CN115931253B - Tightness detection device for aircraft fuel nozzle - Google Patents

Tightness detection device for aircraft fuel nozzle Download PDF

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Publication number
CN115931253B
CN115931253B CN202310088402.0A CN202310088402A CN115931253B CN 115931253 B CN115931253 B CN 115931253B CN 202310088402 A CN202310088402 A CN 202310088402A CN 115931253 B CN115931253 B CN 115931253B
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detection
fluted disc
channel
steering fluted
gear
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CN115931253A (en
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李晓宁
王鹏
但盼亮
马雅茹
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Xi'an Chengli Aviation Manufacturing Co ltd
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Xi'an Chengli Aviation Manufacturing Co ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00Aeronautics or air transport
    • Y02T50/40Weight reduction

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Abstract

The utility model discloses a tightness detection device for an aircraft fuel nozzle, which relates to the technical field of fuel nozzle detection and comprises a bottom plate, wherein a detection assembly is fixedly arranged on the bottom plate, the detection assembly comprises a detection moving plate, a rack is slidably arranged on the detection moving plate and is fixedly arranged on a transverse bar, a first elastic assembly is fixedly arranged on the detection moving plate, and two ends of the first elastic assembly are fixedly connected with the detection moving plate and the rack respectively. According to the utility model, the detection assembly is arranged, so that the fuel nozzle can be driven to automatically clamp without manual participation, the tightness detection process of the fuel nozzle can be carried out all the day, and the detection cost is reduced; the detection assembly can be driven to move only by electrifying the driving motor to rotate; the automatic clamping type fuel nozzle tightness detection device has the advantages that the automatic clamping type fuel nozzle tightness detection is realized, the overall detection efficiency is improved, a plurality of detection assemblies can be arranged side by side, and the detection speed is further improved.

Description

Tightness detection device for aircraft fuel nozzle
Technical Field
The utility model relates to the technical field of fuel nozzle detection, in particular to a tightness detection device for an aircraft fuel nozzle.
Background
The aeroengine is a highly complex and precise thermodynamic machine, is used as the heart of an airplane, is not only the power of the airplane in flight, but also an important driving force for promoting the development of aviation industry, and when the engine is installed, the internal tightness test is required to be carried out on each nozzle so as to ensure the running reliability of the engine.
In the prior art, the utility model patent with the publication number of CN214621608U discloses a device for detecting the tightness of a fuel nozzle of an aircraft engine, which comprises a base and an upper seat, wherein the base is connected with the upper seat through a cylindrical connecting body positioned at the geometric center; the device comprises a base, a cylindrical connector, a sealing tester, a sealing adapter, a plurality of placing holes, a plurality of connecting rods, a sealing adapter and a sealing tester, wherein the plurality of placing holes for placing fuel nozzles are annularly arranged on the base in the circumferential direction of the cylindrical connector; the upper seat is uniformly provided with a plurality of threaded holes, each threaded hole is arranged in one-to-one correspondence with the placement hole, the axes of the threaded holes are coincident with each other, a threaded ejector rod is screwed in each threaded hole, and the bottom end of the threaded ejector rod is provided with a sealing sleeve. The device can detect the tightness of a plurality of fuel nozzles at one time, so that the detection efficiency is greatly improved, and the production cost is reduced, but the device can be completed only by manually rotating a plurality of threaded ejector rods, so that the efficiency of detecting the tightness of the whole fuel nozzles is reduced.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model provides the following technical scheme: the utility model provides a leakproofness detection device of aircraft fuel nozzle, includes the bottom plate, fixedly provided with detection subassembly on the bottom plate, detection subassembly is including detecting the movable plate, and it is provided with the rack to detect to slide on the movable plate, and rack fixed mounting is on the diaphragm, still fixedly mounted has first elastic component on the detection movable plate, and the both ends of first elastic component are respectively with detecting movable plate and rack fixed connection, fixedly mounted has the slide bar on the diaphragm, encircle on the slide bar has the spring, fixedly mounted has the gear support of stepping down on the detection movable plate, rotates on the gear support of stepping down and installs drive gear, and drive gear meshes with another output gear of stepping down of rotating and installing on the gear support of stepping down, the middle part of detecting the movable plate is provided with the screw hole, and threaded connection has the screw post in the screw hole, fixedly mounted has six arris column of revolution on the screw post, six arris column of revolution and drive gear pass through spline sliding fit; the movable assembly comprises a movable workbench, a sliding rod is fixedly arranged on the movable workbench, a screw is further rotatably arranged on the movable workbench through a steering fluted disc support, a pushing frame is slidably arranged on the sliding rod, one end of the pushing frame is fixed with a transverse bar, the pushing frame is in threaded connection with the screw, a limiting block is fixedly arranged on the movable workbench, a bearing is fixedly arranged at one end of the screw, a friction seat is matched with the outer contact of the bearing, and the friction seat is fixedly arranged on a telescopic rod of an electric cylinder.
Preferably, both ends of the spring are respectively fixedly connected with the detection moving plate and the transverse bar, and the sliding rod is arranged on the detection moving plate in a sliding manner.
Preferably, the detection moving plate is fixedly provided with a gearbox, an input yielding gear meshed with the rack is fixedly arranged on an input shaft of the gearbox, and an output shaft of the gearbox is fixedly connected with the output yielding gear.
Preferably, the bottom fixed mounting of screw post has the mouth of screwing, six arris column of revolution's top fixed mounting has the vacuum pump, six arris column of revolution, the mouth of screwing, the inside of screw post are provided with first passageway, second passageway, third passageway respectively to first passageway, second passageway, third passageway and vacuum pump's air inlet intercommunication.
Preferably, the detection assembly further comprises a seal detection seat fixedly installed on the bottom plate, a baffle is fixedly arranged on the seal detection seat and is in contact fit with the detection moving plate, a belt conveying mechanism for conveying the fuel nozzle is further arranged on the seal detection seat or the bottom plate, a threaded through hole matched with the fuel nozzle in a threaded mode is formed in the seal detection seat, and one end of the through hole is connected with the oil pipe.
Preferably, the electric cylinder is fixedly arranged on the movable workbench, three steering fluted disc supports are in running fit with the screw rod, and a first steering fluted disc and a second steering fluted disc are respectively and rotatably arranged on the two steering fluted disc supports which are far away from one side of the electric cylinder.
Preferably, the movable workbench is further fixedly provided with a driving motor, an output shaft of the driving motor is fixedly provided with a driving side gear, the driving side gear is meshed with the first steering fluted disc and the second steering fluted disc, the first steering fluted disc and the second steering fluted disc are respectively provided with side teeth, a movable meshing disc is arranged between the first steering fluted disc and the second steering fluted disc, the movable meshing disc is fixedly connected with a screw rod, and tooth shapes meshed with the side teeth on the first steering fluted disc and the second steering fluted disc are arranged on the movable meshing disc.
Preferably, two auxiliary conical discs are arranged at one end, far away from the bearing, of the screw rod, a transition double-head conical disc is arranged between the two auxiliary conical discs, a second elastic component support and an extrusion warhead sliding frame are fixedly arranged on the steering fluted disc support, an extrusion warhead is arranged on the extrusion warhead sliding frame in a sliding mode, a second elastic component is arranged between the extrusion warhead and the second elastic component support, and the extrusion warhead is in sliding fit with the transition double-head conical disc, the auxiliary conical disc and the screw rod.
Compared with the prior art, the utility model has the following beneficial effects: (1) According to the utility model, the detection assembly is arranged, so that the fuel nozzle can be driven to automatically clamp without manual participation, the tightness detection process of the fuel nozzle can be carried out all the day, and the detection cost is reduced; (2) The utility model can realize the movement of the detection assembly by only powering on the driving motor to rotate the driving motor; (3) According to the utility model, the tightness detection of the fuel nozzle with automatic clamping is realized, the overall detection efficiency is improved, and a plurality of detection assemblies can be arranged side by side, so that the detection speed is further improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model.
FIG. 2 is a schematic diagram of a detecting assembly according to the present utility model.
Fig. 3 is a cross-sectional view of a third channel structure according to the present utility model.
Fig. 4 is a schematic view of the structure of the driving gear of the present utility model.
FIG. 5 is a schematic diagram of a moving assembly according to the present utility model.
FIG. 6 is a schematic view of the structure of the movable engagement plate of the present utility model.
Fig. 7 is a schematic view of the structure of the extrusion bullet of the present utility model.
In the figure: 101-detecting a mobile plate; 102-a belt transport mechanism; 103, sealing the detection seat; 104-a baffle; 105-yielding gear rack; 106-a horizontal bar; 107-a gearbox; 108-input yielding gears; 109-output yield gear; 110-a vacuum pump; 111-a drive gear; 112-six-edge rotating column; 1121-a first channel; 113-a first elastic component; 114-rack; 115-springs; 116-slide bar; 117—screwing opening; 1171-a second channel; 118-threaded post; 1181-third channel; 201-moving a workbench; 202-a lead screw; 203-a slide bar; 204-limiting blocks; 205-pushing the rack; 206-driving a motor; 207-a first steering fluted disc; 208-a second steering fluted disc; 209-squeeze warhead carriage; 210-moving the engagement disc; 211-electric cylinder; 212-friction seat; 213-bearings; 214-a drive side gear; 215-steering fluted disc support; 216-a second resilient assembly bracket; 217-a second elastic component; 218-squeezing the warhead; 219-transition double-ended conical disk; 220-auxiliary conical discs; 3-fuel nozzles; 4-a bottom plate.
Detailed Description
The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.
As shown in fig. 1-4, the utility model provides a tightness detecting device for an aircraft fuel nozzle, which comprises a bottom plate 4, wherein a detecting component is fixedly arranged on the bottom plate 4, the detecting component comprises a detecting movable plate 101, a rack 114 is slidably arranged on the detecting movable plate 101, the rack 114 is fixedly arranged on a horizontal bar 106, a first elastic component 113 is fixedly arranged on the detecting movable plate 101, two ends of the first elastic component 113 are respectively fixedly connected with the detecting movable plate 101 and the rack 114, a sliding rod 116 is fixedly arranged on the horizontal bar 106, a spring 115 is wound on the sliding rod 116, a yielding gear bracket 105 is fixedly arranged on the detecting movable plate 101, a driving gear 111 is rotatably arranged on the yielding gear bracket 105, the driving gear 111 is meshed with an output yielding gear 109 rotatably arranged on the yielding gear bracket 105, a threaded hole is arranged in the middle of the detecting movable plate 101, the screw hole is internally and fixedly connected with a screw column 118, a six-edge rotating column 112 is fixedly arranged on the screw column 118, the six-edge rotating column 112 is in spline sliding fit with the driving gear 111, two ends of a spring 115 are respectively and fixedly connected with the detection moving plate 101 and the transverse bar 106, a sliding rod 116 is arranged on the detection moving plate 101 in a sliding mode, a gearbox 107 is fixedly arranged on the detection moving plate 101, an input stepping gear 108 meshed with a rack 114 is fixedly arranged on an input shaft of the gearbox 107, an output shaft of the gearbox 107 is fixedly connected with the output stepping gear 109, a screwing port 117 is fixedly arranged at the bottom end of the screw column 118, a vacuum pump 110 is fixedly arranged at the top end of the six-edge rotating column 112, a first channel 1121, a second channel 1171 and a third channel 1181 are respectively arranged in the six-edge rotating column 112, the screwing port 117 and the screw column 118, and the first channel 1121 and the second channel 1171 are respectively, the third channel 1181 is communicated with the air inlet of the vacuum pump 110, the detection assembly further comprises a seal detection seat 103 fixedly mounted on the bottom plate 4, a baffle 104 is fixedly arranged on the seal detection seat 103, the baffle 104 is in contact fit with the detection moving plate 101, a belt conveying mechanism 102 for conveying the fuel nozzle 3 is further arranged on the seal detection seat 103 or the bottom plate 4, a threaded through hole in threaded fit with the fuel nozzle 3 is formed in the seal detection seat 103, and one end of the through hole is connected with an oil pipe.
As shown in fig. 1 and 5-7, a moving assembly is fixedly arranged on the bottom plate 4, the moving assembly comprises a moving workbench 201, a sliding rod 203 is fixedly arranged on the moving workbench 201, a screw rod 202 is rotatably arranged on the moving workbench 201 through a steering fluted disc support 215, a pushing frame 205 is slidably arranged on the sliding rod 203, one end of the pushing frame 205 is fixedly connected with a transverse bar 106, the pushing frame 205 is in threaded connection with the screw rod 202, a limiting block 204 is fixedly arranged on the moving workbench 201, a bearing 213 is fixedly arranged at one end of the screw rod 202, a friction seat 212 is in contact fit with the outer part of the bearing 213, the friction seat 212 is fixedly arranged on a telescopic rod of an electric cylinder 211, the electric cylinder 211 is fixedly arranged on the moving workbench 201, three steering fluted disc supports 215 are in rotational fit with the screw rod 202, a first steering fluted disc 207 and a second steering fluted disc 208 are respectively rotatably arranged on two steering fluted disc supports 215 which are far away from one side of the electric cylinder 211, a driving motor 206 is fixedly arranged on the moving workbench 201, a driving side gear 214 is fixedly arranged on an output shaft of the driving motor 206, the driving side gear 214 is meshed with the first steering fluted disc 207 and the second steering fluted disc 208, side teeth are arranged on the first steering fluted disc 207 and the second steering fluted disc 208, a moving meshing disc 210 is arranged between the first steering fluted disc 207 and the second steering fluted disc 208, the moving meshing disc 210 is fixedly connected with a lead screw 202, tooth shapes meshed with the side teeth on the first steering fluted disc 207 and the second steering fluted disc 208 are arranged on the moving meshing disc 210, two auxiliary conical discs 220 are arranged on one end of the lead screw 202 which is far away from a bearing 213, a transitional double-end conical disc 219 is arranged between the two auxiliary conical discs 220, the steering fluted disc support 215 is also fixedly provided with a second elastic component support 216 and an extrusion warhead sliding frame 209, the extrusion warhead sliding frame 209 is provided with an extrusion warhead 218 in a sliding manner, a second elastic component 217 is arranged between the extrusion warhead 218 and the second elastic component support 216, and the extrusion warhead 218 is in sliding fit with a transition double-head conical disc 219, an auxiliary conical disc 220 and the screw rod 202.
The utility model discloses a sealing performance detection device of an aircraft fuel nozzle, which has the following working principle: the fuel nozzles 3 are sequentially and equidistantly arranged on the belt conveying mechanism 102, then the first fuel nozzle 3 is moved to the lower part of the detection moving plate 101, then the driving motor 206 is controlled, the output shaft of the driving motor 206 drives the driving side gear 214 to rotate, the driving side gear 214 rotates to drive the first steering fluted disc 207 and the second steering fluted disc 208 to rotate (the first steering fluted disc 207 and the second steering fluted disc 208 are not connected with the screw 202), since the extrusion warhead 218 is arranged to prop against the surface of the transition double-ended conical disc 219, the extrusion warhead 218 drives the transition double-ended conical disc 219 to move (if the extrusion warhead 218 is on the inclined surface of the transition double-ended conical disc 219 at this time), the extrusion warhead 218 needs to prop against the transition double-ended conical disc 219 to move leftwards at this time, the moving meshing disc 210 is meshed with the first steering fluted disc 207, therefore, the first steering fluted disc 207 will drive the moving meshing disc 210 to rotate, the moving meshing disc 210 will drive the lead screw 202 to rotate, the lead screw 202 will drive the pushing frame 205 to move, the pushing frame 205 will drive the horizontal bar 106 to move, at this time, because the detecting moving plate 101 is not in contact with the baffle 104, the detecting moving plate 101 will also move when the horizontal bar 106 moves, before this, the vacuum pump 110 needs to be controlled, the fuel nozzle 3 on the belt conveying mechanism 102 is adsorbed onto the screwing port 117 (the vacuum pump 110 adsorbs the fuel nozzle 3 through the first channel 1121, the third channel 1181 and the second channel 1171), then the fuel nozzle 3 moves to the coaxial position of the threaded hole of the seal detecting seat 103 along with the detecting moving plate 101, at this time, the contact position of the moving plate 101 and the baffle 104 is detected, at this time the electric cylinder 211 is controlled, the telescopic rod of the electric cylinder 211 drives the friction seat 212 to be in contact with the bearing 213 for extrusion (at this time, the compression spring 115 and the first elastic component 113 are started, the screw rod 202 is prevented from moving axially), the pushing frame 205 drives the cross bar 106 to move relatively to the detection moving plate 101, the cross bar 106 moves to compress the spring 115 and the first elastic component 113, meanwhile, the cross bar 106 also drives the rack 114 to move, the rack 114 moves to drive the input yielding gear 108 to move, the input yielding gear 108 moves to drive the input shaft of the gearbox 107 to rotate, the output shaft of the gearbox 107 drives the output yielding gear 109 to rotate, the output yielding gear 109 rotates to drive the driving gear 111 to rotate, the driving gear 111 rotates to drive the hexagonal rotating column 112 to rotate, the hexagonal rotating column 112 drives the threaded column 118 to rotate, the screwing hole 117 rotates to drive the fuel nozzle 3 to rotate (the inside of the screwing hole 117 is provided with a hexagonal sleeve structure, so that the hexagonal sleeve structure is clamped with the fuel nozzle 3), and simultaneously, when the threaded column 118 rotates, the threaded column 103 rotates to drive the seal ring 103 to rotate, and the seal ring 103 is screwed down, and the seal ring is sealed by detecting the pressure of the seal ring is detected by the seal ring, and the seal ring is sealed by detecting the seal ring of the seal ring. When the detection is completed, the electric cylinder 211 is controlled to separate the friction seat 212 from the bearing 213 and then continue to rotate the screw 202, and since the detection moving plate 101 and the pushing frame 205 cannot continue to move (limit position) at this time, the rotation of the screw 202 will drive itself to move axially (besides, if the elastic force of the first elastic component 113 and the spring 115 is set to be greater than the horizontal component force of the second elastic component 217 applied to the transitional double-ended tapered disc 219 through the extrusion bullet 218, the movable engaging disc 210 can be driven to engage with the second steering fluted disc 208 through the reaction force of the elastic force), so that the movable engaging disc 210 moves towards one side close to the second steering fluted disc 208 and simultaneously disengages from the first steering fluted disc 207, at this time, the transitional double-ended tapered disc 219 will also move synchronously with the movable engaging disc 210, the extrusion bullet 218 will slide to the other side along the surface of the transitional double-ended tapered disc 219, when the transition double-headed conical disk 219 passes over the center, the movable engagement disk 210 is just disengaged from the first turning gear disk 207 and is engaged with the second turning gear disk 208, and the pressing bullet 218 continues to press the transition double-headed conical disk 219, so that the movable engagement disk 210 is driven to move toward the second turning gear disk 208 (assist force), the rotation direction of the screw 202 is reversed, so that the pushing frame 205 is driven to return to the initial position, and the detected fuel nozzle 3 is placed on the tape conveying mechanism 102 by stopping the vacuum pump 110, and then the tape conveying mechanism 102 is controlled to move the next fuel nozzle 3 to the position of the previous fuel nozzle 3, and when the pushing frame 205 is moved to the position contacting the stopper 204, similarly, the pushing frame 205 cannot be continuously moved, so that the screw 202 is reversely moved, the movable engagement plate 210 is brought into engagement with the first steering gear plate 207.

Claims (2)

1. The utility model provides a leakproofness detection device of aircraft fuel nozzle, includes bottom plate (4), its characterized in that: the detection assembly comprises a detection moving plate (101), a rack (114) is slidably arranged on the detection moving plate (101), the rack (114) is fixedly arranged on a transverse bar (106), a first elastic assembly (113) is fixedly arranged on the detection moving plate (101), two ends of the first elastic assembly (113) are fixedly connected with the detection moving plate (101) and the rack (114) respectively, a sliding rod (116) is fixedly arranged on the transverse bar (106), a spring (115) is wound on the sliding rod (116), a driving gear (111) is rotatably arranged on the detection moving plate (101) and is rotatably arranged on the yielding gear bracket (105), the driving gear (111) is meshed with an output yielding gear (109) rotatably arranged on the yielding gear bracket (105), a threaded hole is formed in the middle of the detection moving plate (101), a threaded column (118) is fixedly arranged on the threaded column (118), six rotary columns (112) are fixedly arranged on the threaded column (118), the six rotary columns (112) are fixedly matched with the driving gear (111) through the driving gear (107), an input yielding gear (108) meshed with a rack (114) is fixedly arranged on an input shaft of a gearbox (107), an output shaft of the gearbox (107) is fixedly connected with an output yielding gear (109), a screwing port (117) is fixedly arranged at the bottom end of a threaded column (118), a vacuum pump (110) is fixedly arranged at the top end of a six-edge rotary column (112), a first channel (1121), a second channel (1171) and a third channel (1181) are respectively arranged in the six-edge rotary column (112), the screwing port (117) and the threaded column (118), the first channel (1121), the second channel (1171) and the third channel (1181) are communicated with an air inlet of the vacuum pump (110), a seal detection seat (103) fixedly arranged on a bottom plate (4) is further included, a baffle plate (104) is fixedly arranged on the seal detection seat (103), the baffle plate (104) is in contact fit with a detection moving plate (101), a first channel (1121), a second channel (1171) and a third channel (1181) are respectively arranged in the six-edge rotary column (112), the interior of the threaded column (118), the first channel (1121), the second channel (1171) and the first channel (1171) and the second channel (1171) are communicated with an air inlet of the vacuum pump (110), and the air inlet port, and the seal detection component is in the seal detection assembly, and the seal detection assembly is fixedly arranged on the bottom plate (4, and the seal detection moving seat, and the seal detection moving mechanism;
the bottom plate (4) is fixedly provided with a moving assembly, the moving assembly comprises a moving workbench (201), the moving workbench (201) is fixedly provided with a sliding rod (203), the moving workbench (201) is also provided with a screw rod (202) in a rotating way through a steering fluted disc support (215), the sliding rod (203) is provided with a pushing frame (205) in a sliding way, one end of the pushing frame (205) is fixedly connected with a transverse bar (106), the pushing frame (205) is in threaded connection with the screw rod (202), the moving workbench (201) is also fixedly provided with a limiting block (204), one end of the screw rod (202) is fixedly provided with a bearing (213), the outer contact of the bearing (213) is matched with a friction seat (212), the friction seat (212) is fixedly provided with a telescopic rod of an electric cylinder (211), the electric cylinder (211) is fixedly provided with the moving workbench (201), the steering fluted disc support (215) is three, the steering fluted disc support (215) is in a rotating way with the screw rod (202), two steering fluted disc supports (215) far away from one side of the electric cylinder (211) are respectively provided with a first steering fluted disc (208) and a second steering fluted disc (201) is respectively fixedly provided with a driving fluted disc (207), the driving side gear (214) is fixedly mounted on an output shaft of the driving motor (206), the driving side gear (214) is meshed with the first steering fluted disc (207) and the second steering fluted disc (208), side teeth are arranged on the first steering fluted disc (207) and the second steering fluted disc (208), a movable meshing disc (210) is arranged between the first steering fluted disc (207) and the second steering fluted disc (208), the movable meshing disc (210) is fixedly connected with a lead screw (202), tooth shapes meshed with the side teeth on the first steering fluted disc (207) and the second steering fluted disc (208) are arranged on the movable meshing disc (210), two auxiliary conical discs (220) are arranged at one end, far away from a bearing (213), a transition double-end conical disc (219) is arranged between the two auxiliary conical discs (220), a second elastic component support (216) and a extrusion bullet slider (209) are fixedly mounted on the steering fluted disc support (215), a extrusion bullet slider (209) is fixedly connected with a extrusion bullet head (218), and a extrusion bullet component (218) is arranged between the extrusion bullet head (218) and the second elastic component (218) The auxiliary conical disk (220) is in sliding fit with the lead screw (202).
2. The tightness detection device for fuel nozzles of an aircraft according to claim 1, wherein: the two ends of the spring (115) are fixedly connected with the detection moving plate (101) and the transverse bar (106) respectively, and the sliding rod (116) is arranged on the detection moving plate (101) in a sliding mode.
CN202310088402.0A 2023-02-09 2023-02-09 Tightness detection device for aircraft fuel nozzle Active CN115931253B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310088402.0A CN115931253B (en) 2023-02-09 2023-02-09 Tightness detection device for aircraft fuel nozzle

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Application Number Priority Date Filing Date Title
CN202310088402.0A CN115931253B (en) 2023-02-09 2023-02-09 Tightness detection device for aircraft fuel nozzle

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CN115931253A CN115931253A (en) 2023-04-07
CN115931253B true CN115931253B (en) 2023-05-30

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117415045B (en) * 2023-12-19 2024-03-01 江苏奕雯杰燃油喷射科技有限公司 Detection device for measuring tightness of multiple fuel nozzles

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CN214621608U (en) * 2021-04-19 2021-11-05 西安成立航空制造有限公司 Device for detecting tightness of fuel nozzle of aircraft engine
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DE102008035938A1 (en) * 2008-07-31 2010-04-08 Städtler und Beck GmbH Nozzle inspection system for three points sealing of channel system, has main tube and additional tube, which has two blocking rings with two inflatable sealing bags for sealing main tube
CN105092188A (en) * 2015-08-28 2015-11-25 高精科技(苏州)有限公司 Cleaning nozzle sealing detection apparatus
JP2018087713A (en) * 2016-11-28 2018-06-07 アズビル株式会社 Helium leak detector nozzle and helium leak detector system
CN107560800A (en) * 2017-05-24 2018-01-09 天津成立航空技术有限公司 A kind of fuel nozzle sealing property multi-function test stand and its test method
JP2018052500A (en) * 2018-01-16 2018-04-05 テイ・エス テック株式会社 Seat device
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