Double-model aircraft tire changer

Abstract

The utility model discloses a double-model aircraft tire changer which comprises a trolley with universal wheels, a support frame fixed on a bottom plate of the trolley, a hydraulic cylinder fixed on the top of the support frame, and a pulling and pressing assembly for applying pressure or pulling force to a tire or a hub, the bottom plate is located under the lifting disc and provided with a through hole allowing a hub to pass through, and the distance between the bottom face of the bottom plate and the lowest point of the universal wheel is larger than the thickness of a tire. The pulling and pressing assembly comprises a plurality of connecting rods with adjustable positions, and bosses matched with the inner edge of the hub are arranged on the sides, away from the axis of the through hole, of the connecting rods. And a cover plate for blocking the through hole is movably arranged on the bottom plate. The utility model provides a double-model aircraft tire changer, which can adapt to the disassembly of vacuum tires with different sizes by arranging a bottom plate with a through hole, arranging a cover plate for blocking the through hole and matching with a bottom foot with a boss, and can be suitable for the disassembly work of common tires with inner tires in a manner of pressing first and then pulling at the same time.

Description

TECHNICAL FIELD

[0001] The utility model relates to tire stripping technical field. More specifically, the utility model relates to a double-machine type aviation tire stripper. BACKGROUND

[0002] There are many different types of aircraft, and their aviation tires also have many different sizes and structures. The current tire stripper is usually fixed in size and cannot be flexibly adjusted for different sizes of wheels, and cannot be used for different types of tire stripping work.

[0003] The utility model discloses a light type tire stripper, which is characterized by a sliding sleeve on the top beam, a pressure rod fixed to the bottom end of the sliding sleeve, and an arc-shaped pressure plate fixed to the bottom end of the pressure rod. By adjusting the position of the sliding sleeve on the top beam, the distance between the arc-shaped pressure plates can be easily adjusted, and different sizes of pressure rings can be matched to adapt to different sizes of aircraft tires.

[0004] Although this device can adapt to different sizes of aircraft tires, it is more suitable for the disassembly of vacuum tires, which can be disassembled by pressing the pressure ring. For ordinary tires, since they contain an inner tire, only pressing cannot complete the disassembly work well, so this device cannot meet the disassembly needs of ordinary tires with an inner tire. UTILITY MODEL CONTENT

[0005] One object of the utility model is to solve the above problems and / or defects, and provide the advantages to be explained later.

[0006] In order to achieve these objects and other advantages of the utility model, a double-machine type aviation tire stripper is provided, which comprises a trolley with universal wheels, a support frame fixed to the bottom plate of the trolley, and a hydraulic cylinder fixed to the top of the support frame, characterized in that it further comprises a tension and compression assembly fixed to the power output end of the hydraulic cylinder to apply pressure or tension to the tire or hub.

[0007] The bottom plate is provided with a through hole for the hub to pass through, and the distance between the bottom surface of the bottom plate and the lowest point of the universal wheel is greater than the thickness of the tire.

[0008] The tension and compression assembly comprises a plurality of adjustable position connecting rods, and the connecting rods are provided with a boss on the side away from the axis of the through hole, which cooperates with the inner edge of the hub.

[0009] The bottom plate is movably provided with a cover plate for plugging the through hole.

[0010] Preferably, the pulling and pressing assembly further comprises: a lifting plate fixed on the power output end of the hydraulic cylinder, and a pressing ring placed at the lower end of the connecting rod to press the tire, wherein the size of the pressing ring is matched with the size of the tire.

[0011] The bottom of the lifting plate is provided with a sliding rail for the movement of the connecting rod.

[0012] Preferably, the lifting plate is configured with four supporting arms arranged in a cross shape.

[0013] The sliding rail is arranged in the extending direction of the supporting arm, and the connecting rod and the supporting arm are matched and configured as four.

[0014] Preferably, the utility model further comprises: a manual hydraulic pump arranged on the supporting frame and communicated with the hydraulic cylinder.

[0015] Preferably, each universal wheel is provided with a brake.

[0016] The utility model at least has the following beneficial effects: through the bottom plate with the through hole, the cover plate is arranged to block the through hole, and the bottom foot with the boss is matched, the ordinary tire containing the inner tube can be disassembled through the mode of pressing first and then pulling while adapting to the disassembly of the vacuum tire of different sizes, and the application range is wider.

[0017] Other advantages, objects and features of the utility model will be embodied in part through the following description, and will be understood by the person skilled in the art through the research and practice of the utility model. DETAILED DESCRIPTION

[0018] Figure 1 It is the structure schematic view of the dual-machine type aviation tire dismounting device in an embodiment of the utility model;

[0019] Figure 2 It is the cover plate structure schematic view of the dual-machine type aviation tire dismounting device in an embodiment of the utility model;

[0020] Figure 3 It is the pressing ring structure schematic view of the dual-machine type aviation tire dismounting device in an embodiment of the utility model.

[0021] Marked in the drawing: 1, trolley, 11, universal wheel, 12, push hand, 13, bottom plate, 131, through hole, 2, supporting frame, 3, hydraulic cylinder, 4, manual hydraulic pump, 41, pressing rod, 42, control valve, 5, pulling and pressing assembly, 51, lifting plate, 52, connecting rod, 53, boss, 54, pressing ring, 6, cover plate, 61, handle. DETAILED DESCRIPTION

[0022] The utility model will be further explained in detail in combination with the drawings, so that the person skilled in the art can implement according to the description.

[0023] It should be understood that the terms such as "have", "contain" and "include" used herein do not list the presence or addition of one or more other elements or combinations thereof.

[0024] It should be noted that in the description of the utility model, the orientation or positional relationship indicated by the terms is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0025] In the description of the utility model, unless otherwise explicitly specified and limited, the terms "mount", "provided with", "sleeved / connected", "connected" and the like should be understood broadly, for example, "connected" can be fixedly connected, can be detachably connected, or integrally connected, can be mechanically connected, can be electrically connected, can be directly connected, can be indirectly connected through an intermediate medium, or can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0026] In addition, in the utility model, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature. The first and second features can be in direct contact, or the first and second features can be indirectly in contact through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be directly above or obliquely above the first feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature can be directly below or obliquely below the first feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0027] Embodiment 1

[0028] A double-machine type aircraft tire changer, which has the structure as shown in Figure 1 The bottom plate 13 is directly below the lifting disc 51, and is provided with a through hole 131 for the hub to pass through, and the distance between the bottom surface of the bottom plate 13 and the lowest point of the universal wheel 11 is greater than the thickness of the tire.

[0029] The bottom plate 13 is directly below the lifting disc 51, and is provided with a through hole 131 for the hub to pass through, and the distance between the bottom surface of the bottom plate 13 and the lowest point of the universal wheel 11 is greater than the thickness of the tire.

[0030] The pull-press assembly 5 comprises a plurality of adjustable-position connecting rods 52, and the connecting rods 52 are provided with bosses 53 matched with the inner edge of the hub on the side away from the axis of the through hole 131.

[0031] The bottom plate 13 is movably provided with a cover plate 6 for plugging the through hole 131.

[0032] In actual application, the trolley 1 is provided with a handle 12 on one side, and the cover plate 6 is provided with a handle 61, so as to facilitate movement; the trolley 1 and the support frame 2 adopt 304 stainless steel connecting pieces and aluminum main body structures, which are corrosion-resistant and durable.

[0033] Working principle:

[0034] When the vacuum tire without inner tube is disassembled, the cover plate 6 is first covered on the bottom plate 13 to plug the through hole 131, and then the vacuum tire is placed horizontally on the cover plate 6, the position of the connecting rod 52 is adjusted to adapt to the size of the vacuum tire; the hydraulic cylinder 3 is operated to press down, the pull-press assembly 5 is driven to transmit force to the vacuum tire, the tire corner of the vacuum tire is separated from the hub, and the disassembly is completed.

[0035] When the ordinary tire with an inner tube is disassembled, the hub of the ordinary tire is first disassembled in the manner of disassembling the vacuum tire; then the ordinary tire is turned over and placed on the ground, the trolley 1 is pushed above the ordinary tire, the cover plate 6 is removed to make the through hole 131 open, and the position of the through hole 131 is matched with the hub; then the connecting rod 52 is moved to the center position so that it can pass through the through hole 131 when it moves downward; then the hydraulic cylinder 3 is operated to press down, the connecting rod 52 passes through the center of the hub; then the position of the connecting rod 52 is adjusted, the bosses 53 of the connecting rods 52 are placed below the edge of the hub; finally, the hydraulic cylinder 3 is operated to move the pull-press assembly 5 upward, and the bosses 53 are tightly attached to the lower side of the edge of the hub, so that the bosses 53 transmit pulling force to pull the hub and the tire apart, and the disassembly is completed.

[0036] By arranging the bottom plate 13 with the through hole 131, the cover plate 6 is arranged to plug the through hole 131, and the bosses 53 are arranged at the bottom, the vacuum tire of different sizes can be disassembled, the ordinary tire with an inner tube can be disassembled by pressing first and then pulling, and the application range is wider.

[0037] Embodiment 2

[0038] This embodiment 2 is a preferred embodiment of the utility model, and the specific structure is as shown in Figures 1-2 The pull-press assembly 5 further comprises a lifting disc 51 fixed on the power output end of the hydraulic cylinder 3, and a pressing ring 54 placed at the lower end of the connecting rod 52 to press the tire; the size of the pressing ring 54 is matched with the size of the tire.

[0039] The lifting disc 51 is provided with a slide rail for the connecting rod 52 to move in.

[0040] The lifting disc 51 is configured with four supporting arms arranged in a cross shape.

[0041] The slide rail is arranged in the extending direction of the supporting arm, and the connecting rod 52 is adapted to the supporting arm in four.

[0042] The pressing ring is adapted to the size of the tire

[0043] In actual application, the diameter of the pressing ring 54 is slightly larger than the diameter of the hub, so as to facilitate the tire to be pressed to be removed.

[0044] Working principle: the lifting disc 51 is configured in a cross shape, and four connecting rods 52 are arranged to press the tire, and the pressing ring 54 is matched to ensure the uniformity of the pressing force, so as to avoid displacement and damage of the tire due to uneven force.

[0045] Embodiment 3

[0046] The embodiment 3 is a preferred embodiment of the utility model, which discloses the following improvements on the basis of the embodiment 1: further comprising: a manual hydraulic pump 4 arranged on the support frame 2 and communicated with the hydraulic cylinder 3.

[0047] In actual application, the manual hydraulic pump 4 provides pressure for the flow of hydraulic oil by pressing the arranged pressing rod 41, and a control valve 42 is arranged to control the flow direction of the hydraulic oil, and the control valve 42 is respectively communicated with the upper cavity and the lower cavity of the hydraulic cylinder 3.

[0048] Working principle: when the hydraulic cylinder 3 works, the control valve 42 controls the moving direction of the power output end of the hydraulic cylinder 3, and the pressing rod 41 is pressed by hand to move the hydraulic cylinder 3, so that the oil cylinder lifting is realized by relying on manpower, and various working environments can be adapted.

[0049] Embodiment 4

[0050] The embodiment 4 is a preferred embodiment of the utility model, and the specific structure is shown in Figure 1 The embodiment 4 is a preferred embodiment of the utility model, and the specific structure is shown in

[0051] Working principle: the universal wheel 11 provided with the brake ensures the stability of the device during flexible movement of the tire changer.

[0052] The above schemes are only a description of a preferred example, but are not limited thereto. In the implementation of the utility model, appropriate replacement and / or modification can be made according to the needs of the user.

[0053] The number of devices and the size of the processes described herein are given by way of example to facilitate explanation of the application. Applications, modifications and variations of the application will be apparent to those skilled in the art without departing from the general concept of the application.

[0054] While the embodiments of the application have been disclosed in connection with the specification and examples, it should be understood that it can be directed to other embodiments that fall within the scope of the application. Those skilled in the art will readily recognize modifications and variations that fall within the scope of the application. Thus, the application is not to be limited by the specific details and examples shown and described herein.

Claims

1. A dual model aircraft tire changer, comprising: A trolley with universal wheels, a support frame fixed to the bottom plate of the trolley, a hydraulic cylinder fixed to the top of the support frame, characterized in that it further comprises: a tension and compression assembly fixed to the power output end of the hydraulic cylinder to apply pressure or tension to the tire or hub; The bottom plate is directly below the lifting disc and is provided with a through hole for the hub to pass through, and the distance between the bottom surface of the bottom plate and the lowest point of the universal wheel is greater than the thickness of the tire; The tension and compression assembly comprises a plurality of adjustable position connecting rods, and the side of the connecting rod away from the axis of the through hole is provided with a boss matched with the inner edge of the hub; The bottom plate is movably provided with a cover plate for plugging the through hole.

2. The dual model aircraft tire changer as set forth in claim 1, wherein, The tension and compression assembly further comprises: a lifting disc fixed to the power output end of the hydraulic cylinder, and a compression ring placed at the lower end of the connecting rod to apply pressure to the tire, the size of the compression ring being matched with the size of the tire; The bottom of the lifting disc is provided with a sliding rail for the movement of the connecting rod.

3. The dual model aircraft tire changer as set forth in claim 2, wherein, The lifting disc is configured with four support arms arranged in a cross shape; The sliding rail is arranged in the extension direction of the support arm, and the connecting rod and the support arm are matched to be four.

4. The dual aircraft tire changer of claim 1 wherein, Further comprising: A manual hydraulic pump arranged on the support frame and in communication with the hydraulic cylinder.

5. The dual model aircraft tire changer as set forth in claim 1, wherein, The universal wheels are each provided with a brake.

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