CN215439473U

CN215439473U - Adjustable lifting platform for overhauling civil aircraft

Info

Publication number: CN215439473U
Application number: CN202120963873.8U
Authority: CN
Inventors: 孙明军
Original assignee: Tianjin Execujet Haite Aviation Services Co ltd
Current assignee: Tianjin Execujet Haite Aviation Services Co ltd
Priority date: 2021-05-07
Filing date: 2021-05-07
Publication date: 2022-01-07
Anticipated expiration: 2031-05-07

Abstract

The utility model provides an adjustable lifting platform for overhauling a civil aviation passenger plane, which comprises a movable base, a lifting base and an auxiliary platform, wherein a first lifting mechanism and a synchronous supporting mechanism are arranged between the movable base and the lifting base, a power mechanism is arranged on the movable base and used for synchronously driving the first lifting mechanism and the synchronous supporting mechanism, and a pitching mechanism is arranged between the auxiliary platform and the lifting base. According to the adjustable lifting platform for overhauling the civil aircraft, which is manufactured by the technical scheme of the utility model, the synchronous supporting mechanism and the first lifting mechanism are synchronously driven by the power mechanism, so that the stability of the lifting base at any height can be ensured, and the working synchronism of the lifting base and the lifting base can be ensured.

Description

Adjustable lifting platform for overhauling civil aircraft

Technical Field

The utility model belongs to the technical field of overhaul of civil aviation airliners, and particularly relates to an adjustable lifting platform for overhaul of a civil aviation airliner.

Background

Civil aviation passenger plane is a flight vehicle who is used for carrying passenger, and its size is huge, and the requirement to the security is high simultaneously, and consequently, civil aviation passenger plane often need overhaul before carrying out the flight task to guarantee the intact of organism each part, in time get rid of the problem, and at the maintenance in-process of civil aviation passenger plane, lift platform is indispensable, is as disclosing the number: CN209113412U discloses an adjustable lifting platform for civil aviation passenger plane maintenance, which forms a dual lifting adjustment platform, wherein the two lifting platforms can be lifted and lowered respectively, so as to facilitate clamping and maintaining a narrow part, but the technical solution in the patent still has the following problems:

1. the first working platform is driven to lift only by the first lifting mechanism, and when the lifting height of the first working platform is gradually increased, the supporting stability of the first lifting mechanism is gradually reduced, so that the first lifting mechanism cannot completely meet the supporting requirement on the first working platform;

2. after the second working platform is connected with the first working platform through the connecting lug, the second working platform can only present a single angle to work, and is difficult to clamp an inclined target, so that the adaptability is not strong in the practical process, and the overhauling requirement cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and designs an adjustable lifting platform for overhauling a civil aircraft.

The technical scheme of the utility model is that the adjustable lifting platform for overhauling the civil aviation passenger plane comprises a movable base, a lifting base and an auxiliary platform, wherein a first lifting mechanism and a synchronous supporting mechanism are arranged between the movable base and the lifting base, a power mechanism is arranged on the movable base and used for synchronously driving the first lifting mechanism and the synchronous supporting mechanism, and a pitching mechanism is arranged between the auxiliary platform and the lifting base.

First elevating system includes first lifter, first elevating screw and slider, first lifter has 2 to be the fork setting and rotate at the cross point department and meet mutually, first elevating screw rotating turret establishes on removing the base, slider slidable mounting just overlaps through screw-thread fit cover on removing the base and on first elevating screw, the top movable mounting of first lifter connects on the slider just its bottom rotation on elevating base's bottom surface.

The middle part cover of first lift lead screw is equipped with lift transmission helical gear, screw-thread fit's between the thick stick body that first lift lead screw is located lift transmission helical gear both sides and the slider drive ratio is the same and transmission direction is opposite.

The synchronous supporting mechanism comprises a guide rod, a sleeve and a supporting rod, the guide rod is arranged on the movable base and is respectively arranged on two sides of the first lifting mechanism, the sleeve is rotatably arranged in the movable base and is coaxial with the guide rod, and the supporting rod is inserted between the guide rod and the sleeve.

Sliding fit is carried out between the supporting rod and the guide rod, the supporting rod and the sleeve are in threaded fit, a supporting transmission gear is sleeved on the sleeve, and a chain is sleeved between the supporting transmission gears.

The power mechanism comprises a power motor, a power shaft, a supporting driving gear and a lifting driving bevel gear, the power motor is installed in the movable base, the power shaft is installed in the movable base in a rotating mode, the supporting driving gear is sleeved on the power shaft and meshed with the chain, and the lifting driving bevel gear is sleeved on the power shaft and meshed with the lifting driving bevel gear.

Every single move mechanism includes the every single move cylinder, the cylinder body of every single move cylinder rotates and installs on the lift base, the flexible end of every single move cylinder rotates to connect establishes on auxiliary platform, rotate between auxiliary platform and the lift base and connect mutually.

The utility model discloses a positioning device, including auxiliary platform, location axle, jackshaft, second elevating system, jackshaft, screw thread cooperation cartridge, the last mount pad that connects through second elevating system of auxiliary platform, second elevating system includes second lifter, sliding seat, location axle, jackshaft and second elevating screw, sliding seat slidable mounting is on auxiliary platform respectively, the location axle is installed on the mount pad, the location axle both sides are located respectively to the second lifter symmetry formula and all rotate with the location axle and meet, the jackshaft rotates respectively to peg graft in the second lifter of homonymy, second elevating screw passes through the screw thread cooperation cartridge in the jackshaft.

The auxiliary platform is provided with an auxiliary motor, an output shaft of the auxiliary motor is connected with a second lifting screw rod through a belt, the second lifting screw rod is in threaded fit with the two intermediate shafts, the transmission directions are opposite, the transmission ratios are the same, and the mounting seat is provided with a pneumatic finger.

The bottom of moving base is provided with crawler, crawler includes branch, removal wheel and track, branch equidistance connects to be established on moving base's bottom surface, it rotates to install on branch to remove the wheel, the track cover is established between removing the wheel.

The adjustable lifting platform for overhauling the civil aircraft manufactured by the technical scheme of the utility model has the following beneficial effects:

1. the lifting base is simultaneously supported by the first lifting mechanism and the synchronous supporting mechanism, so that the stability of the lifting base at any height can be ensured, and meanwhile, the synchronous supporting mechanism and the first lifting mechanism are synchronously driven by the power mechanism, so that the working synchronism of the lifting base and the first lifting mechanism is ensured, and the occurrence of faults is avoided;

2. be provided with every single move mechanism between auxiliary platform and the lift base, every single move mechanism can drive auxiliary platform and carry out every single move for the lift base, adjusts auxiliary platform's angle, is convenient for press from both sides tight the maintenance to complicated position.

Drawings

FIG. 1 is a schematic view of the overall structure;

FIG. 2 is a schematic view of the installation structure of the guide rod, the sleeve and the support rod;

fig. 3 is an enlarged view of the structure of fig. 1 in a circle.

In the figure: 1. moving the base; 2. a lifting base; 3. an auxiliary platform; 4. a first lifting rod; 5. a first lifting screw; 6. a slider; 7. lifting transmission bevel gears; 8. a guide bar; 9. a sleeve; 10. a support bar; 11. supporting the transmission gear; 12. a chain; 13. a power motor; 14. a power shaft; 15. supporting the drive gear; 16. lifting and driving the bevel gear; 17. a pitching cylinder; 18. a mounting seat; 20. a second lifting rod; 21. a sliding seat; 22. positioning the shaft; 23. an intermediate shaft; 24. a second lifting screw; 25. An auxiliary motor; 26. a pneumatic finger; 27. a strut; 28. a moving wheel; 29. a crawler belt.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings, and as shown in fig. 1, an adjustable lifting platform for overhauling a civil aircraft includes a moving base 1, a lifting base 2, and an auxiliary platform 3, a first lifting mechanism and a synchronous supporting mechanism are disposed between the moving base 1 and the lifting base 2, a power mechanism is disposed on the moving base 1 and used for synchronously driving the first lifting mechanism and the synchronous supporting mechanism, and a pitching mechanism is disposed between the auxiliary platform 3 and the lifting base 2.

In the utility model, a lifting base 2 is arranged on a moving base 1 through a first lifting mechanism, the moving base 1 can move on the bottom surface, the lifting base 2 can carry out lifting motion relative to the moving base 1 under the drive of the first lifting mechanism, meanwhile, a synchronous supporting mechanism is also arranged between the moving base 1 and the lifting base 2, the lifting base 2 can be further supported, the problem that the lifting base 2 is not good in supporting performance when being positioned at a higher position is avoided, further, a power mechanism is arranged on the moving base 1, the power mechanism can synchronously drive the first lifting mechanism and the synchronous supporting mechanism to work, the cooperativeness of the two mechanisms is ensured, an auxiliary platform 3 is used for overhauling a narrow position, and a pitching mechanism is arranged between the auxiliary platform 3 and the lifting base 2, and can carry out pitching motion relative to the lifting base 2, the position of complicated angle is convenient for press from both sides tight the maintenance.

First elevating system includes first lifter 4, first elevating screw 5 and slider 6, first lifter 4 has 2 to be the fork setting and meet mutually in the rotation of cross point department, first elevating screw 5 rotating turret establishes on removing

base

1, 6 slidable mounting of slider are on removing base 1 and establish on first elevating screw 5 through the screw-thread fit cover, the top movable mounting of first lifter 4 is on the bottom surface of elevating base 2 and its bottom rotates to connect and establishes on slider 6, the middle part cover of first elevating screw 5 is equipped with lift transmission helical gear 7, screw-thread fit's drive ratio is the same and transmission opposite direction between the thick stick body that first elevating screw 5 is located lift transmission helical gear 7 both sides and slider 6.

The first lifting screw 5 is rotatably erected on the movable base 1, the sliding block 6 is slidably installed on the movable base 1, the sliding block 6 is sleeved on the first lifting screw 5 through thread fit, the middle part of the first lifting screw 5 is sleeved with a lifting transmission helical gear 7, the transmission ratio of the thread fit between the bar bodies of the first lifting screw 5 positioned at two sides of the lifting transmission helical gear 7 and the sliding block 6 is the same, and the transmission direction is opposite, so when the first lifting screw 5 rotates, the sliding block 6 can be driven to slide on the movable base 1 at the same speed in opposite directions, the first lifting rods 4 are arranged in a crossed manner and are hinged with each other at the crossed point, the bottom end of the first lifting rod 4 is rotatably installed on the sliding block 6, the top end of the first lifting rod 4 is movably connected to the bottom surface of the lifting base 2, so when the sliding blocks 6 are close to each other, the lifting base 2 can be driven to ascend through the first lifting rod 4, correspondingly, when the sliding blocks 6 are far away from each other, the lifting base 2 can be carried by the first lifting rod 4 to descend.

As shown in fig. 2, the synchronous supporting mechanism includes a guide bar 8, a sleeve 9 and a support bar 10, the guide bar 8 is disposed on the movable base 1 and disposed on two sides of the first lifting mechanism, the sleeve 9 is rotatably mounted in the movable base 1 and coaxially disposed with the guide bar 8, the support bar 10 is inserted between the guide bar 8 and the sleeve 9, the support bar 10 and the guide bar 8 are in sliding fit, the support bar 10 and the sleeve 9 are in threaded fit, a supporting transmission gear 11 is sleeved on the sleeve 9, and a chain 12 is sleeved between the supporting transmission gear 11.

In the utility model, the synchronous supporting mechanism comprises a guide rod 8, a sleeve 9 and a supporting rod 10, the guide rod 8 is arranged on the moving base 1 and is respectively arranged at two sides of the first lifting mechanism, the sleeve 9 is rotatably arranged on the moving base 1 and is coaxially arranged with the guide rod 8, a supporting transmission gear 11 is sleeved on the sleeve 9, a chain 12 is sleeved between the supporting transmission gears 11, synchronous rotation of the sleeve 9 can be realized, the supporting rod 10 is inserted between the guide rod 8 and the sleeve 9, meanwhile, the supporting rod 10 can slide relative to the guide rod 8, and the supporting rod 10 is matched with the sleeve 9 through threads, so that the supporting rod 10 can be driven to lift along the guide rod 8 when the sleeve 9 rotates.

The power mechanism comprises a power motor 13, a power shaft 14, a supporting driving gear 15 and a lifting driving bevel gear 16, wherein the power motor 13 is installed in the movable base 1, the power shaft 14 is installed in the movable base 1 in a rotating mode, the supporting driving gear 15 is sleeved on the power shaft 14 and meshed with the chain 12, and the lifting driving bevel gear 16 is sleeved on the power shaft 14 and meshed with the lifting driving bevel gear 7.

The power motor 13 is installed in the movable base 1, the power shaft 14 is rotatably installed in the movable base 1 and connected with an output shaft of the power motor 13, the support driving gear 15 and the lifting driving bevel gear 16 are both sleeved on the power shaft 14, the support driving gear 15 is meshed with the chain 12, and the lifting driving bevel gear 16 is meshed with the lifting driving bevel gear 7, so that after the power motor 13 is started, the power shaft 14 is driven to rotate, the sleeve 9 and the slider 6 are synchronously driven to move through the support driving gear 15 and the lifting driving bevel gear 16, and the first lifting mechanism and the synchronous supporting mechanism work in a cooperative mode.

Every single move mechanism includes every single move cylinder 17, every single move cylinder 17's cylinder body rotates and installs on lift base 2, every single move cylinder 17's flexible end rotates to connect and establishes on auxiliary platform 3, it meets to rotate between auxiliary platform 3 and the lift base 2.

Every single move mechanism includes every single move cylinder 17, and every single move cylinder 17's cylinder body rotates and installs on lift base 2, and every single move cylinder 17's flexible end then rotates and installs on auxiliary platform 3, and the rotation is connected between auxiliary platform 3 and the lift base 2 simultaneously, so can drive auxiliary platform 3 and carry out the pitching motion for lift base 2 when every single move cylinder 17 stretches out and draws back, change auxiliary platform 3 for the angle of lift base 2 to complicated position is overhauld on the civil aviation passenger plane.

As shown in fig. 3, the auxiliary platform 3 is connected with a mounting seat 18 through a second lifting mechanism, the second lifting mechanism includes a second lifting rod 20, a sliding seat 21, a positioning shaft 22, intermediate shafts 23 and a second lifting screw 24, the sliding seats 21 are respectively slidably mounted on the auxiliary platform 3, the positioning shaft 22 is mounted on the mounting seat 18, the second lifting rods 20 are symmetrically disposed on two sides of the positioning shaft 22 and are respectively rotatably connected with the positioning shaft 22, the intermediate shafts 23 are respectively rotatably inserted into the second lifting rods 20 on the same side, the second lifting screw 24 is inserted into the intermediate shafts 23 through screw thread fit, an auxiliary motor 25 is disposed on the auxiliary platform 3, an output shaft of the auxiliary motor 25 is connected with the second lifting screw 24 through a belt, the screw thread fit transmission directions of the second lifting screw 24 and the two intermediate shafts 23 are opposite and the transmission ratios are the same, a pneumatic finger 26 is mounted on the mounting block 18.

In the utility model, an auxiliary platform 3 is connected with a mounting seat 18 through a second lifting mechanism, in the second lifting mechanism, a sliding seat 21 is slidably mounted on the auxiliary platform 3, a positioning shaft 22 is mounted on the mounting seat 18, second lifting rods 20 are symmetrically arranged on two sides of the positioning shaft 22 and are rotatably connected with the positioning shaft 22, intermediate shafts 23 are respectively rotatably inserted in the second lifting rods 20 on the same side, second lifting screw rods 24 are inserted in the intermediate shafts 23 through thread fit, an auxiliary cylinder is arranged on the auxiliary platform 3, an output shaft of the auxiliary cylinder is connected with the second lifting screw rods 24 through a belt, and the transmission directions of the thread fit between the second lifting screw rods 24 and the two intermediate shafts 23 are opposite but the transmission ratio is the same, so that the auxiliary motor 25 drives the second lifting screw rods 24 to rotate after being started, the sliding seat 21 can be pushed to move on the auxiliary platform, make jackshaft 23 be close to each other or keep away from to drive and the motion of second lifter 20, change the height of mount pad 18, further install pneumatic finger 26 on the mount pad 18, can press from both sides tightly through starting the finger, easy to overhaul.

The bottom of moving base 1 is provided with track 29 mechanism, track 29 mechanism includes branch 27, removes wheel 28 and track 29, branch 27 equidistance connects to be established on moving base 1's bottom surface, remove wheel 28 and rotate and install on branch 27, track 29 cover is established between removing wheel 28.

The bottom of the movable base 1 is provided with a crawler 29 mechanism for facilitating the movement of the movable base 1, and the crawler 29 mechanism comprises a supporting rod 27, movable wheels 28 and a crawler 29, wherein the supporting rod 27 is uniformly arranged at the bottom of the movable base 1, the movable wheels 28 are rotatably arranged on the supporting rod 27, the crawler 29 is sleeved between the movable wheels 28, and the movable base 1 can be moved by the rotation of the movable wheels 28 and the transmission of the crawler 29.

The adjustable lifting platform for overhauling the civil aircraft manufactured by the technical scheme of the utility model simultaneously supports the lifting base through the first lifting mechanism and the synchronous supporting mechanism, can ensure the stability of the lifting base no matter at any height, simultaneously ensures the working synchronism of the lifting base and the first lifting mechanism through synchronous driving of the power mechanism, avoids faults, and simultaneously is provided with the pitching mechanism between the auxiliary platform and the lifting base, and can drive the auxiliary platform to pitch relative to the lifting base through the pitching mechanism, adjust the angle of the auxiliary platform and facilitate clamping and overhauling of complex positions.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the utility model. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.

Claims

1. The utility model provides a civil aviation passenger plane overhauls with adjustable type lift platform, is including removing base (1), lifting base (2) and auxiliary platform (3), its characterized in that: a first lifting mechanism and a synchronous supporting mechanism are arranged between the movable base (1) and the lifting base (2), a power mechanism is arranged on the movable base (1) and used for synchronously driving the first lifting mechanism and the synchronous supporting mechanism, and a pitching mechanism is arranged between the auxiliary platform (3) and the lifting base (2).

2. The adjustable lifting platform for overhauling a civil aircraft as claimed in claim 1, wherein: first elevating system includes first lifter (4), first lifting screw (5) and slider (6), first lifter (4) have 2 to be the fork setting and rotate at the cross point department and meet mutually, first lifting screw (5) are rotated and are erect on removing base (1), slider (6) slidable mounting just overlaps through screw-thread fit cover on removing base (1) and on first lifting screw (5), the top movable mounting of first lifter (4) is on the bottom surface of lifting base (2) and its bottom rotates to connect and establishes on slider (6).

3. The adjustable lifting platform for overhauling a civil aircraft as claimed in claim 2, wherein: the middle part cover of first lift lead screw (5) is equipped with lift transmission helical gear (7), screw-thread fit's between the thick stick body that first lift lead screw (5) are located lift transmission helical gear (7) both sides and slider (6) drive ratio is the same and transmission direction is opposite.

4. The adjustable lifting platform for overhauling a civil aircraft as claimed in claim 1, wherein: synchronous supporting mechanism includes guide bar (8), sleeve pipe (9) and bracing piece (10), guide bar (8) set up on moving base (1) and divide and locate a elevating system's both sides, sleeve pipe (9) rotate install move base (1) in and with guide bar (8) coaxial setting, bracing piece (10) cartridge is between guide bar (8) and sleeve pipe (9).

5. The adjustable lifting platform for overhauling a civil aircraft as claimed in claim 4, wherein: sliding fit between bracing piece (10) and guide bar (8), through screw-thread fit between bracing piece (10) and sleeve pipe (9), the cover is equipped with support drive gear (11) on sleeve pipe (9), the cover is equipped with chain (12) between support drive gear (11).

6. The adjustable lifting platform for overhauling a civil aircraft as claimed in claim 1, wherein: the power mechanism comprises a power motor (13), a power shaft (14), a supporting driving gear (15) and a lifting driving bevel gear (16), wherein the power motor (13) is installed in a movable base (1), the power shaft (14) is installed in the movable base (1) in a rotating mode, the supporting driving gear (15) is sleeved on the power shaft (14) and meshed with a chain (12), and the lifting driving bevel gear (16) is sleeved on the power shaft (14) and meshed with a lifting driving bevel gear (7).

7. The adjustable lifting platform for overhauling a civil aircraft as claimed in claim 1, wherein: every single move mechanism includes every single move cylinder (17), the cylinder body of every single move cylinder (17) rotates and installs on lift base (2), the flexible end of every single move cylinder (17) rotates to connect and establishes on auxiliary platform (3), rotate between auxiliary platform (3) and the lift base (2) and connect mutually.

8. The adjustable lifting platform for overhauling a civil aircraft as claimed in claim 1, wherein: the auxiliary platform (3) is connected with a mounting seat (18) through a second lifting mechanism, the second lifting mechanism comprises a second lifting rod (20), a sliding seat (21), a positioning shaft (22), an intermediate shaft (23) and a second lifting screw (24), the sliding seat (21) is respectively slidably mounted on the auxiliary platform (3), the positioning shaft (22) is mounted on the mounting seat (18), the second lifting rod (20) is symmetrically arranged on two sides of the positioning shaft (22) and is rotatably connected with the positioning shaft (22), the intermediate shaft (23) is respectively rotatably connected with the second lifting rod (20) on the same side, and the second lifting screw (24) is inserted into the intermediate shaft (23) through threaded fit.

9. The adjustable lifting platform for overhauling a civil aircraft as claimed in claim 8, wherein: the auxiliary platform (3) is provided with an auxiliary motor (25), an output shaft of the auxiliary motor (25) is connected with a second lifting screw rod (24) through a belt, the second lifting screw rod (24) is in threaded fit with two intermediate shafts (23), the transmission directions are opposite, the transmission ratio is the same, and a pneumatic finger (26) is mounted on the mounting seat (18).

10. The adjustable lifting platform for overhauling a civil aircraft as claimed in claim 1, wherein: the bottom of removing base (1) is provided with crawler, crawler includes branch (27), removes wheel (28) and track (29), branch (27) equidistance connects to be established on the bottom surface of removing base (1), it rotates and installs on branch (27) to remove wheel (28), track (29) cover is established and is removed between wheel (28).