CN218055670U

CN218055670U - Device for mounting tire of undercarriage

Info

Publication number: CN218055670U
Application number: CN202222692837.XU
Authority: CN
Inventors: 周振宇; 袁理; 贾伟强; 鲍风; 郭力; 卞舜能
Original assignee: Liebherr China Hangqi Aviation Changsha Co ltd
Current assignee: Liebherr China Hangqi Aviation Changsha Co ltd
Priority date: 2022-10-13
Filing date: 2022-10-13
Publication date: 2022-12-16
Anticipated expiration: 2032-10-13

Abstract

The utility model provides an installation undercarriage tire's device. The device for mounting the tire of the landing gear comprises a platform, a moving device arranged at the bottom of the platform, a support vertically arranged on the platform, and a three-jaw frame which is arranged on the support in a sliding mode and used for fixing the tire of the landing gear, wherein the three-jaw frame can lift relative to the support, three clamping pieces are arranged on the three-jaw frame, the three clamping pieces are arranged at the lower ends of the two clamping pieces, and the upper end of the three clamping pieces is arranged in a one-way mode. The utility model is not only used for the installation of the tire of the landing gear, but also can be used for the disassembly of the tire of the landing gear; the undercarriage tire transfer and internal transportation device can be used for transferring and internal transportation tires, is high in universality, can be matched with tires of different sizes for installation, and can be adjusted in height according to the installation positions of tires of different undercarriages.

Description

Device for mounting undercarriage tire

Technical Field

The utility model relates to an aircraft undercarriage spare part installation technical field especially relates to a device of installation undercarriage tire.

Background

During the assembly of the aircraft landing gear, the assembly of the landing gear tires is required. The tire is assembled by aligning and mounting the axle hole on the tire with the axle and then securing with bolts.

Currently, tyre assembly is performed manually and by using a spreader to move the tyre onto the axle of the landing gear. Because the tires are not relatively fixed, the tires are easy to swing in the process of aligning the tires with the wheel shafts, and correct alignment can be realized only by artificial repeated righting (ensuring the verticality of the tires) or multiple corrections (ensuring the positions of the tires and the wheel shafts to be aligned), so that the assembly time is wasted, the operation difficulty is increased, and the efficiency is reduced.

Therefore, it is desirable to provide a special auxiliary tool to facilitate the installation of the landing gear tires in a convenient and labor-saving manner.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a device of installation undercarriage tire that uses manpower sparingly, the commonality is strong, the assembly is with dismantle the equal applicable of tire.

The technical scheme of the utility model is that: the device for mounting the tire of the landing gear comprises a platform, a moving device arranged at the bottom of the platform, a support vertically arranged on the platform, and a three-jaw frame which is arranged on the support in a sliding mode and used for fixing the tire of the landing gear, wherein the three-jaw frame can lift relative to the support, three clamping pieces are arranged on the three-jaw frame, the three clamping pieces are arranged at the lower ends of the two clamping pieces, and the upper end of the three-jaw frame is arranged in a one-way mode.

Preferably, the three-jaw frame comprises a connecting plate, a lower supporting rod, a sliding rod and an upper supporting rod, the connecting plate is connected with the bracket in a sliding mode, the bottom of the connecting plate is provided with an end A and an end B respectively, and the top of the connecting plate is provided with an end C; the end A and the end B are respectively connected with the lower supporting rod, the end C is connected with the sliding rod, and the upper supporting rod is perpendicular to and in sliding connection with the sliding rod; all set up one on lower branch vaulting pole and the last bracing piece the holder.

Preferably, the three-jaw frame further comprises a sliding block connected to the end portion of the upper supporting rod, at least two fourth positioning holes are formed in the sliding block, a plurality of third positioning holes are axially formed in the sliding rod, the sliding block is sleeved on the sliding rod, and the fourth positioning holes are aligned with part of the third positioning holes and are fixed through fasteners.

Preferably, the lower support rod and the upper support rod are provided with the clamping piece, and the positions of the clamping piece are parallel to the platform.

Preferably, the holder includes protective sheath, sleeve and baffle, the muffjoint in the one end of baffle, the position of lower branch vaulting pole and last bracing piece installation holder is arranged along the axial and is equipped with the first locating hole of multiunit, every group first locating hole has a plurality ofly along the radial equipartition, there are a plurality of second locating holes along the radial equipartition on the sleeve, all suit on lower branch vaulting pole and the last bracing piece protective sheath and sleeve, the both ends of protective sheath set up one respectively sleeve and baffle, it is a plurality of the second locating hole aligns and fixes through the fastener with a certain set of first locating hole of axial.

Preferably, the baffles at the two ends of the protective sleeve are far away from each other.

Preferably, the device for installing the tire of the landing gear further comprises a sliding plate and a jacking device, one side of the sliding plate is in sliding connection with the support, the other side of the sliding plate is connected with the three-jaw frame, and the jacking device is arranged at the bottom of the three-jaw frame.

Preferably, a groove is formed in one side end face of the support, the sliding plate is of a T-shaped structure with a cross section formed by vertically connecting a horizontal plate and a vertical plate, the horizontal plate is matched with the groove, the vertical plate is connected with the three-jaw frame, and the jacking device abuts against the joint of the horizontal plate and the vertical plate.

Preferably, the device for mounting a tyre of a landing gear further comprises a handle provided at the top of the support.

Compared with the prior art, the beneficial effects of the utility model are that:

1. not only for the mounting of the landing gear tires but also for the demounting of the landing gear tires; the device can be used for transferring and transporting tires internally, has strong universality, can be matched with the installation of tires with different sizes, and can adjust the installation heights of the tires of different landing gears;

2. when the tire is installed, the tire can be well fixed, the tire is kept in a vertical non-inclination state, and meanwhile, a worker can push the device to adjust the tire to align to the installed wheel shaft without deflection; after alignment, the tire is only required to be pushed forwards, the tire cannot move up and down and cannot topple over, the mounting time is saved, manpower is saved, and the tire and the undercarriage structure cannot collide;

3. when the tire is disassembled, the tire can be directly pulled out backwards after the tire is fixed, the operation is simple and convenient, the time is saved, the labor is saved, and the tire cannot be collided and damaged.

Drawings

FIG. 1 is a schematic structural view of a tire for mounting landing gear provided by the present invention;

FIG. 2 is a schematic view of the mounting and partial disassembly of the slide bar, slide block, upper support strut and clamp;

fig. 3 is a schematic structural view of the undercarriage mounted tire in use.

In the drawings: 1. a mobile device; 2. a platform; 3. a handle; 4. a slide plate; 5. a connecting plate; 6. a support; 7. a lower support rod; 8. a jacking device; 9. a second positioning hole; 10. a protective sleeve; 11. a slide bar; 12. a slider; 13. a fastener; 14. an upper support rod; 15. a first positioning hole; 16. a baffle plate; 17. a clamping member; 18. a sleeve; 19. a groove; 20. a third positioning hole; 21. a tire.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. For convenience of description, the words "upper", "lower", "left" and "right" in the following description are used only to indicate the correspondence between the upper, lower, left and right directions of the drawings themselves, and do not limit the structure.

As shown in fig. 1 and 2, the device for mounting a tire of a landing gear provided by the embodiment comprises a moving device 1, a platform 2, a handle 3, a sliding plate 4, a three-jaw frame, a bracket 6, a jacking device 8 and a clamping piece 17.

The moving device 1 is a roller wheel, comprises a fixed pulley and a universal wheel, and is arranged at the bottom of the platform 2 to facilitate the movement of the whole device.

The support 6 is vertically arranged on the platform 2 and is close to one side edge. The vertical end surface of the bracket 6 facing the platform 2 is provided with a groove 19.

The sliding plate 4 is a structure with a horizontal plate and a vertical plate which are vertically connected to form a T-shaped cross section, the horizontal plate is matched with the groove 19, the vertical plate is connected with the three-jaw frame, and the jacking device 8 is arranged on the platform 2 and is abutted to the joint of the horizontal plate and the vertical plate. The jacking device 8 is a hand jack, the height of the three-jaw frame can be accurately adjusted, and the mounting positions of different landing gear tires 21 are matched.

The handle 3 is fixed at the top of the bracket 6, so that the movement of the operating device can be facilitated.

The three-jaw frame comprises a connecting plate 5, a lower supporting rod 7, a sliding rod 11, an upper supporting rod 14 and a sliding block 12. The connecting plate 5 is a triangular plate, and the bottom of the connecting plate is provided with an A end and a B end respectively. The top is provided with a C end. The end A and the end B are respectively connected with the lower supporting rod 7. The lower support rod 7 is L-shaped, one side of the lower support rod is fixed with the connecting plate 5, the other side of the lower support rod is parallel to the platform 2, and the clamping piece 17 is arranged on the parallel side.

The end C is connected with the sliding rod 11. As shown in FIG. 2, a plurality of third positioning holes 20 are arranged in the axial direction of the slide bar 11. One end of the upper support rod 14 is connected to the sliding block 12, and at least two fourth positioning holes (not numbered) are formed in the sliding block 12. The slide block 12 is sleeved on the slide rod 11, and the fourth positioning hole is aligned with part of the third positioning hole 20 and fixed by a fastener 13. After installation, the upper supporting rod 14 and the sliding rod 11 are vertically arranged and slidably connected. The upper support rod 14 is provided with the clamping piece 17.

Three clamping members 17 are arranged on the three-jaw frame, and the three clamping members 17 are arranged at the lower end, two lower ends and one upper end, so that the tire 21 placed on the three-jaw frame can be kept in a vertical state, and the effective clamping of the tire 21 is realized.

The flap 16 and sleeve 18 are a single piece and rotation of the flap 16 is achieved to abut the side of the tire 21 to prevent the tire 21 from tipping or shifting (as shown in fig. 3). Also, when it is desired to remove the tire 21, the flap 16 is rotated away from the side of the tire 21.

The third positioning hole 20 and the first positioning hole 15 are threaded holes, which facilitate the installation of the fastener 13 (screw).

By changing the length of the sleeve 10, it is possible to adapt the positioning of the tyre 21 to different thickness dimensions.

The upper supporting rod 14 can be matched with tires 21 with different diameters by displacing the sliding block 12 up and down relative to the sliding rod 11.

As shown in fig. 1 and 2, the clamping member 17 includes a protective casing 10, a sleeve 18 and a baffle 16. The sleeve 18 connect in the one end of baffle 16, the position of lower strut 7 and upper strut 14 installation holder 17 is arranged along the axial and is equipped with the first locating hole 15 of multiunit, every group first locating hole 15 has a plurality ofly along radial equipartition, sleeve 18 is gone up along radial equipartition and is equipped with a plurality of second locating hole 9, all the suit on lower strut 7 and the upper strut 14 protective sheath 10 and sleeve 18, the both ends of protective sheath 10 set up one respectively sleeve 18 and baffle 16, it is a plurality of second locating hole 9 aligns and fixes through fastener 13 with a certain set of first locating hole 15 of axial.

The baffles 16 at both ends of the protective sleeve 10 are located away from each other. The utility model provides an installation undercarriage tire device's application method does:

1. tyre 21 fitted with landing gear

The device is pushed to the tire 21 storage site, and depending on the thickness of the tire 21, the appropriate size of the sock 10 is installed, and the components of the grip 17 are installed. The slide block 12 is moved upwards by adjusting the position of each baffle 16 on the three-jaw frame. The tire 21 is placed on the clamp 17 of the lower support bar 7 and checked for stability.

The position of the shoe 12 and the upper strut 14 is adjusted. The flaps 16 are adjusted so that all the flaps 16 are fitted to the side surfaces of the tire 21 and fixed with fasteners 13.

The device is pushed to the landing gear assembly area, and the hand-operated jacking device 8 adjusts the height of the three-jaw frame to align the wheel axle with the axis of the tire hole. And adjusting the mounting groove of the brake disc on the wheel shaft to align the mounting groove with the guide strip of the tire.

The device is slowly pushed forward so that the tyre 21 is mounted on the wheel axle.

And adjusting the position of the baffle 16, removing the device, and fastening a nut for fixing the tire 21 to completely fix the tire 21 and the wheel shaft to finish assembly.

2. Tyre 21 with removable undercarriage

The device can also be used in the disassembly of the landing gear tyre 21, in particular:

the device is pushed to the position of the tire 21 of the landing gear to be disassembled, and the height of the three-jaw frame is adjusted, so that the height of each support rod is matched with the periphery of the tire 21. The position of the flap 16 is adjusted so that the position of the flap 16 does not interfere with the tire 21.

The nuts holding the tire 21 are unscrewed and the device is pushed again to bring each support rod of the three-jaw frame into contact with the outer periphery of the tire 21. The position of the flap 16 is adjusted so that the flap 16 contacts the side surface of the tire 21, thereby achieving the grip.

Pulling the device outward completes the removal of the tire 21.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. The device for mounting the tire of the landing gear is characterized by comprising a platform (2), a moving device (1) arranged at the bottom of the platform (2), a support (6) vertically arranged on the platform (2), and a three-jaw frame which is slidably arranged on the support (6) and used for fixing the tire of the landing gear, wherein the three-jaw frame can lift relative to the support (6), three clamping pieces (17) are arranged on the three-jaw frame, the three clamping pieces (17) are arranged in a mode that the lower end is two, and the upper end is one.

2. A device for mounting a tyre for landing gears according to claim 1, wherein the three-jaw frame comprises a connecting plate (5), a lower support rod (7), a sliding rod (11) and an upper support rod (14), the connecting plate (5) is connected with the bracket (6) in a sliding manner, the bottom of the connecting plate (5) is provided with an end a and an end B, and the top of the connecting plate is provided with an end C; the end A and the end B are respectively connected with the lower supporting rod (7), the end C is connected with the sliding rod (11), and the upper supporting rod (14) is perpendicular to and in sliding connection with the sliding rod (11); the lower supporting rod (7) and the upper supporting rod (14) are both provided with one clamping piece (17).

3. A device for mounting a tire for landing gear according to claim 2, wherein the three-jaw carrier further comprises a sliding block (12) connected to the end of the upper support rod (14), at least two fourth positioning holes are formed in the sliding block (12), a plurality of third positioning holes (20) are arranged in the axial direction of the sliding rod (11), the sliding block (12) is sleeved on the sliding rod (11), and the fourth positioning holes are aligned with part of the third positioning holes (20) and fixed through fasteners (13).

4. A device for mounting landing gear tyres according to claim 2, wherein the lower support bar (7) and the upper support bar (14) are provided with said clamps (17) both parallel to the platform (2).

5. A device for mounting a tire for a landing gear according to claim 2, wherein the clamping member (17) comprises a protective sleeve (10), a sleeve (18) and a baffle (16), the sleeve (18) is connected to one end of the baffle (16), a plurality of groups of first positioning holes (15) are axially arranged at the positions where the clamping member (17) is mounted on the lower support rod (7) and the upper support rod (14), a plurality of first positioning holes (15) are radially uniformly distributed in each group, a plurality of second positioning holes (9) are radially uniformly distributed on the sleeve (18), the protective sleeve (10) and the sleeve (18) are sleeved on the lower support rod (7) and the upper support rod (14), one sleeve (18) and one baffle (16) are respectively arranged at two ends of the protective sleeve (10), and the plurality of second positioning holes (9) are aligned with one group of first positioning holes (15) in the axial direction and are fixed by fasteners (13).

6. A device for mounting landing gear tyres as claimed in claim 5, wherein said baffles (16) at the two ends of the protective sleeve (10) are located remote from each other.

7. A device for mounting landing gear tyres according to claim 1, further comprising a skid plate (4) and a jacking device (8), wherein one side of the skid plate (4) is slidably connected to the support (6) and the other side is connected to the three-jaw carriage, and the jacking device (8) is arranged at the bottom of the three-jaw carriage.

8. A device for mounting a tire for a landing gear according to claim 7, wherein a groove (19) is formed in one end face of the bracket (6), the sliding plate (4) has a T-shaped cross section structure formed by vertically connecting a horizontal plate and a vertical plate, the horizontal plate is adapted to the groove (19), the vertical plate is connected to the three-jaw frame, and the jacking device (8) abuts against the joint of the horizontal plate and the vertical plate.

9. A landing gear tyre mounting arrangement according to claim 1, further including a handle (3) provided at the top of the bracket (6).