CN219650620U - Device is repaired to aircraft engine ball screw actuator valve plate silica gel - Google Patents
Device is repaired to aircraft engine ball screw actuator valve plate silica gel Download PDFInfo
- Publication number
- CN219650620U CN219650620U CN202320161127.6U CN202320161127U CN219650620U CN 219650620 U CN219650620 U CN 219650620U CN 202320161127 U CN202320161127 U CN 202320161127U CN 219650620 U CN219650620 U CN 219650620U
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- Prior art keywords
- valve plate
- silica gel
- semicircular
- ball screw
- aircraft engine
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 76
- 239000000741 silica gel Substances 0.000 title claims abstract description 76
- 229910002027 silica gel Inorganic materials 0.000 title claims abstract description 76
- 238000007493 shaping process Methods 0.000 claims abstract description 36
- 238000007789 sealing Methods 0.000 claims abstract description 31
- 238000002347 injection Methods 0.000 claims abstract description 14
- 239000007924 injection Substances 0.000 claims abstract description 14
- 239000003292 glue Substances 0.000 claims description 14
- 229920001296 polysiloxane Polymers 0.000 claims description 9
- 239000000499 gel Substances 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 238000001723 curing Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000001088 anti-asthma Effects 0.000 description 1
- 239000000924 antiasthmatic agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Valve Housings (AREA)
Abstract
The utility model discloses a repairing device for a valve plate silica gel of a ball screw actuator of an aircraft engine, which comprises a gel injection assembly and a shaping assembly, wherein the gel injection assembly is used for injecting silica gel to corresponding positions of the shaping assembly and a silica gel sealing ring of the valve plate; the shaping assembly comprises two semicircular molds, two ends of each semicircular mold are respectively provided with a connecting structure, the two semicircular molds are connected and separated through the connecting structure, a semicircular silica gel shaping groove is formed in the inner side face of each semicircular mold, the shape of each silica gel shaping groove is matched with the shape of the protruding portion of the silica gel sealing ring of the valve plate, and two side edges of each silica gel shaping groove are respectively provided with an outwards protruding positioning edge which is used for being correspondingly clamped on the inner side of the mounting groove of the valve plate. The utility model can maintain the silica gel sealing ring of the valve plate.
Description
Technical Field
The utility model relates to a repairing device, in particular to a repairing device for a valve plate silica gel of a ball screw actuator of an aircraft engine.
Background
The aircraft engine ball screw actuator is an important part of an aircraft air system, and controls the on-off of engine bleed air by adopting a flexible shaft linkage switch mode, so that the aim of adjusting the aircraft engine bleed air switch is fulfilled. When the driving ball screw actuator drives the driven ball screw actuator to rotate through the flexible shaft, the driven ball screw actuator is opened and closed along with the opening of the driving ball screw actuator, so that the air flow entering the engine can be adjusted, and the effect of preventing the engine from surging is achieved.
A circle of silica gel sealing ring is arranged on a valve plate of the ball screw actuator of the aircraft engine, and when the ball screw actuator is closed, the silica gel sealing ring is matched with corresponding parts on the engine, so that a sealing effect is achieved. As shown in fig. 1, a schematic view of a valve plate 100 of a ball screw actuator of an aircraft engine is shown, the valve plate 100 is disc-shaped, a mounting groove 102 is formed in the periphery of the valve plate, a part of a silica gel sealing ring 101 is embedded in the mounting groove 102, and a part of the silica gel sealing ring protrudes from the mounting groove 102.
However, during the opening or closing process of the ball screw actuator, frequent friction between the valve plate of the ball screw actuator and the corresponding part of the engine easily causes the breakage of the silicone seal 101, so that the sealing effect is weakened, even the sealing is failed, and the anti-asthma function is lost. If the silica gel sealing ring is worn to a limiting value, the ball screw actuator needs to be disassembled, and the silica gel sealing ring on the valve plate is repaired. The repair of the silica gel sealing ring of the valve plate of the ball screw actuator of the aircraft engine mainly has the following requirements:
1. the shape and the size of the silica gel sealing ring must meet the requirements of an aircraft component maintenance manual;
2. the hardness of the silica gel sealing ring must meet the requirements of an aircraft component maintenance manual;
3. the repaired ball screw actuator valve plate must pass the leakage test required by the aircraft part maintenance manual.
Therefore, a repair device is required to be designed for repairing the silica gel sealing ring of the valve plate of the ball screw actuator of the aircraft engine so as to solve the repair problem.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a device for repairing the valve plate silica gel of an aircraft engine ball screw actuator, which can repair a silica gel sealing ring of the valve plate.
The technical scheme adopted by the utility model is as follows:
the utility model provides a device is repaired to aircraft engine ball screw actuator valve plate silica gel which characterized in that: the device comprises a glue injection assembly and a shaping assembly, wherein the glue injection assembly is used for injecting silica gel to positions corresponding to silica gel sealing rings of the shaping assembly and a valve plate; the shaping assembly comprises two semicircular molds, two ends of each semicircular mold are respectively provided with a connecting structure, the two semicircular molds are connected and separated through the connecting structure, a semicircular silica gel shaping groove is formed in the inner side face of each semicircular mold, the shape of each silica gel shaping groove is matched with the shape of the protruding portion of the silica gel sealing ring of the valve plate, and two side edges of each silica gel shaping groove are respectively provided with an outwards protruding positioning edge which is used for being correspondingly clamped on the inner side of the mounting groove of the valve plate.
Optionally, the connection structure is equipped with the bayonet socket including establishing the engaging lug at semicircle ring mould both ends on the engaging lug at one of them semicircle ring mould both ends, rotates on the engaging lug at another semicircle ring mould both ends and is equipped with connecting screw, is equipped with lock nut on the connecting screw, and connecting screw is arranged in the bayonet socket, and lock nut is arranged in with the engaging lug of two semicircle ring moulds taut each other.
Optionally, two ends of one semicircular mold are respectively provided with a positioning pin, two ends of the other semicircular mold are respectively provided with a positioning hole, and the positioning pins are correspondingly inserted into the positioning holes.
Optionally, the semicircular ring mold and the connecting lug are integrally formed.
Optionally, the injecting glue subassembly includes actuator cylinder, nozzle and piston, and the nozzle is established in the front end of actuator cylinder, and the piston is assembled in the actuator cylinder, and the piston is used for outwards extruding the silica gel in the actuator cylinder from the nozzle.
Optionally, a connecting rod is arranged at the rear end of the piston and is used for being connected with an external power device.
Optionally, at least one circle of silica gel overflow preventing groove is arranged on the side surface of the piston.
Optionally, a connecting hole is formed at the front end of the actuator cylinder, and the rear end of the nozzle is in threaded connection with the connecting hole.
Alternatively, the nozzle is cone-shaped with a small diameter at the front end and a large diameter at the rear end.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, the silica gel is injected to the corresponding positions of the shaping assembly and the silica gel sealing ring of the valve plate through the glue injection assembly, then the silica gel sealing ring of the valve plate is shaped through correspondingly buckling the semicircular ring die of the shaping assembly on the side edge of the valve plate, and the semicircular ring die and the valve plate are rapidly positioned through the matching clamping position of the positioning edge and the mounting groove of the valve plate. Therefore, the automatic glue filling device is convenient to operate, can accurately and quickly position through the matching clamping of the positioning edge and the mounting groove of the valve plate, is high in use efficiency and practicality, can better perform batch glue filling maintenance, saves labor, and is high in finished product rate after maintenance.
Drawings
FIG. 1 is a schematic illustration of the structure of a valve plate of an aircraft engine ball screw actuator;
FIG. 2 is a schematic cross-sectional view of the glue injection assembly of the present utility model;
FIG. 3 is a schematic perspective view of the styling assembly of the present utility model;
FIG. 4 is a schematic front view of a semicircular ring mold of the sizing assembly of the present utility model;
fig. 5 is a schematic structural diagram of the silica gel shaping groove and the mounting groove matched with each other.
The meaning of the reference numerals in the figures:
1-an actuator cylinder; 1.1-connecting holes; 2-a piston; 2.1-silica gel overflow preventing groove; 2.2-connecting rod; 3-nozzles; 4-semi-circle ring mould; 4.1-a silica gel shaping groove; 4.2-locating edges; 4.3-connecting lugs; 4.4-bayonet; 4.5-locating pins; 4.6-positioning holes; 5-connecting a screw; 6-locking nut; 7-a pin shaft; 100-valve plate; 101-a silica gel sealing ring; 102-mounting slots.
Detailed Description
The utility model is further described below with reference to examples.
In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements 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 utility model.
In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
Examples:
the device for repairing the valve plate silica gel of the ball screw actuator of the aircraft engine comprises a glue injection assembly and a shaping assembly.
The glue injection assembly is used for injecting silica gel to the corresponding positions of the silica gel sealing rings of the shaping assembly and the valve plate. As shown in fig. 2, the glue injection assembly of the present embodiment includes a cylinder 1, a nozzle 3, and a piston 2, the nozzle 3 is provided at the front end of the cylinder 1, and the piston 2 is assembled in the cylinder 1. When the device is used, the silica gel in the actuator cylinder 1 can be extruded outwards from the nozzle 3 by pressing the piston 2, and the silica gel output is better controlled by the gel injection assembly, so that the silica gel is injected onto the shaping assembly and the valve plate 100 in a proper and accurate manner.
The rear end of the piston 2 in this embodiment is provided with a connecting rod 2.2, and the connecting rod 2.2 is used for being connected with an external power device, and the connection is achieved by adopting a conventional structure. The side of piston 2 is equipped with at least round silica gel overflow prevention groove 2.1, and the side of piston 2 of this embodiment is equipped with three rounds of silica gel overflow prevention grooves 2.1, when squeezing silica gel, silica gel overflow prevention groove 2.1 can be better prevent that silica gel from overflowing from the side of piston 2.
The nozzle 3 and the actuator cylinder 1 of the embodiment are detachably connected, and the specific structure is as follows: the front end of the actuator cylinder 1 is provided with a connecting hole 1.1, an internal thread is arranged in the connecting hole 1.1, the rear end of the nozzle 3 is provided with a threaded pipe, and the nozzle 3 is in threaded connection with the connecting hole 1.1 through the threaded pipe. The nozzle 3 is cone-shaped, and has a small diameter at the front end and a large diameter at the rear end.
As shown in fig. 3 and 4, the shaping assembly of the present embodiment includes two semicircular molds 4, two ends of the semicircular molds 4 are respectively provided with a connection structure, and the two semicircular molds 4 are connected and disconnected with each other through the connection structure. The two semicircular ring molds 4 are in a ring shape when being connected with each other and are used for tightly surrounding the aircraft engine ball screw actuator valve plate 100 therein.
The inner side surface of the semicircular mold 4 is provided with a semicircular silica gel shaping groove 4.1, and the shape of the silica gel shaping groove 4.1 is matched with the shape of the protruding part of the silica gel sealing ring 101 of the valve plate 100, so that the shape of the silica gel sealing ring 101 limited and formed by the silica gel shaping groove 4.1 is the shape required by the standard. The two side edges of the silica gel shaping groove 4.1 are respectively provided with a positioning edge 4.2 protruding outwards, and the positioning edges 4.2 are used for being correspondingly clamped on the inner side of the mounting groove 102 of the valve plate. During the use, through the cooperation screens of locating edge 4.2 and mounting groove 102 of valve plate, can carry out accurate quick location to the position between semi-circular ring mould 4 and the valve plate 100, assembly efficiency is high.
The specific structure of the connecting structure is as follows: the connecting structure comprises connecting lugs 4.3 arranged at two ends of a semicircular ring die 4, bayonet 4.4 are arranged on the connecting lugs 4.3 at two ends of one semicircular ring die 4, connecting screws 5 are rotatably arranged on the connecting lugs 4.3 at two ends of the other semicircular ring die 4, rotational connection is realized through pin shafts 7, and lock nuts 6 are arranged on the connecting screws 5. When two semicircle ring moulds 4 are combined, the two ends of the two semicircle ring moulds 4 are aligned, the connecting screw 5 is rotated, the connecting screw 5 is clamped into the bayonet 4.1, then the locking nut 6 is screwed, and the connecting lugs 4.3 of the two semicircle ring moulds 4 can be mutually tensioned, so that the two semicircle ring moulds 4 are mutually connected together. The semicircular mold 4 and the connecting lug 4.3 are integrally formed, and the semicircular mold 4 in this embodiment is made of metal.
In this embodiment, positioning pins 4.5 are respectively disposed at two ends of one semicircular mold 4, positioning holes 4.6 are respectively disposed at two ends of the other semicircular mold 4, and the positioning pins 4.5 are correspondingly inserted into the positioning holes 4.6. Through the pre-positioning of the positioning pin 4.5 and the positioning hole 4.6, the two semicircular ring dies 4 can be aligned with each other more quickly.
The repairing process of the repairing device for the silica gel sealing ring 101 of the aircraft engine ball screw actuator valve plate 100 is as follows:
s1, installing a glue injection assembly, and injecting silica gel into an actuator cylinder 1;
s2, pressing the piston 2, slowly extruding silica gel from the nozzle 3, injecting proper amount of silica gel into the mounting groove 102 of the aircraft engine ball screw actuator valve plate 100 to be maintained, and then injecting proper amount of silica gel into the silica gel shaping groove 4.1;
s3, correspondingly buckling the two semicircular ring molds 4 on the side edge of the valve plate 100, correspondingly clamping the positioning edge 4.2 on the inner side of the mounting groove 102 of the valve plate 100 as shown in FIG. 5, and inserting the positioning pin 4.5 into the positioning hole 4.6; the connecting screw 5 is rotated to be clamped into the bayonet 4.4, and then the lock nut 6 is screwed; at this time, the semicircular mold 4 is tightly pressed against the side edge of the valve plate 100, the silica gel is limited in the ring cavity surrounded by the mounting groove 102 of the valve plate and the silica gel shaping groove 4.1 of the semicircular mold, and the silica gel forms a complete silica gel sealing ring 101;
the method comprises the steps that the repairing device is used for limiting the side edge of the valve plate to form a circle of complete silica gel sealing ring, and then the subsequent shaping and curing process of the silica gel sealing ring is carried out, wherein one shaping and curing method is as follows:
s4, placing the shaping assembly and the valve plate 100 into a heating device for heating and solidifying, taking out, waiting for cooling, and then removing the shaping assembly;
s5, putting the detached valve plate 100 into a heating device again for heating to further solidify the silica gel, and then taking out;
and S6, after the valve plate is cooled, testing the hardness of the valve plate 100 and the hardness of the silica gel, and detecting the hardness of the valve plate and the hardness of the silica gel by using a corresponding hardness meter.
The above-mentioned embodiments of the present utility model are not intended to limit the scope of the present utility model, and the embodiments of the present utility model are not limited thereto, and all kinds of modifications, substitutions or alterations made to the above-mentioned structures of the present utility model according to the above-mentioned general knowledge and conventional means of the art without departing from the basic technical ideas of the present utility model shall fall within the scope of the present utility model.
Claims (9)
1. The utility model provides a device is repaired to aircraft engine ball screw actuator valve plate silica gel which characterized in that: the device comprises a glue injection assembly and a shaping assembly, wherein the glue injection assembly is used for injecting silica gel to positions corresponding to the shaping assembly and a silica gel sealing ring of a valve plate; the shaping assembly comprises two semicircular moulds, connecting structures are respectively arranged at two ends of each semicircular mould, the semicircular moulds are mutually connected and separated through the connecting structures, a semicircular shaping groove is formed in the inner side face of each semicircular mould, the shape of the shaping groove is matched with the shape of the protruding portion of the silica gel sealing ring of the valve plate, positioning edges protruding outwards are respectively arranged at two side edges of the shaping groove, and the positioning edges are used for being correspondingly clamped on the inner side of the mounting groove of the valve plate.
2. The aircraft engine ball screw actuator valve plate silicone repair device of claim 1, wherein: the connecting structure comprises connecting lugs arranged at two ends of the semicircular mould, one connecting lug at two ends of the semicircular mould is provided with a bayonet, the other connecting lug at two ends of the semicircular mould is rotatably provided with a connecting screw, the connecting screw is provided with a locking nut, the connecting screw is used for being clamped into the bayonet, and the locking nut is used for tightening the two connecting lugs of the semicircular mould.
3. The aircraft engine ball screw actuator valve plate silicone repair device of claim 1, wherein: the two ends of one semicircular mold are respectively provided with a positioning pin, the two ends of the other semicircular mold are respectively provided with a positioning hole, and the positioning pins are correspondingly inserted into the positioning holes.
4. The aircraft engine ball screw actuator valve plate silicone repair device of claim 1, wherein: the semicircular ring die and the connecting lugs are integrally formed.
5. The aircraft engine ball screw actuator valve plate silicone repair device of claim 1, wherein: the glue injection assembly comprises a actuating cylinder, a nozzle and a piston, wherein the nozzle is arranged at the front end of the actuating cylinder, the piston is assembled in the actuating cylinder, and the piston is used for extruding silica gel in the actuating cylinder outwards from the nozzle.
6. The aircraft engine ball screw actuator valve plate silicone repair device of claim 5, wherein: the rear end of the piston is provided with a connecting rod which is used for being connected with an external power device.
7. The aircraft engine ball screw actuator valve plate silicone repair device of claim 5, wherein: at least one circle of silica gel overflow preventing groove is arranged on the side face of the piston.
8. The aircraft engine ball screw actuator valve plate silicone repair device of claim 5, wherein: the front end of the actuating cylinder is provided with a connecting hole, and the rear end of the nozzle is in threaded connection with the connecting hole.
9. The aircraft engine ball screw actuator valve plate silicone repair device of claim 5, wherein: the nozzle is cone-shaped, and has a small diameter at the front end and a large diameter at the rear end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320161127.6U CN219650620U (en) | 2023-01-18 | 2023-01-18 | Device is repaired to aircraft engine ball screw actuator valve plate silica gel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320161127.6U CN219650620U (en) | 2023-01-18 | 2023-01-18 | Device is repaired to aircraft engine ball screw actuator valve plate silica gel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219650620U true CN219650620U (en) | 2023-09-08 |
Family
ID=87858484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320161127.6U Active CN219650620U (en) | 2023-01-18 | 2023-01-18 | Device is repaired to aircraft engine ball screw actuator valve plate silica gel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219650620U (en) |
-
2023
- 2023-01-18 CN CN202320161127.6U patent/CN219650620U/en active Active
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