CN219056556U - Front wheel of airplane - Google Patents
Front wheel of airplane Download PDFInfo
- Publication number
- CN219056556U CN219056556U CN202223150414.1U CN202223150414U CN219056556U CN 219056556 U CN219056556 U CN 219056556U CN 202223150414 U CN202223150414 U CN 202223150414U CN 219056556 U CN219056556 U CN 219056556U
- Authority
- CN
- China
- Prior art keywords
- carbon fiber
- fiber composite
- hub
- front wheel
- aircraft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Moulding By Coating Moulds (AREA)
Abstract
The utility model belongs to the technical field of aircraft take-off and landing systems, and particularly relates to an aircraft front wheel. Comprising the following steps: the carbon fiber composite hub, the carbon fiber composite rim, the half clasp, the sealing ring and the bearing; a half clamping ring groove and a sealing ring groove are arranged on the carbon fiber composite material hub; the movable carbon fiber composite rim and the two half clamping rings are fixedly connected to the carbon fiber composite hub through fuses and are sealed through sealing rings arranged in the sealing ring grooves; the semi-clamping ring is arranged between the movable carbon fiber composite rim and the carbon fiber composite hub, and the protruding end at the side of the movable carbon fiber composite rim is clamped in the semi-clamping ring groove of the carbon fiber composite hub; on the premise of meeting the weight reduction requirement of the aircraft, the structural strength of the aircraft wheel is enhanced.
Description
Technical Field
The utility model belongs to the technical field of aircraft take-off and landing systems, and particularly relates to an aircraft front wheel.
Background
The front wheels of the aircraft are usually fitted with tires and then mounted on the aircraft. The front wheel of the airplane mainly comprises a hub, a rim, a half snap ring, a bearing and other parts. The front wheel of the airplane is provided with a tire, and is arranged on the front landing gear of the airplane after being inflated through an inflating valve. The front wheels of the aircraft are used for taking off, landing, traction, ground running, sliding, turning, decelerating and ground parking of the aircraft. The front wheels of an aircraft are an important component in the aircraft take-off and landing system.
For example, the chinese patent application No. 201120042778.0 discloses an aircraft front wheel, which includes a left front wheel and a right front wheel, wherein the left front wheel and the right front wheel are both of a center split structure, and each of the left front wheel and the right front wheel includes an inner half hub, an outer half hub, a bearing, a sealing ring, an oil retainer, and the like. The inner half wheel hub and the outer half wheel hub are manufactured by high-strength aluminum alloy LD5-1 die forging blanks.
Because the national requirements for aircraft performance are continuously increased, control requirements are also put forward on corresponding accessory parts, but the original performance of the aircraft cannot be reduced. The hub/rim of the front wheel of the traditional aircraft is made of aluminum alloy or magnesium alloy, has good load resistance, impact resistance and environmental tolerance, can meet the requirements of taking off and landing of the aircraft, but with the higher-requirement combat technical index performance of the new-generation aircraft, the aircraft is required to be realized through further weight reduction. In order to meet the weight reduction requirement of the airplane, the front airplane wheel can be ensured only by sacrificing a certain structural strength, and the problem that the hub/rim is broken due to insufficient strength occurs in the test process, so that the use safety of the outfield airplane is greatly hidden danger.
Disclosure of Invention
The purpose of the utility model is that: aiming at the problems in the background technology, the front wheel of the airplane is provided, and the structural strength of the wheel is enhanced on the premise of meeting the weight reduction requirement of the airplane.
The technical scheme of the utility model is as follows:
an aircraft front wheel, the front wheel comprising: the carbon fiber composite hub 2, the carbon fiber composite rim 3, the half clasp 7, the sealing ring 6 and the bearing 1;
the carbon fiber composite material hub 2 is of a symmetrical structure, and a half clamping ring groove 9 and a sealing ring groove 8 are arranged on the carbon fiber composite material hub 2; the movable carbon fiber composite rim 3 and the two half snap rings 7 are fixedly connected to the carbon fiber composite hub 2 through fuses and are sealed through a sealing ring 6 arranged in a sealing ring groove 8; the semi-clamping ring 7 is arranged between the movable carbon fiber composite rim 3 and the carbon fiber composite hub 2, and is clamped in the semi-clamping ring groove 9 of the carbon fiber composite hub 2 by the convex end of the movable carbon fiber composite rim 3 side; the bearings 1 are arranged at two ends of the center of the carbon fiber composite material hub 2, and the carbon fiber composite material hub 2 plays a role in connecting and supporting the bearings 1.
The technical scheme of the utility model is characterized in that:
(1) The front wheel further includes: a valve assembly 4 and an end cap 10;
the end cover 10 is arranged on the outer side of the bearing 1, a valve hole is arranged on the end face of the carbon fiber composite hub 2, and a valve assembly 4 is arranged in the valve hole.
(2) The front wheel also comprises a carbon fiber composite hub 2 which is manufactured by manually laying carbon fiber prepreg containing a metal embedded part and curing and forming through an autoclave.
(3) The front wheel also comprises a movable carbon fiber composite rim 3 which is manually paved by carbon fiber prepreg and manufactured by an autoclave curing and forming process.
(4) The metal embedded part is formed by machining 7050 aluminum, is placed at a preset position when being manually paved, and is matched with the inflating valve assembly after the autoclave is cured and formed, so that inflation and deflation of the tire are completed.
(5) The outer surface of the carbon fiber composite material hub 2 is provided with ventilation holes, the ventilation holes are formed by curing and forming in an autoclave, positioning with a hub die through a 3D drill jig and then drilling in an inclined mode.
The technical scheme of the utility model provides an aircraft front wheel, which can enhance the structural strength of the wheel on the premise of meeting the weight reduction requirement of an aircraft.
Drawings
FIG. 1 is a cross-sectional view of a front machine wheel of a resin-based composite material according to the present utility model
FIG. 2 shows a carbon hub and mold assembly according to the present utility model
FIG. 3 shows a carbon rim and mold assembly according to the present utility model
The marks in the figure: the novel valve comprises a 1-bearing, a 2-carbon hub, a 3-movable carbon rim, a 4-valve body, a 5-metal embedded part, a 6-sealing ring, a 7-half clamping ring, an 8-upper die, a 9-demolding ring 1, a 10-lower die, a 11-fixing bolt 1, a 12-customized pin, a 13-demolding ring 2 and a 14-fixing bolt 2.
Detailed Description
The following describes the embodiments of the present utility model further with reference to the drawings.
The novel composite material (carbon fiber composite material) is adopted to manufacture the hub/rim, firstly because the carbon fiber is lighter than aluminum and magnesium, secondly because the carbon fiber has very high specific strength and specific modulus, and further because the carbon fiber has two characteristics of strong tensile resistance and soft processability of fiber, so that the processability of the carbon fiber material and a plurality of good performances of the carbon fiber material can be used as a novel material substitute for the front wheel of an airplane.
The front wheel of the resin matrix composite aircraft mainly comprises: carbon fiber composite material hub (carbon hub for short), carbon fiber composite material rim (carbon rim for short), inflating valve assembly, half snap ring, end cover, sealing ring and bearing are constituteed, as shown in fig. 1.
The carbon hub and the carbon rim are coated on the surface of a hub/rim die by adopting carbon fiber prepreg through a laying method, and are cured and formed through an autoclave. The other parts are finished products and are directly matched with the finished products for use.
The hub die adopts a combined die mode, as shown in fig. 2. Firstly, screwing and combining a lower die and an upper die, fixing a customized pin, paving carbon fiber prepreg, placing a metal embedded part according to the size, winding the prepreg circumferentially integrally, performing primary curing by an autoclave, inwards turning and milling for 2-3 mm according to a standard shape after discharging, performing secondary paving, ensuring the integrity of the prepreg from top to bottom, performing secondary curing by the autoclave, secondarily turning and milling the shape and installing the characteristics of an inflating valve according to the standard shape after discharging, and finally finishing the shape and performing surface paint spraying treatment.
The rim mold adopts a single male mold as shown in fig. 3. The demoulding ring is fixed on a mould, firstly, carbon fiber prepreg is paved according to the requirement, then, the carbon fiber prepreg is put into an autoclave for solidification, the appearance is turned and milled after the carbon fiber prepreg is taken out of the autoclave, and finally, the appearance is finished and the surface is sprayed with paint.
As shown in fig. 1, the front wheel of the present utility model includes: carbon hub 2, bearing 1, movable carbon rim 3, inflating valve subassembly 4, metal built-in fitting 5, sealing washer 6, half snap ring 7. The carbon hub 2 is of a symmetrical structure, the carbon hub 2 is provided with a half clamping ring groove 9 and a sealing ring groove 8, the movable carbon rim 3 and the two half clamping rings 7 are fixedly connected to the carbon hub 2 through fuses (not shown) so as to prevent the movable carbon rim 3 from being separated from the carbon hub 2, the functions of limiting and fixing a tire (not shown) are achieved, and the tire is sealed through the sealing ring 6 arranged in the sealing ring groove 8; the semi-clamping ring 7 is arranged between the movable carbon rim 3 and the carbon hub 2, and is clamped in a semi-clamping ring groove 9 of the carbon hub 2 by a convex end at the side of the movable carbon rim 3; the bearings 1 are arranged at two ends of the center of the carbon hub 2, and the hub plays a role in connecting and supporting the bearings 1; the end cover 10 is arranged on the outer side of the bearing 1, prevents the bearing grease from overflowing, and prevents the abrasion matters of the brake disc from entering the inner cavity of the bearing to abrade the bearing 1. The end face of the carbon hub 2 is provided with a valve hole, and a valve assembly 4 is arranged in the valve hole.
Further, the bearing 1 is a tapered roller bearing.
Further, the carbon hub 2 is manufactured by manually laying carbon fiber prepregs (including metal embedded parts) and performing autoclave curing molding process.
Further, the movable carbon rim 3 is manufactured by manually laying up carbon fiber prepregs and curing and forming the carbon fiber prepregs through an autoclave.
Further, the half snap ring 7 is made of aluminum alloy 2a14 free forging material.
Further, the valve body assembly consists of 1 valve body, 1 valve cap, 1 gasket and 1 valve core.
Further, the metal embedded part is formed by machining 7050 aluminum. And the tire is placed at a proper position during manual paving, and is matched with the inflating valve assembly after the autoclave is cured and molded, so that inflation and deflation of the tire are completed.
Further, the air holes are formed in the outer surface of the carbon hub, so that the carbon hub is convenient to transmit to a tire after being inflated. The air holes are formed by positioning a 3D drill jig and a hub die after curing and forming of an autoclave and then drilling holes in an inclined mode.
The front wheel is matched with the XXX tubeless aircraft tire for use and is arranged on the nose landing gear of the unmanned aerial vehicle. The inflating valve assembly 4 is inflated and then is arranged on the nose landing gear of the aircraft for taking off, landing, traction, ground running, sliding, turning, decelerating and ground parking of the aircraft.
Claims (6)
1. An aircraft front wheel, the front wheel comprising: the carbon fiber composite hub (2), the carbon fiber composite rim (3), the half clasp (7), the sealing ring (6) and the bearing (1);
the carbon fiber composite material hub (2) is of a symmetrical structure, and a half clamping ring groove (9) and a sealing ring groove (8) are arranged on the carbon fiber composite material hub (2); the movable carbon fiber composite rim (3) and the two half clamping rings (7) are fixedly connected to the carbon fiber composite hub (2) through fuses and are sealed through a sealing ring (6) arranged in a sealing ring groove (8); the semi-clamping ring (7) is arranged between the movable carbon fiber composite wheel rim (3) and the carbon fiber composite wheel hub (2), and is clamped in the semi-clamping ring groove (9) of the carbon fiber composite wheel hub (2) by the convex end at the side of the movable carbon fiber composite wheel rim (3); the bearings (1) are arranged at two ends of the center of the carbon fiber composite material hub (2), and the carbon fiber composite material hub (2) plays a role in connecting and supporting the bearings (1).
2. The front aircraft wheel of claim 1, wherein the front wheel further comprises: a valve assembly (4) and an end cap (10);
the end cover (10) is arranged on the outer side of the bearing (1), a valve hole is arranged on the end face of the carbon fiber composite hub (2), and a valve assembly (4) is arranged in the valve hole.
3. An aircraft front wheel according to claim 1, characterized in that the front wheel further comprises a carbon fiber composite hub (2) made of carbon fiber prepregs with metal embedments in it by hand lay-up and curing and shaping by autoclave.
4. An aircraft front wheel according to claim 1, characterized in that the front wheel further comprises a movable carbon fiber composite rim (3) manually laid up from carbon fiber prepregs and manufactured by an autoclave curing moulding process.
5. An aircraft nose wheel according to claim 3, wherein the metal embedded part is formed by machining 7050 aluminum, is placed at a preset position during manual paving, and is matched with the inflating valve assembly after the autoclave is cured and formed, so that inflation and deflation of the tire are completed.
6. An aircraft front wheel according to claim 3, wherein the outer surface of the carbon fiber composite hub (2) is provided with ventilation holes, the ventilation holes are formed by curing in an autoclave, positioning the ventilation holes with a hub die through a 3D drill jig and then drilling holes obliquely.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223150414.1U CN219056556U (en) | 2022-11-25 | 2022-11-25 | Front wheel of airplane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223150414.1U CN219056556U (en) | 2022-11-25 | 2022-11-25 | Front wheel of airplane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219056556U true CN219056556U (en) | 2023-05-23 |
Family
ID=86347514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223150414.1U Active CN219056556U (en) | 2022-11-25 | 2022-11-25 | Front wheel of airplane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219056556U (en) |
-
2022
- 2022-11-25 CN CN202223150414.1U patent/CN219056556U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9415628B2 (en) | Light-weight vehicle wheels with carbon fiber inserts | |
| CN105730174B (en) | A kind of carbon fibre composite McPherson suspension control arm and preparation method thereof | |
| CN107791740B (en) | Integrally formed carbon fiber composite rim and preparation method thereof | |
| US20150130261A1 (en) | Method of Designing and Producing Carbon Fiber Wheels | |
| CN111319398A (en) | Support body, elastic support assembly, non-pneumatic tire and manufacturing method thereof | |
| CN109795257A (en) | A kind of carbon fiber automotive hub and its manufacturing method | |
| CN219056556U (en) | Front wheel of airplane | |
| CN112078307B (en) | Special giant tire precuring annular tire crown and preparation method and application thereof | |
| CN110435358A (en) | A kind of air-free tyre and its production technology | |
| WO2012052219A1 (en) | Design for lightweight chamber-type wheel rims for passenger motor vehicles / utility vehicles, comprising design, material concept, structural features and production method | |
| CN114103163A (en) | Integral manufacturing method of special-shaped carbon fiber horn of rotor unmanned aerial vehicle | |
| KR101394875B1 (en) | Process for an assembly type carbon fiber composite wheel and an assembly type carbon fiber composite wheel thereby | |
| CN111016533A (en) | Hollow carbon fiber wheel hub and manufacturing method thereof | |
| CN110254128B (en) | Forming die of three formula combination rims of carbon fiber | |
| CN206664156U (en) | A kind of attachment structure of carbon fiber rim and spoke | |
| CN113696679A (en) | Non-inflatable wheel with imitated square bamboo supporting structure and processing technology | |
| CN109017138A (en) | Mechanical elastic vehicle wheel with integrated elastic ring skeleton Wheel-band wheel construction | |
| JPH02128958A (en) | Wheel of fiber-reinforced resin and manufacture thereof | |
| KR101194922B1 (en) | Process for an assembly type hybrid carbon wheel and an assembly type hybrid carbon wheel thereby | |
| CN110861334A (en) | Single-color double-density rubber tire capable of being injection-cast and forming process thereof | |
| CN211684504U (en) | Hollow carbon fiber wheel hub | |
| CN101602318B (en) | Nanophase bulletproof environment friendly solid tyre and manufacture method thereof | |
| CN108313270B (en) | Landing gear tire for unmanned aerial vehicle | |
| CN110936628A (en) | All-terrain crawler-type multifunctional vehicle traveling system load wheel and preparation method thereof | |
| CN206733943U (en) | A kind of integrally formed full carbon fibre hub |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |