CN211731799U - Brake wheel utilizing aircraft landing kinetic energy and brake heat for cooling - Google Patents
Brake wheel utilizing aircraft landing kinetic energy and brake heat for cooling Download PDFInfo
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- CN211731799U CN211731799U CN202020085529.9U CN202020085529U CN211731799U CN 211731799 U CN211731799 U CN 211731799U CN 202020085529 U CN202020085529 U CN 202020085529U CN 211731799 U CN211731799 U CN 211731799U
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Abstract
The utility model discloses a brake wheel using the landing kinetic energy of an airplane and the brake heat for cooling, which comprises an outer half wheel hub, an unpowered fan, a bearing, an inner half wheel hub and a linkage structure; the outer half hub and the inner half hub are coaxially arranged and are spliced and fixed into a complete hub; the outer half hub and the middle part protrude towards the right side to form a shaft sleeve; the unpowered fan is arranged on the shaft sleeve of the outer half hub through a bearing, and the unpowered fan is positioned between the outer half hub and the inner half hub; the linkage structure is arranged on the unpowered fan and the outer half hub, the linkage structure links the unpowered fan and the outer half hub to synchronously rotate when the outer half hub rotates at a high speed, and the unpowered fan is disconnected from being linked with the outer half hub when the rotating speed of the outer half hub is reduced. The utility model discloses realize fast with wheel brake energy direction outside air, reduce wheel and brake equipment's temperature fast, improve cooling efficiency, shorten the time interval that the aircraft takes off in succession.
Description
Technical Field
The utility model relates to an aircraft safety field especially relates to an utilize brake wheel of aircraft landing kinetic energy and hot cooling of brake.
Background
As the weight of the airplane is increased, the braking energy is high, and the time interval requirement of continuous takeoff is shorter and shorter.
However, in the design of an airplane, according to general considerations such as size and weight reduction requirements, the size and weight of a brake disc cannot have excessive performance allowance on the premise of meeting the performance requirements, so that under the normal braking condition, the temperature of the brake disc reaches 400-500 ℃, and the airplane wheel reaches more than 100 ℃. Considering the situations that during continuous takeoff, the airplane may have the conditions of takeoff stopping, short landing time again, large energy and the like, heat borne by a brake wheel and a brake disc of the previous time cannot be completely dissipated, energy of two times of braking is superposed, and the temperature of the tire foot position is too high (the temperature of the tire foot position of the tire is regulated to be less than 177 ℃ by the general specification of the GJB 1184A-2005 airplane wheel and a brake device), the risk of tire burst or air leakage exists, and the airplane cannot continuously take off in a short time due to the risk of high-temperature damage of other parts. Considering these and other problems, it is common to specify that the aircraft continuous takeoff interval is greater than or equal to 30 min.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a utilize brake wheel of aircraft landing kinetic energy and the hot cooling of brake with initiative cooling, shorten the time interval that the aircraft takes off in succession.
Realize the utility model discloses the technical scheme of purpose is: a brake wheel using aircraft landing kinetic energy and brake heat for cooling comprises an outer half hub, an unpowered fan, a bearing, an inner half hub and a linkage structure; the outer half hub and the inner half hub are coaxially arranged and are spliced and fixed into a complete hub; the middle part of the spoke of the outer half hub protrudes towards the right side to form a shaft sleeve; the unpowered fan is arranged on the shaft sleeve of the outer half hub through a bearing, and the unpowered fan is positioned between the outer half hub and the inner half hub; the linkage structure is arranged on the unpowered fan and the outer half hub, the linkage structure links the unpowered fan and the outer half hub to synchronously rotate when the outer half hub rotates at a high speed, and the unpowered fan is disconnected from being linked with the outer half hub when the speed of the outer half hub is reduced.
The unpowered fan comprises a fan ring and a plurality of fan blades arranged around the fan ring.
And an inertia block is arranged on a fan ring or a fan blade of the unpowered fan.
The left side wall of the fan ring of the unpowered fan is close to the step surface of the shaft sleeve of the outer half hub; the linkage structure comprises a first mounting hole arranged on the step surface of the shaft sleeve of the outer half hub, a second mounting hole arranged on the left side wall of the fan ring, an inertia pin arranged in the first mounting hole in a sliding manner, and a spring fixed in the second mounting hole; the mouth of the first mounting hole is aligned with the mouth of the second mounting hole, the axes of the first mounting hole and the second mounting hole are collinear, and the diameters of the first mounting hole and the second mounting hole are consistent.
The hole depth of the first mounting hole of the outer half hub is not less than the length of the inertia pin; the hole depth of the second mounting hole of the unpowered fan is consistent with the length of the spring in a free state.
The end face of the inertia pin of the outer half hub, which faces the spring, is a spherical surface.
The extension lines of the first mounting hole of the outer half hub and the second mounting hole of the unpowered fan form an included angle with the axis of the outer half hub, and the first mounting hole is closer to the axis of the outer half hub than the second mounting hole.
A spoke of the inner half hub is provided with a first lightening hole and a second lightening hole; the first lightening holes and the second lightening holes are uniformly distributed around the axis of the inner half hub, and the first lightening holes and the second lightening holes are symmetrically arranged on the spoke of the inner half hub; the aperture of the first lightening hole is larger than that of the second lightening hole.
A plurality of third lightening holes are uniformly distributed on the outer half hub around the axis of the outer half hub; the third lightening holes are larger than the apertures of the first lightening holes of the inner half wheel hub.
The number of the fan blades of the unpowered fan is not consistent with the number of the third lightening holes of the outer half hub or the sum of the number of the first lightening holes and the number of the second lightening holes of the inner half hub, and the fan blades are odd and even in number; the number of the third lightening holes is consistent with the sum of the number of the first lightening holes and the number of the second lightening holes of the inner half hub.
By adopting the technical scheme, the utility model discloses following beneficial effect has: the structure of the utility model is ingenious, the unpowered fan between the outer half hub and the inner half hub can actively dissipate heat, when the outer half hub rotates, the unpowered fan and the outer half hub synchronously rotate through the linkage structure to drive the air flow to flow, partial heat on the hub can be dissipated into the air, the wheel temperature is reduced, when the airplane brakes, the unpowered fan and the outer half hub are decoupled, the unpowered fan can continuously rotate under inertia to realize the clutch function, the unpowered fan stores kinetic energy, the landing kinetic energy of the airplane is realized, when the outer half hub and the inner half hub stop rotating, the internal temperature rises to form air flow, because the lightening hole on the inner half hub is half large and half small, when the air flow passes through the lightening hole on the inner half hub, the wind force of the unpowered fan is inconsistent, the torque is formed, the unpowered fan is driven or accelerated to realize the cooling by utilizing the braking heat, the airplane wheel brake device has the advantages that the brake energy of the airplane wheel is guided to the outside air quickly, the temperature of the airplane wheel and the brake device is reduced quickly, the cooling efficiency is improved, and the time interval of continuous takeoff of the airplane is shortened.
Drawings
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is given in conjunction with the accompanying drawings, in which
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the inner half hub of the present invention;
fig. 3 is a schematic structural view of the outer half hub of the present invention;
FIG. 4 is a schematic structural view of the unpowered fan of the present invention;
FIG. 5 is a schematic diagram of the operation of the present invention during landing, sliding and landing;
fig. 6 is the working principle diagram of the utility model when the wheel brakes and stops.
The reference numbers are: the novel hub assembly comprises an outer half hub 1, a step surface 1-1, a first mounting hole 1-2, a third lightening hole 1-3, an unpowered fan 2, a fan ring 2-1, fan blades 2-2, a second mounting hole 2-3, a bearing 3, an inertia block 4, an inner half hub 5, a first lightening hole 5-1, a second lightening hole 5-2, an inertia pin 6 and a spring 7.
Detailed Description
Example one
Referring to fig. 1 to 6, the brake wheel using aircraft landing kinetic energy and brake heat for cooling according to the embodiment includes an outer half hub 1, an unpowered fan 2, a bearing 3, an inner half hub 5 and a linkage structure.
The outer half hub 1 and the inner half hub 5 are coaxially arranged and fixed into a complete hub through bolt fixing and splicing. The middle part of the spoke of the outer half hub 1 protrudes to the right side to form a shaft sleeve. The unpowered fan 2 is arranged on the shaft sleeve of the outer half hub 1 through a bearing 3, and the unpowered fan 2 is positioned between the outer half hub 1 and the inner half hub 5. The linkage structure is arranged on the unpowered fan 2 and the outer half hub 1, the linkage structure links the unpowered fan 2 and the outer half hub 1 to synchronously rotate when the outer half hub 1 is in high rotating speed, and the unpowered fan 2 is disconnected from being linked with the outer half hub 1 when the rotating speed of the outer half hub 1 is reduced.
In this embodiment, the unpowered fan 2 includes a fan ring 2-1, and a plurality of fan blades 2-2 disposed around the fan ring 2-1, the fan blades 2-2 blowing air toward the outer half hub 1 when rotated. The fan ring 2-1 or the fan blade 2-2 of the unpowered fan 2 is provided with the inertia block 4, and in the embodiment, the inertia block 4 is arranged at any position on the fan ring 2-1 or the fan blade 2-2, so that the performance of the unpowered fan is not affected. The unpowered fan 2 and the inertia block 4 accumulate the rotation energy when landing for running or braking, and rotate to use the accumulated rotation energy when braking or stopping.
In the embodiment, the left side wall of the fan ring 2-1 of the unpowered fan 2 is close to the step surface 1-1 of the shaft sleeve of the outer half hub 1. The linkage structure comprises a first mounting hole 1-2 arranged on the step surface of the shaft sleeve of the outer half hub 1, a second mounting hole 2-3 arranged on the left side wall of the fan ring 2-1, an inertia pin 6 arranged in the first mounting hole 1-2 in a sliding manner, and a spring 7 fixed in the second mounting hole 2-3. The mouth of the first mounting hole 1-2 is aligned with the mouth of the second mounting hole 2-3, the axes of the first mounting hole 1-2 and the second mounting hole 2-3 are collinear, and the diameters of the holes are consistent.
In the present embodiment, the hole depth of the first mounting hole 1-2 of the outer hub half 1 is not less than the length of the inertia pin 6. The hole depth of the second mounting hole 2-3 of the unpowered fan 2 is consistent with the length of the spring 7 in a free state, and the hole depth of the second mounting hole 2-3 is smaller than the length of the inertia pin 6, so that the inertia pin 6 is prevented from being pushed out by the spring 7 after entering the second mounting hole 2-3 due to centrifugal force. The end surface of the inertia pin 6 of the outer half hub 1 facing the spring 7 is spherical, so that the position of the second mounting hole 2-3 can be found more smoothly when the outer half hub 1 rotates and enters the second mounting hole 2-3.
In the present embodiment, the extension lines of the axes of the first mounting holes 1-2 of the outer half hub 1 and the second mounting holes 2-3 of the unpowered fan 2 are at an angle with the axis of the outer half hub 1, and the first mounting holes 1-2 are closer to the axis of the outer half hub 1 than the second mounting holes 2-3.
In the present embodiment, the spokes of the inner half-hub 5 are provided with first lightening holes 5-1 and second lightening holes 5-2. The first lightening holes 5-1 and the second lightening holes 5-2 are uniformly distributed around the axis of the inner half hub 5, and the first lightening holes 5-1 and the second lightening holes 5-2 are symmetrically arranged on the spokes of the inner half hub 5. The aperture of the first lightening hole 5-1 is larger than that of the second lightening hole 5-2.
In the embodiment, the outer half hub 1 is provided with a plurality of third lightening holes 1-3, and the third lightening holes 1-3 are uniformly distributed around the axis of the outer half hub 1. The third lightening holes 1-3 are larger than the apertures of the first lightening holes 5-1 of the inner half wheel hub 5, so that heat driven by the rotation of the unpowered fan 2 is more dissipated to air through the first lightening holes 5-1, and the phenomenon that the temperature of the outer half wheel hub 1 is too high due to too much impact of airflow on the spoke of the outer half wheel hub 1 is prevented. The number of the fan blades 2-2 of the unpowered fan 2 is different from the number of the third lightening holes 1-3 of the outer half hub 1 or the sum of the number of the first lightening holes 5-1 and the second lightening holes 5-2 of the inner half hub 5, and the number of the fan blades is odd-even. The number of the third lightening holes 1-3 is consistent with the sum of the number of the first lightening holes 5-1 and the number of the second lightening holes 5-2 of the inner half hub 5. The first lightening hole 5-1, the second lightening hole 5-2 and the third lightening hole 1-3 are all kidney-shaped holes, and the diameters of inner circles far away from the axis are large, and the diameters of inner circles close to the axis are small.
In this embodiment, when the outer half hub 1 and the inner half hub 5 slide due to the landing of the airplane, under the influence of the ground friction, the rotation speed of the outer half hub 1 and the inner half hub 5 is high, in this process, the inertia pin 6 slides out of the first mounting hole 1-2 under the action of centrifugal force, and when passing through the second mounting hole 2-3, the inertia pin 6 slides into the second mounting hole 2-3 to compress the spring 7 because the centrifugal force is greater than the pre-elastic force of the spring 7, at this time, because the depth of the second mounting hole 2-3 is not greater than the unpowered length of the inertia pin 6, the inertia pin 6 sequentially exists in the first mounting hole 1-2 and the second mounting hole 2-3 at the same time, so as to drive the fan 2 to rotate, at this time, the fan 2 has the rotation speed consistent with that of the outer half hub 1, and guides the airflow with heat out of the outer half hub 1.
In this embodiment, when the outer half hub 1 and the inner half hub 5 are braked by the aircraft landing, the rotation speed of the outer half hub 1 and the rotation speed of the inner half hub 5 are reduced, the centrifugal force is smaller than the pre-elastic force of the spring 7, the spring 7 rebounds, the inertia pin 6 is pushed out of the second mounting hole 2-3, the inertia pin 6 returns to the first mounting hole 1-2, the rotation speed of the unpowered fan 2 is inconsistent with that of the outer half hub 1, and the airflow with heat is led out of the outer half hub 1 and the inner half hub 5.
In this embodiment, when the outer half hub 1 and the inner half hub 5 are braked during landing of the airplane, the unpowered fan 2 continues to rotate under the action of the inertia block 4, and the airflow with heat is led out from the outer half hub 1 and the inner half hub 5.
In this embodiment, when the aircraft stops, the outer half hub 1 and the inner half hub 5 emit heat absorbed by the brake disc at this time, the inner half hub 5 rapidly heats up, the gas in the inner half hub 5 expands, and the airflow flows out from the left and right sides of the inner half hub 5, because the first lightening holes 5-1 and the second lightening holes 5-2 of the inner half hub 5 are different in size and specification, different fan blades 2-2 of the unpowered fan 2 are not consistent in wind power, so as to form torque, the unpowered fan 2 continues to rotate, and the airflow with heat is led out from the inside of the inner half hub 5.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. The utility model provides an utilize brake wheel of aircraft landing kinetic energy and hot cooling of braking which characterized in that: comprises an outer half hub (1), an unpowered fan (2), a bearing (3), an inner half hub (5) and a linkage structure; the outer half hub (1) and the inner half hub (5) are coaxially arranged and are spliced and fixed into a complete hub; the middle parts of the spokes of the outer half hub (1) and the inner half hub (5) protrude towards the right side to form shaft sleeves; the unpowered fan (2) is arranged on the shaft sleeve of the outer half hub (1) through the bearing (3), and the unpowered fan (2) is positioned between the outer half hub (1) and the inner half hub (5); the linkage structure is arranged on the unpowered fan (2) and the outer half hub (1), the linkage structure is used for linking the unpowered fan (2) and the outer half hub (1) to synchronously rotate when the outer half hub (1) rotates at a high speed, and the unpowered fan (2) and the outer half hub (1) are disconnected to be linked when the speed of the outer half hub (1) is reduced.
2. A brake wheel for using landing kinetic energy of an aircraft and brake heat for cooling as claimed in claim 1, wherein: the unpowered fan (2) comprises a fan ring (2-1) and a plurality of fan blades (2-2) arranged around the fan ring (2-1).
3. A brake wheel for using landing kinetic energy of an aircraft and brake heat for cooling as claimed in claim 2, wherein: an inertia block (4) is arranged on a fan ring (2-1) or a fan blade (2-2) of the unpowered fan (2).
4. A brake wheel for using landing kinetic energy of an aircraft and brake heat for cooling as claimed in claim 2, wherein: the left side wall of a fan ring (2-1) of the unpowered fan (2) is close to a step surface (1-1) of a shaft sleeve of the outer half hub (1); the linkage structure comprises a first mounting hole (1-2) arranged on the step surface of the shaft sleeve of the outer half hub (1), a second mounting hole (2-3) arranged on the left side wall of the fan ring (2-1), an inertia pin (6) arranged in the first mounting hole (1-2) in a sliding manner, and a spring (7) fixed in the second mounting hole (2-3); the mouth of the first mounting hole (1-2) is aligned with the mouth of the second mounting hole (2-3), the axes of the first mounting hole (1-2) and the second mounting hole (2-3) are collinear, and the diameters of the first mounting hole and the second mounting hole are consistent.
5. A brake wheel for using landing kinetic energy of an aircraft and brake heat for cooling as claimed in claim 4, wherein: the hole depth of the first mounting hole (1-2) of the outer half hub (1) is not less than the length of the inertia pin (6); the hole depth of the second mounting hole (2-3) of the unpowered fan (2) is consistent with the length of the spring (7) in a free state.
6. A brake wheel for using landing kinetic energy of an aircraft and brake heat for cooling as claimed in claim 5, wherein: the end face, facing the spring (7), of the inertia pin (6) of the outer half hub (1) is a spherical surface.
7. A brake wheel for using landing kinetic energy of an aircraft and brake heat for cooling as claimed in claim 4, wherein: the extension lines of the axes of the first mounting hole (1-2) of the outer half hub (1) and the second mounting hole (2-3) of the unpowered fan (2) form included angles with the axis of the outer half hub (1), and the first mounting hole (1-2) is closer to the axis of the outer half hub (1) than the second mounting hole (2-3).
8. A brake wheel for using landing kinetic energy of an aircraft and brake heat for cooling as claimed in claim 2, wherein: a spoke of the inner half hub (5) is provided with a first lightening hole (5-1) and a second lightening hole (5-2); the first lightening holes (5-1) and the second lightening holes (5-2) are uniformly distributed around the axis of the inner half hub (5), and the first lightening holes (5-1) and the second lightening holes (5-2) are symmetrically arranged on the spoke of the inner half hub (5); the aperture of the first lightening hole (5-1) is larger than that of the second lightening hole (5-2).
9. A brake wheel for using landing kinetic energy of an aircraft and brake heat for cooling as claimed in claim 8, wherein: a plurality of third lightening holes (1-3) are formed in the outer half hub (1), and the third lightening holes (1-3) are uniformly distributed around the axis of the outer half hub (1); the third lightening holes (1-3) are larger than the hole diameter of the first lightening holes (5-1) of the inner half hub (5).
10. A brake wheel for using landing kinetic energy of an aircraft and brake heat for cooling as claimed in claim 1, wherein: the number of fan blades (2-2) of the unpowered fan (2) is inconsistent with the number of third lightening holes (1-3) of the outer half hub (1) or the sum of the number of first lightening holes (5-1) and second lightening holes (5-2) of the inner half hub (5), and the fan blades are odd and even in number; the number of the third lightening holes (1-3) is consistent with the sum of the number of the first lightening holes (5-1) and the number of the second lightening holes (5-2) of the inner half hub (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020085529.9U CN211731799U (en) | 2020-01-15 | 2020-01-15 | Brake wheel utilizing aircraft landing kinetic energy and brake heat for cooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020085529.9U CN211731799U (en) | 2020-01-15 | 2020-01-15 | Brake wheel utilizing aircraft landing kinetic energy and brake heat for cooling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211731799U true CN211731799U (en) | 2020-10-23 |
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ID=72881391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020085529.9U Active CN211731799U (en) | 2020-01-15 | 2020-01-15 | Brake wheel utilizing aircraft landing kinetic energy and brake heat for cooling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211731799U (en) |
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2020
- 2020-01-15 CN CN202020085529.9U patent/CN211731799U/en active Active
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