment of the assembly height of the fuel main pipe 33, then the fuel main pipe 33 and the main combustion chamber casing are installed together, the lifting lug of the fuel main pipe 33 is installed in the lug seat of the main combustion chamber casing, and simultaneously, the fuel injection pipes 34 on the fuel main pipe 33 are aligned with and connected with the nozzles of the main combustion chamber casing, so as to complete the assembly;
the height of each height adjusting device can be adjusted according to the scale mark values on the scale bush 31 outside the third nut 22 and the third threaded rod 21 of each height adjusting device, specifically, the thread size of the third nut 22 is M10x1-7H, and the thread size of the third threaded rod 21 is M10x 1-8H; the ratio of the inclination of the wedge 14 to the slide 15 is 1: 2, therefore, under the driving of the third threaded rod 21, every time the wedge block 14 moves 1mm, the slide column 15 ascends or descends by 0.5mm, the end face of the third nut 22 is equally divided by 25 degrees, the rotation is 1, the large grid mark is lifted by 0.1mm, and each 1 small grid mark is lifted by 0.01;
in the existing assembly, the adjustment is mainly carried out depending on the operation level and the operation experience of an operator, the adjustment range is inaccurate, and the adjustment time is long, but the visual adjustment of the height of the fuel header pipe 33 is realized, the accuracy of the assembly position of parts is ensured, and the working efficiency is improved;
and 4, disassembling parts after assembly is completed: the second nut 20 is loosened, the support plate 18 is moved until the second threaded rod 19 is positioned at one end of the second U-shaped groove 28 close to the center of the circular base 1, the oil inlet of the fuel manifold 33 is detached from the threaded sleeve 10, and the main combustor casing with the fuel manifold 33 is detached from the positioning ring 2.
The height platform applied to the fuel main pipe assembly can effectively support the main combustion chamber casing, realizes the drop installation of the fuel main pipe, prevents the disturbance phenomenon in the assembly process, reduces the operation difficulty, simultaneously does not need to hoist the main combustion chamber, ensures the safety, can realize the visual adjustment of the fuel main pipe assembly height, has important significance on the consistency of the fuel pipeline assembly, can effectively control the assembly quality of parts, avoids the excessive correction of the parts in the assembly process, and improves the assembly quality of the parts. The device can be applied to a series of problems of fine adjustment of the shape, safety on a joint, position adjustment and the like of a fuel pipeline of a main combustion chamber in the assembling process. And a reliable operation platform is provided for assembling the fuel pipeline. The device is suitable for fine adjustment of the shape and the position of a part, the adjustment range is quantized, the assembly consistency is guaranteed, effective positioning error-proofing measures are provided for assembly, the operation difficulty of an operator is reduced, and the working efficiency is improved. The existing rotary table is utilized to adjust the height direction of the part, and meanwhile, the part can be rotationally adjusted and observed, so that an operator can conveniently work.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. The height platform adjusting device applied to the assembly of the fuel main pipe is characterized by comprising a circular base, a positioning ring, a positioning pin, an angular positioning device and a height adjusting device;
the positioning ring is arranged on the circular base, the positioning pins are circumferentially arranged on the positioning ring and used for positioning the main combustion chamber casing, the circular base is provided with a first extending end and a plurality of second extending ends, the first extending end and the second extending ends are uniformly arranged along the circumferential direction of the circular base, the angular positioning device is arranged on the first extending end, and a height adjusting device is arranged on each second extending end;
the angular positioning device comprises a positioning support, an angular plate, a first threaded rod, a first nut and a threaded sleeve, wherein the bottom surface of the positioning support is installed on the first extending end;
the height adjusting device comprises a backing plate, a guide seat, a wedge block, a sliding column, a pin, a spring, a support plate, a second threaded rod, a second nut, a third threaded rod, a third nut and a handle, wherein the backing plate is arranged on a second extending end, the guide seat is buckled on the backing plate and fixed with the backing plate, a wedge block sliding groove and a sliding column sliding groove are arranged in the guide seat, the wedge block is arranged on the backing plate and can move back and forth in the wedge block sliding groove, the sliding column is positioned in the sliding column sliding groove, the bottom of the sliding column is an inclined surface, the inclined surface of the sliding column is in contact with the inclined surface at the top of the wedge block, a long groove hole is formed in the side surface of the sliding column, a spring mounting hole is arranged in the sliding column, the long groove hole is communicated with the spring mounting hole, the pin passes through the long groove hole and is fixed on the guide seat, the spring is positioned between the pin and the bottom of the spring mounting hole, the support plate is provided with a, the third threaded rod penetrates through the wedge block sliding groove to be connected with the wedge block, the third nut is connected with the third threaded rod in a rotating mode, the third nut is fixed to the side face of the guide seat, and the handle is fixedly installed on the third nut and can drive the third nut to rotate.
2. The height platform adjusting device applied to fuel oil manifold assembly according to claim 1, wherein the top surface of the positioning support is provided with an angular plate sliding groove, and the angular plate is installed in the angular plate sliding groove.
3. The assembly height platform adjusting device applied to a fuel manifold as set forth in claim 1, wherein the top surface of the slide post is provided with a strut slide groove, and the strut is mounted in the strut slide groove.
4. The height platform adjusting device applied to fuel oil manifold assembly according to claim 1, further comprising a pressing ring, wherein the third nut is pressed on the side face of the guide seat through the pressing ring, and the pressing ring is fixed on the side face of the guide seat through a bolt.
5. The height platform adjusting device applied to fuel oil manifold assembly according to claim 1, wherein the end face of the third nut is provided with scale values, the third threaded rod is sleeved with a scale bushing, and the scale bushing is marked with scale line values.
6. The assembly of claim 1, wherein the second threaded shaft is secured within the slide post by a screw.
7. The device for adjusting the height of a fuel manifold assembly as claimed in claim 1, further comprising a turntable, wherein said circular base is mounted on said turntable by bolts.
8. The method of using the height platform adjustment device for fuel manifold assembly of claim 1, wherein the method comprises:
step 1, installing a main combustion chamber casing: loosening the first nut and the second nut, moving the angular plate until the first threaded rod is positioned at one end of the first U-shaped groove close to the center of the circular base, moving the support plate until the second threaded rod is positioned at one end of the second U-shaped groove close to the center of the circular base, mounting the main combustion chamber casing on the positioning ring, and angularly positioning the main combustion chamber casing by the positioning pin;
step 2, installing a fuel main pipe: moving the angular plate until the first threaded rod is positioned at one end, far away from the center of the circular base, of the first U-shaped groove, moving the support plate until the second threaded rod is positioned at one end, far away from the center of the circular base, of the second U-shaped groove, locking the first nut and the second nut, installing an oil inlet of a fuel main pipe in the threaded sleeve, and dropping the fuel main pipe on the support plate of each height-adjusting device;
step 3, adjusting the assembly height of the fuel oil main pipe: the handle is rotated to drive the third nut to rotate, the third screw drives the wedge block to move back and forth along the wedge block sliding groove, the sliding column is further driven to move up and down along the sliding column sliding groove, the height adjusting devices are adjusted one by one, the assembly height of the fuel main pipe is adjusted, and then the fuel main pipe and the main combustion chamber casing are installed together to complete assembly;
and 4, disassembling parts after assembly is completed: and loosening the second nut, moving the support plate until the second threaded rod is positioned at one end of the second U-shaped groove close to the center of the circular base, detaching an oil inlet of the fuel main pipe from the threaded sleeve, and detaching the main combustion chamber casing provided with the fuel main pipe from the positioning ring.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711248361.8A CN107984186B (en) | 2017-12-01 | 2017-12-01 | A kind of level platform adjustment device and application method applied to fuel manifold assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711248361.8A CN107984186B (en) | 2017-12-01 | 2017-12-01 | A kind of level platform adjustment device and application method applied to fuel manifold assembly |
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| CN107984186A CN107984186A (en) | 2018-05-04 |
| CN107984186B true CN107984186B (en) | 2019-04-23 |
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| CN115008170B (en) * | 2022-06-24 | 2023-09-26 | 江西中发天信航空发动机科技有限公司 | Linkage type numerical control separator for outer casing |
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| CN107020572A (en) * | 2017-06-02 | 2017-08-08 | 中国航发南方工业有限公司 | General grinder fixture |
| CN107159919A (en) * | 2017-07-24 | 2017-09-15 | 南华大学 | Special-shaped rocket bay section machine adds fixture |
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| CN107984186A (en) | 2018-05-04 |
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