CN110666758B - A maintenance workbench for aircraft wing and horizontal stabilizer - Google Patents
A maintenance workbench for aircraft wing and horizontal stabilizer Download PDFInfo
- Publication number
- CN110666758B CN110666758B CN201910980378.5A CN201910980378A CN110666758B CN 110666758 B CN110666758 B CN 110666758B CN 201910980378 A CN201910980378 A CN 201910980378A CN 110666758 B CN110666758 B CN 110666758B
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- operation platform
- maintenance operation
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- safety
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- 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
- B25H1/16—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with provision for adjusting the bench top in height
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- 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
- B25H1/20—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with provision for shielding the work area
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The invention discloses an aircraft wing and horizontal stabilizer maintenance workbench which comprises a maintenance platform mechanism, a lifting driving mechanism and a movable supporting mechanism, wherein the maintenance platform mechanism comprises a maintenance operation platform, four side guardrails and two release positioning structures, the lifting driving mechanism is used for lifting and adjusting the height of the maintenance operation platform, and the movable supporting mechanism is used for adjusting the lifting driving mechanism and the horizontal position of the maintenance operation platform. This maintenance work platform utilizes four side guardrails can carry out safety protection to maintenance personnel in the use, and can incline four side guardrails to the outside and fall down under the effect of release location structure, can enough realize ductile safety protection all around at maintenance operation platform, can not constitute the threat to the wing under the aircraft is in lower jacking state again, has avoided dismantling the trouble of guardrail.
Description
Technical Field
The invention relates to a maintenance workbench, in particular to an aircraft winglet and horizontal stabilizer maintenance workbench.
Background
At present, the guardrail of the existing large-wing maintenance platform has a certain danger, when the aircraft is in different jacking states, the guardrail of the platform needs to be removed and detached, the existing guardrail is transversely protected by adopting chain connection, the central position of the chain connection is too low, and staff easily lose feet and fall. Therefore, it is necessary to design an aircraft winglet and horizontal stabilizer maintenance workbench, can go up and down to satisfy the use requirement that the aircraft is in under the different jacking states, and the guardrail can realize empting the setting, can also cooperate with lifting height when playing safety protection, and need not to remove and dismantle.
Disclosure of Invention
The invention aims to provide the maintenance workbench for the large wings and the horizontal stabilizer of the airplane, which can be lifted to meet the use requirements of the airplane in different lifting states, and the guardrails can be arranged in a tilting way, so that the safety protection is realized, and the maintenance workbench can be matched with the lifting height without removing and disassembling.
The invention creates the maintenance workbench for the large wing and the horizontal stabilizer of the airplane, which comprises a maintenance platform mechanism, a lifting driving mechanism and a movable supporting mechanism;
the maintenance platform mechanism comprises a maintenance operation platform, four side guardrails arranged on the periphery of the maintenance operation platform and two release positioning structures for releasing the four side guardrails to incline outwards;
the maintenance operation platform is arranged on the lifting driving mechanism, the lifting driving mechanism is used for lifting and adjusting the height of the maintenance operation platform, the lifting driving mechanism is arranged on the movable supporting mechanism, and the movable supporting mechanism is used for adjusting the horizontal positions of the lifting driving mechanism and the maintenance operation platform.
The side guardrail is composed of two swinging square tubes, at least two transverse handrails and at least two vertical handrails, wherein the transverse handrails are connected between the two swinging square tubes and are perpendicular to the swinging square tubes, the vertical handrails are simultaneously arranged on the transverse handrails and are perpendicular to the transverse handrails, the lower ends of the swinging square tubes are arranged on a maintenance operation platform in a swinging mode through a swinging rod hinging seat, a blocking limiting block used for blocking the swinging square tubes from swinging inwards is arranged on the swinging rod hinging seat, and when the swinging square tubes are tightly attached to the blocking limiting blocks, the swinging square tubes are perpendicular to the upper side face of the maintenance operation platform.
The two release positioning structures are respectively arranged at two vertex angles which are opposite to each other on the maintenance operation platform, each release positioning structure comprises two diverting pulleys, two release steel ropes, a rectangular frame, a rotating shaft, a driving worm wheel and a steel rope winding roller, the rectangular frame is fixedly arranged on the lower side surface of the vertex angle of the maintenance operation platform, the two diverting pulleys are arranged on the upper side surface of the vertex angle of the maintenance operation platform, the steel rope winding roller is rotatably arranged in the rectangular frame, the driving worm wheel and the steel rope winding roller are coaxially and fixedly arranged, the driving worm is rotatably arranged on the inner top of the rectangular frame through a worm support and meshed with the driving worm wheel, driven bevel gears are fixedly arranged at the end parts of shaft heads of the driving worm, the rotating shaft is vertically rotatably arranged on the upper side frame of the rectangular frame, the lower end of the rotating shaft stretches into the rectangular frame and is provided with the driving bevel gears meshed with the driven bevel gears, the upper end of the rotating shaft penetrates through the maintenance operation platform and is provided with the release rocking handles, one ends of the two release rope winding rollers are fixedly arranged on the upper end parts of the square tube, which are close to the vertex angles, the two steel ropes are rotatably arranged on the upper side frames of the rectangular frame, and the two steel ropes penetrate through the steel rope winding shafts and are fixedly arranged on the steel rope winding frames.
Further, at least one protection chain is connected between the two swinging square pipes at the top angle of the maintenance operation platform, one end of the protection chain is fixed on one of the swinging square pipes, the other end of the protection chain penetrates through a chain hole in the other swinging square pipe to enter the swinging square pipe, and a counterweight ball for pulling the protection chain is arranged at the end, located in the swinging square pipe, of the protection chain.
Further, two side edges of four vertex angles of the maintenance operation platform are respectively provided with a cantilever rod, and each cantilever rod is provided with a support cushion block for supporting the toppling swinging square tube.
The movable supporting mechanism comprises a rectangular supporting plate, four universal wheels and four supporting adjusting screws, wherein the four universal wheels are arranged on the lower side face of the rectangular supporting plate, supporting adjusting threaded holes are vertically formed in the four top corners of the rectangular supporting plate, the four supporting adjusting screws are respectively and spirally arranged on the four supporting adjusting threaded holes, supporting adjusting crank handles are fixedly arranged at the upper ends of the four supporting adjusting screws, and supporting discs are rotatably arranged at the lower ends of the four supporting adjusting screws.
Further, the lifting driving mechanism comprises two upper cross beams, two lower supporting rods, two upper supporting rods, a lifting driving motor and a lifting driving screw rod; the two upper cross beams are transversely arranged on the lower side surfaces of the maintenance operation platform in parallel, an upper side T-shaped chute is transversely arranged on the opposite inner side surfaces of the two upper cross beams, two lower cross beams are transversely arranged on the upper side surfaces of the rectangular supporting plate in parallel, a lower side T-shaped chute is transversely arranged on the opposite inner side surfaces of the two lower cross beams, the lower ends of the two lower supporting rods are arranged at the left ends of the two lower cross beams in a swinging mode through two supporting rod hinging seats, an upper supporting roller is rotatably arranged at the upper ends of the two lower supporting rods, the upper ends of the two upper supporting rods are rotatably arranged at the left ends of the two upper cross beams through two supporting rod hinging seats, a lower supporting roller is rotatably arranged at the upper ends of the two upper supporting rods, the two upper supporting rollers are partially embedded in the front and rear upper side T-shaped chute, the two lower supporting rollers are partially embedded in the front and rear lower side T-shaped chute, a driving longitudinal beam is fixedly arranged between the lower ends of the two lower supporting rods, the middle parts of the two supporting rods are provided with driving screw shafts, the driving longitudinal beam is rotatably arranged at the left ends of the two lower cross beams through two supporting rod hinging seats, the driving screw shafts are rotatably arranged at the middle parts of the two supporting shafts through the upper supporting rods and the middle parts of the driving shafts, and the driving shafts are rotatably arranged at the middle parts of the driving shafts.
Further, a lifting safety mechanism for preventing the maintenance operation platform from suddenly falling is arranged between the rectangular supporting plate and the front side and the rear side of the maintenance operation platform.
Further, the lifting safety mechanism comprises a safety stay bar, a T-shaped sliding block, a locking square bar, a locking pressure spring, an L-shaped bracket and a safety unlocking component; a safety T-shaped chute is transversely arranged on the front side edge and the rear side edge of the rectangular supporting plate; the T-shaped sliding blocks of the two lifting safety mechanisms are respectively and slidably arranged on the front and rear safety T-shaped sliding grooves, safety racks are transversely arranged at the bottoms of the safety T-shaped sliding grooves, strip-shaped through grooves which are convenient for the safety racks to pass through are transversely arranged on the lower side surfaces of the T-shaped sliding blocks, square lock holes which are vertically communicated with the strip-shaped through grooves are vertically arranged on the T-shaped sliding blocks, locking square rods are vertically inserted into the square lock holes, buckling ratchets used for buckling on the safety racks are arranged at the lower ends of the locking square rods, the lower ends of safety supporting rods of the two lifting safety mechanisms are respectively and pivotally arranged on the front and rear T-shaped sliding blocks through supporting rod hinged supports, the upper ends of the safety supporting rods of the two lifting safety mechanisms are pivotally arranged at the front and rear top corners of the right side edge of a maintenance operation platform, the L-shaped support is vertically and fixedly arranged on the T-shaped sliding blocks, the upper ends of locking pressure springs are fixedly arranged on the L-shaped support, the lower ends of the locking square rods are used for elastically pushing the locking square rods to move downwards, so that the buckling ratchets are buckled on the buckling ratchets when the T-shaped sliding blocks move leftwards, and the buckling ratchets are enabled to be separated from the safety racks in time, and the safety assemblies are enabled to be unlocked.
The safety unlocking assembly comprises an L-shaped plate, a bar-shaped pedal, two wire pipes and two drawing steel wires, wherein the L-shaped plate is fixedly arranged on the upper side face of a maintenance operation platform, one ends of the two wire pipes are fixedly arranged on the upper lateral plate of the L-shaped plate, the other ends of the two wire pipes are respectively fixedly arranged on the upper lateral rods of the two L-shaped brackets, the two drawing steel wires are respectively arranged in the two wire pipes in a penetrating mode, the drawing steel wires can be inserted into the wire pipes in a pulling mode, one ends of the two drawing steel wires respectively penetrate through the upper lateral rods of the two L-shaped brackets and then are arranged on the upper ends of the locking square rods, one end side edge of the bar-shaped pedal is hinged to the upper side face of the maintenance operation platform, the other ends of the two drawing steel wires penetrate through the upper lateral plates of the L-shaped plate and then are arranged on the other end side edge of the bar-shaped pedal, the bar-shaped pedal is lifted upwards under the elastic pulling action of the two drawing steel wires, and after the lifted ends of the bar-shaped pedal are pressed down, the drawing steel wires pull the locking square rods upwards.
Compared with the prior art, the aircraft lifting device has the advantages that four side guardrails can be used for carrying out safety protection on maintenance personnel in the use process, can be inclined outwards and laid down under the action of the release positioning structure, can realize the safety protection of ductility around a maintenance operation platform, cannot threat wings in a lower lifting state of the aircraft, avoid the trouble of disassembling guardrails, can adjust the height of the maintenance operation platform by utilizing the lifting driving mechanism, further meet the requirement of adjusting the lifting height of the aircraft in a large range, and can adjust the horizontal position of the maintenance operation platform by utilizing the movable supporting mechanism to meet the field use requirement.
Drawings
FIG. 1 is a schematic diagram of a front view of the present invention;
FIG. 2 is a schematic view of a part of the lifting safety mechanism according to the present invention;
FIG. 3 is a schematic cross-sectional view of a release positioning structure according to the present invention.
Detailed Description
The following describes the inventive technical scheme in detail with reference to the accompanying drawings, but the inventive scope of protection is not limited to the embodiments.
Example 1:
1-3, the aircraft winglet and horizontal stabilizer maintenance workbench disclosed by the invention comprises a maintenance platform mechanism, a lifting driving mechanism and a movable supporting mechanism;
The maintenance platform mechanism comprises a maintenance operation platform 1, four side guardrails arranged on the periphery of the maintenance operation platform 1 and two release positioning structures for releasing the four side guardrails to incline outwards;
The maintenance operation platform 1 is arranged on a lifting driving mechanism, the lifting driving mechanism is used for lifting and adjusting the height of the maintenance operation platform 1, the lifting driving mechanism is arranged on a movable supporting mechanism, and the movable supporting mechanism is used for adjusting the lifting driving mechanism and the horizontal position of the maintenance operation platform 1.
The four side guardrails can be used for carrying out safety protection on maintenance personnel in the use process, can be inclined outwards and can be inclined downwards under the action of the release positioning structure, the four side guardrails can be used for realizing the ductile safety protection on the periphery of the maintenance operation platform 1, the wing cannot be threatened in a lower lifting state of the aircraft, the trouble of disassembling the guardrails is avoided, the lifting driving mechanism can be used for adjusting the height of the maintenance operation platform 1, and therefore the requirement of adjusting the lifting height of the aircraft in a large range is further met, and the movable supporting mechanism can be used for adjusting the horizontal position of the maintenance operation platform 1, so that the field use requirement is met.
Further, the side guardrail is composed of two swing square pipes 11, three two transverse rails 26 and seven vertical rails 27, the transverse rails 26 are connected and arranged between the two swing square pipes 11, the transverse rails 26 are perpendicular to the swing square pipes 11, the vertical rails 27 are simultaneously arranged on the transverse rails 26, the vertical rails 27 are perpendicular to the transverse rails 26, the lower end of the swing square pipe 11 is arranged on the maintenance operation platform 1 in a swinging mode through a swinging rod hinging seat 49, a blocking limiting block used for blocking the swing square pipes 11 from swinging inwards is arranged on the swinging rod hinging seat 49, and when the swing square pipes 11 are tightly attached to the blocking limiting block, the swing square pipes 11 are perpendicular to the upper side face of the maintenance operation platform 1. The blocking limiting block is utilized to prevent the swinging square tube 11 from swinging inwards, so that the blocking limiting of the swinging square tube 11 is realized.
Further, two release positioning structures are respectively arranged at two vertex angles which are opposite to each other on the maintenance operation platform 1, each release positioning structure comprises two diverting pulleys 25, two release steel ropes 28, a rectangular frame 31, a rotating shaft 29, a driving worm 35, a driving worm wheel 36 and a steel rope roller 39, the rectangular frame 31 is fixedly arranged on the lower side surface of the vertex angle of the maintenance operation platform 1, the two diverting pulleys 25 are arranged on the upper side surface of the vertex angle of the maintenance operation platform 1, the steel rope roller 39 is rotatably arranged in the rectangular frame 31, the driving worm wheel 36 and the steel rope roller 39 are coaxially and fixedly arranged, the driving worm 35 is rotatably arranged on the inner top of the rectangular frame 31 through a worm support 34, the driving worm 35 is meshed with the driving worm wheel 36, driven bevel gears 33 are fixedly arranged at the shaft head ends of the driving worm 35, the rotating shaft 29 is vertically rotatably arranged on the upper side frame of the rectangular frame 31, the lower end of the rotating shaft 29 stretches into the rectangular frame 31, driving bevel gears 32 meshed with the driven bevel gears 33 are arranged on the stretching-in end, the upper end of the rotating shaft 29 penetrates through the maintenance operation platform 1, the upper end of the rotating shaft 29 penetrates through the rectangular frame 31, the two side frames are respectively arranged at the two ends of the two rotating shafts 30 near the two ends of the steel rope roller 31, and the two ends of the steel rope roller 28 are fixedly arranged at the two ends of the two side of the steel rope roller 28, which penetrates the steel rope roller 31 and is fixedly arranged at the two ends of the upper ends of the steel rope roller 11 and is respectively arranged at the opposite sides of the two ends of the steel rope roller side. The two release positioning structures are respectively arranged at two opposite corners of the maintenance operation platform 1, so that four release steel ropes 28 are used for dumping and releasing four side guardrails, a rotation transmission structure is formed by a driving worm 35 and a driving worm wheel 36, positioning can be performed after adjustment, the release steel ropes 28 are prevented from being pulled reversely, the two steering pulleys 25 can be used for realizing steering of the two release steel ropes 28, and friction force when penetrating through the maintenance operation platform 1 and the rectangular frame 31 is reduced.
Further, two protection chains 22 are connected between two swing square pipes 11 at the top angle of the maintenance operation platform 1, one end of each protection chain 22 is fixed on one swing square pipe 11, the other end of each protection chain 22 penetrates through a chain hole 20 on the other swing square pipe 11 to enter the swing square pipe 11, and a counterweight ball 21 for pulling the protection chain 22 is arranged at the end of each protection chain 22 located in the swing square pipe 11. The setting of utilizing two protection chains 22 can protect the neutral position that the apex angle department formed after the side guardrail emptys, can also form the pulling force between two adjacent side guardrails, strengthen the stability after empting.
Further, two overhanging rods 23 are respectively arranged at the edges of the two sides of the four top corners of the maintenance operation platform 1, and a supporting cushion block 24 for supporting the toppling swinging square tube 11 is respectively arranged on each overhanging rod 23. The swinging square tube 11 which is toppled can be supported by the supporting cushion blocks 24 arranged on the cantilever rods 23, and stability of the side guardrails after toppling is ensured.
Further, the movable supporting mechanism comprises a rectangular supporting plate 2, four universal wheels 8 and four supporting adjusting screws 9, wherein the four universal wheels 8 are arranged on the lower side face of the rectangular supporting plate 2, supporting adjusting threaded holes are vertically formed in the four top corners of the rectangular supporting plate 2, the four supporting adjusting screws 9 are respectively and rotatably arranged on the four supporting adjusting threaded holes, a supporting adjusting crank 10 is fixedly arranged at the upper ends of the four supporting adjusting screws 9, and a supporting disc 12 is rotatably arranged at the lower ends of the four supporting adjusting screws 9. The four universal wheels 8 are utilized to facilitate movement, the four supporting adjusting screws 9 are utilized to adjust the supporting heights of the four vertex angles, the requirement of levelness adjustment is met, and the stable supporting effect can be achieved in the lifting and disassembling process.
Further, the lifting driving mechanism comprises two upper cross beams 18, two lower cross beams 19, two lower supporting rods 4, two upper supporting rods 50, a lifting driving motor 14 and a lifting driving screw 16; the two upper cross beams 18 are transversely arranged on the lower side surface of the maintenance operation platform 1 in parallel, and an upper T-shaped chute is transversely arranged on the opposite inner side surfaces of the two upper cross beams 18; the two lower cross beams 19 are transversely arranged on the upper side surfaces of the rectangular supporting plates 2 in parallel, a lower side T-shaped chute is transversely arranged on the opposite inner side surfaces of the two lower cross beams 19, the lower ends of the two lower supporting rods 4 are arranged at the left ends of the two lower cross beams 19 in a swinging mode through two supporting rod hinging seats 3, the upper ends of the two lower supporting rods 4 are rotatably provided with an upper supporting roller, the upper ends of the two upper supporting rods 50 are arranged at the left ends of the two upper cross beams 18 in a swinging mode through the two supporting rod hinging seats 3, the upper ends of the two upper supporting rods 50 are rotatably provided with a lower supporting roller, the two upper supporting rollers are embedded in the front and rear upper side T-shaped chute, the two lower supporting rollers are embedded in the front and rear lower side T-shaped chute, a driving longitudinal beam 5 is fixedly arranged between the lower ends of the two upper supporting rods 50, the middle of the driving longitudinal beam 5 is provided with a lifting driving threaded hole, the lifting driving screw 16 is rotatably arranged at the middle part of the driving longitudinal beam 5, the upper end of the lifting driving shaft 16 is rotatably arranged at the left end of the rectangular supporting plates 2 through a screw support 15, the upper end of the lifting shaft is rotatably arranged at the middle part of the opposite upper supporting rod 2, the lifting shaft is rotatably connected with the driving screw 16 at the middle part of the lifting threaded shaft 4 through the driving shaft 16, the lifting threaded shaft is arranged at the middle part of the front end of the driving shaft 4, the rear lower stay 4 and the upper stay 50 are also hinged together at the middle position by a pin shaft. The lifting drive of the maintenance operation platform 1 can be realized by the lifting drive mechanism.
Further, a lifting safety mechanism for preventing the maintenance operation platform 1 from suddenly falling down is installed between the rectangular support plate 2 and the front and rear sides of the maintenance operation platform 1. After the maintenance operation platform 1 is lifted up, the two lifting safety mechanisms can prevent the maintenance operation platform 1 from suddenly falling down due to the fact that the lifting driving screw 16 slides or the driving longitudinal beam 5 is broken, and the function of standby safety protection is achieved.
Further, the lifting safety mechanism comprises a safety stay bar 17, a T-shaped sliding block 13, a locking square bar 43, a locking pressure spring 45, an L-shaped bracket 44 and a safety unlocking component; a safety T-shaped chute 6 is transversely arranged on the front side and the rear side of the rectangular supporting plate 2; the T-shaped sliding blocks 13 of the two lifting safety mechanisms are respectively and slidably arranged on the front and rear safety T-shaped sliding grooves 6, safety racks 7 are transversely arranged at the bottoms of the groove bottoms of the front and rear safety T-shaped sliding grooves 6, strip-shaped through grooves 37 which are convenient for the safety racks 7 to pass through are transversely arranged on the lower side surfaces of the T-shaped sliding blocks 13, square lock holes 38 which are vertically communicated with the strip-shaped through grooves 37 are vertically arranged on the T-shaped sliding blocks 13, locking square rods 43 are vertically inserted into the square lock holes 38, buckling ratchets 47 which are used for being buckled on the safety racks 7 are arranged at the lower end parts of the locking square rods 43, the lower ends of the safety supporting rods 17 of the two lifting safety mechanisms are respectively and swingably arranged on the front and rear T-shaped sliding blocks 13 through supporting rod hinged supports 48, the upper ends of the safety supporting rods 17 of the two lifting safety mechanisms are swingably and hinged at the front and rear vertex angles of the right side edges of the maintenance operation platform 1, L-shaped brackets 44 are vertically fixedly arranged on the T-shaped sliding blocks 13, the upper ends of locking pressure springs 45 are fixedly arranged on the L-shaped brackets 44, the lower ends of the locking square rods 43 are fixedly arranged on the locking square brackets 43, the lower ends of the locking square rods 43 are used for pushing the locking square rods 43 to be buckled on the locking square racks 7, and the locking square racks 43 are used for enabling the locking and the locking springs to be in a timely moving mode, and the locking assembly is used for unlocking the locking of the locking assembly. The locking pressure spring 45 is utilized to elastically push the locking square rod 43 to move downwards, so that the buckling ratchet 47 is buckled on the safety rack 7 in time when the T-shaped sliding block 13 moves leftwards, and is not influenced when the T-shaped sliding block 13 moves rightwards, and the locking square rod 43 can be lifted by utilizing the safety unlocking component when the maintenance operation platform 1 normally controls descending, so that normal descending operation is not influenced.
Further, the safety unlocking assembly comprises an L-shaped plate 46, a bar-shaped pedal 42, two wire pipes 40 and two drawing steel wires 41, wherein the L-shaped plate 46 is fixedly installed on the upper side surface of the maintenance operation platform 1, one ends of the two wire pipes 40 are fixedly installed on the upper lateral plate of the L-shaped plate 46, the other ends of the two wire pipes 40 are respectively fixedly installed on the upper lateral rods of the two L-shaped brackets 44, the two drawing steel wires 41 are respectively penetrated into the two wire pipes 40, the drawing steel wires 41 can be pulled and inserted in the wire pipes 40, one ends of the two drawing steel wires 41 respectively penetrate through the upper lateral rods of the two L-shaped brackets 44 and then are installed on the upper ends of the locking square rods 43, one end side edge of the bar-shaped pedal 42 is hinged and installed on the upper side surface of the maintenance operation platform 1, the other ends of the two drawing steel wires 41 penetrate through the upper lateral plates of the L-shaped pedal 42 and are respectively and are lifted up under the elastic pulling action of the two drawing steel wires 41, and after the lifting ends of the pedal 42 are pressed down, the drawing steel wires 41 are pulled up. The combined structure of the spool 40 and the drawing steel wire 41 can realize drawing of the locking square rod 43, so that after a serviceman steps on the bar-shaped pedal 42, the locking square rod 43 is lifted upwards, the buckle ratchet 47 is separated from the safety rack 7 to unlock, and the spool 40 and the drawing steel wire 41 adopt the existing brake spool and brake cable similar to a bicycle.
As described above, while the present invention has been shown and described with reference to certain preferred embodiments, it is not to be construed as limiting the invention itself. Various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910980378.5A CN110666758B (en) | 2019-10-15 | 2019-10-15 | A maintenance workbench for aircraft wing and horizontal stabilizer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910980378.5A CN110666758B (en) | 2019-10-15 | 2019-10-15 | A maintenance workbench for aircraft wing and horizontal stabilizer |
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| CN110666758A CN110666758A (en) | 2020-01-10 |
| CN110666758B true CN110666758B (en) | 2025-05-27 |
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| CN201910980378.5A Active CN110666758B (en) | 2019-10-15 | 2019-10-15 | A maintenance workbench for aircraft wing and horizontal stabilizer |
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| CN116494170A (en) * | 2023-06-29 | 2023-07-28 | 四川省嘉绮瑞航空装备有限公司 | Positioning and clamping device for assembling front flap in airplane |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109625313A (en) * | 2019-02-28 | 2019-04-16 | 广州新科宇航科技有限公司 | A kind of workbench for aircraft wing maintenance and inspection |
| CN210790891U (en) * | 2019-10-15 | 2020-06-19 | 广州新科宇航科技有限公司 | An aircraft wing and horizontal stabilizer maintenance workbench |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107414753B (en) * | 2017-06-09 | 2023-03-10 | 深圳耀天齐技术服务有限公司 | Aircraft undercarriage dismouting equipment |
| CN107161190B (en) * | 2017-06-28 | 2023-02-17 | 南京工业职业技术学院 | An aircraft seat carrier |
| WO2019107600A1 (en) * | 2017-11-29 | 2019-06-06 | 한국에너지종합기술(주) | Platform for maintenance of wind power generator |
| CN110065650B (en) * | 2019-05-24 | 2024-03-12 | 凌云(宜昌)航空装备工程有限公司 | Work platform for repairing aircraft nose of electric lifting aircraft |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109625313A (en) * | 2019-02-28 | 2019-04-16 | 广州新科宇航科技有限公司 | A kind of workbench for aircraft wing maintenance and inspection |
| CN210790891U (en) * | 2019-10-15 | 2020-06-19 | 广州新科宇航科技有限公司 | An aircraft wing and horizontal stabilizer maintenance workbench |
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Inventor after: Zhu Pengcheng Inventor after: Liu Jianping Inventor after: Liao Jinliang Inventor after: Lin Zhixian Inventor before: Luo Xide Inventor before: Zhu Pengcheng Inventor before: Liu Jianping Inventor before: Liao Jinliang Inventor before: Lin Zhixian |
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