CN212074406U - Heavy-load helicopter and brake pair structure thereof - Google Patents

Abstract

The utility model discloses a heavy load helicopter and brake auxiliary structure thereof, include: the pressing disc, the movable disc, the static disc and the bearing disc, the movable disc and the static disc are positioned between the pressing disc and the bearing disc, when the airplane takes off or slides, the movable disc rotates along with the airplane tire, the pressing disc, the static disc and the pressure bearing disc are static, when braking, the piston of the braking device extends out to press the pressing disc to provide an axial braking pressure for the braking pair, the rotating speed of the movable disc is reduced and the rotation is finally stopped to realize the braking of the airplane through the friction force generated by the binding surface of the pressing disc and the movable disc, the binding surface of the movable disc and the static disc and the binding surface of the static disc and the pressure-bearing disc, wherein, one surface of the pressing disc close to the piston is provided with an indicating rod for detecting the abrasion condition of the brake pair, accessible pilot lever accuracy is acquireed to in vice the changing of brake, the pilot lever can be dismantled and connect on compressing tightly the dish, the installation and the change of pilot lever of can being convenient for.

Description

Heavy-load helicopter and brake pair structure thereof

Technical Field

The utility model relates to an aircraft technical field, in particular to heavy load helicopter still relates to a brake pair structure.

Background

Heavy load helicopter mainly used military materials transportation and natural disasters the time goods and materials delivery transportation because the reason of heavily loaded, it is higher to the vice requirement of brake, for example need the vice characteristics that have low rotational speed, high moment of torsion, big inertia of brake, require vice small, the light in weight of brake in order to alleviate fuselage weight in addition, current disc brake is vice to be difficult to be applicable to heavy load helicopter in addition, the vice wearing and tearing condition of brake can't the accurate observation, and then influences the brake security.

Therefore, how to provide a brake pair structure which is applied to a heavy-load helicopter and has high safety is a technical problem which needs to be solved by the technical personnel in the field at present.

SUMMERY OF THE UTILITY MODEL

In view of this, an object of the utility model is to provide a brake substructure can effectively monitor the vice wearing and tearing condition of brake, and then improves the brake security, and another object is to provide a heavy load helicopter including above-mentioned brake substructure.

In order to achieve the above object, the utility model provides a following technical scheme:

a brake pair structure comprising: compress tightly dish, driving disk, quiet dish and bearing plate, the driving disk with quiet dish is located compress tightly the dish with between the bearing plate, compress tightly the pressure that the dish is used for bearing the piston, and the one side that is close to the piston is equipped with the pilot lever that is used for detecting the vice wearing and tearing situation of brake, the pilot lever can be dismantled the connection and be in compress tightly on the dish.

Preferably, the indication rod is mounted on the pressing plate through a bolt.

Preferably, an expansion groove is formed in the inner circle of the movable disc.

Preferably, the outer circle of the movable disc is provided with a lightening groove.

Preferably, the movable disc is a 30CrSiMoVA alloy steel movable disc.

Preferably, the pressure bearing disc and the pressing disc have the same structure.

A heavy-load helicopter comprises the brake pair structure.

Compared with the prior art, the technical scheme has the following advantages:

the utility model provides a pair of brake structure, include: the pressing disc, the movable disc, the static disc and the bearing disc, the movable disc and the static disc are positioned between the pressing disc and the bearing disc, when the airplane takes off or slides, the movable disc rotates along with the airplane tire, the pressing disc, the static disc and the pressure bearing disc are static, when braking, the piston of the braking device extends out to press the pressing disc to provide an axial braking pressure for the braking pair, the rotating speed of the movable disc is reduced and the rotation is finally stopped to realize the braking of the airplane through the friction force generated by the binding surface of the pressing disc and the movable disc, the binding surface of the movable disc and the static disc and the binding surface of the static disc and the pressure-bearing disc, wherein, one surface of the pressing disc close to the piston is provided with an indicating rod for detecting the abrasion condition of the brake pair, accessible pilot lever accuracy is acquireed to in vice the changing of brake, the pilot lever can be dismantled and connect on compressing tightly the dish, the installation and the change of pilot lever of can being convenient for.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic front view of a cross-sectional structure of a brake pair structure according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a pressing plate and an indicating rod structure of a brake pair structure and a cross-sectional view a-a according to an embodiment of the present invention;

fig. 3 is a schematic cross-sectional structural view of a joint between an indicating rod and a pressing plate of a brake pair structure according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a movable disc of a brake pair structure according to an embodiment of the present invention;

fig. 5 is a schematic sectional view of a stationary disc of a brake pair structure and a B-B thereof according to an embodiment of the present invention;

fig. 6 is a schematic cross-sectional view of a pressure-bearing plate of a brake pair structure and a C-C cross-sectional structure thereof according to an embodiment of the present invention.

The reference numbers are as follows:

1 is the pressure disk, 2 is the driving disk, 3 is the quiet dish, 4 is the pressure-bearing dish, 5 is the indicator lever, 6 is the bolt, 7 is the inflation groove, 8 is the lightening groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 6, fig. 1 is a schematic front sectional view of a brake pair structure according to an embodiment of the present invention; fig. 2 is a schematic structural diagram of a pressing plate and an indicating rod structure of a brake pair structure and a cross-sectional view a-a according to an embodiment of the present invention; fig. 3 is a schematic cross-sectional structural view of a joint between an indicating rod and a pressing plate of a brake pair structure according to an embodiment of the present invention; fig. 4 is a schematic structural diagram of a movable disc of a brake pair structure according to an embodiment of the present invention; fig. 5 is a schematic sectional view of a stationary disc of a brake pair structure and a B-B thereof according to an embodiment of the present invention; fig. 6 is a schematic cross-sectional view of a pressure-bearing plate of a brake pair structure and a C-C cross-sectional structure thereof according to an embodiment of the present invention.

The embodiment of the utility model provides a brake auxiliary structure, include: the aircraft brake device comprises a compression disc 1, a movable disc 2, a static disc 3 and a bearing disc 4, wherein the movable disc 2 and the static disc 3 are positioned between the compression disc 1 and the bearing disc 4, the static disc 3 is formed by riveting a brake block and a framework on two sides, brake torque is provided by friction force between two faces and the face of the movable disc 2, when an aircraft takes off or slides, the movable disc 2 rotates along with an aircraft tire, the compression disc 1, the static disc 3 and the bearing disc 4 are static, when the aircraft brake device brakes, a piston of the brake device extends out and presses on the compression disc 1 to provide axial brake pressure for a brake pair, the compression disc 1, the movable disc 2, the static disc 3 and the face of the bearing disc 4 are axially laminated and pressed, particularly, through the laminating face of the compression disc 1 and the movable disc 2, the laminating face of the movable disc 2 and the static disc 3, and the friction force generated by the laminating face of the static disc 3 and the bearing disc 4, the rotating speed of the movable disc 2 is reduced, and the rotation of the movable disc 3 is finally stopped, when the vice wearing and tearing of brake are serious, 5 accurate acquirements of accessible pilot lever, so that the brake is vice to be changed, pilot lever 5 can dismantle the connection on compressing tightly set 1, the installation and the change of pilot lever 5 of can being convenient for, wherein compress tightly set 1 and be the single face dish, form by brake block and skeleton riveting, for the first dish of bearing pressure during the brake, the piston directly presses and provides an axial brake pressure on compressing tightly set 1 during aircraft brake, transmit for driving disk 2 and casing through compressing tightly set 1 again.

In particular, the detachable connection mode of the indication rod 5 is preferably installed on the pressing plate 1 through the latch 6, and other detachable connection modes can be selected according to actual conditions.

Further, movable disk 2 is whole dish, is equipped with inflation groove 7 on the interior circle of movable disk 2, can eliminate the thermal stress of braking in-process through inflation groove 7. In addition, the outer circle of the movable disc 2 is provided with a lightening groove 8, the lightening groove 8 can be in a special arc shape, wherein the shape of the lightening groove 8 can be selected according to the actual situation, and the embodiment does not limit the shape. The rotor 2 is additionally preferably supported by a 30CrSiMoVA alloy steel, preferably 3.5mm thick, in order to reduce the mass of the rotor 2.

The pressure bearing disc 4 and the pressing disc 1 are identical in structure and formed by riveting a single-sided brake pad and a framework, and the pressure bearing disc 4 and the torsion barrel are assembled in a separated mode and are not connected, so that the brake pair is convenient to disassemble and assemble.

The utility model also provides a heavy load helicopter, including the brake substructure that any of the above-mentioned embodiments provided, its beneficial effect refer to above-mentioned brake substructure can, here no longer give unnecessary details.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

It is right above the utility model provides a heavy load helicopter and brake auxiliary structure thereof have carried out the detailed introduction. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims (7)

1. A brake pair structure, comprising: compress tightly dish, driving disk, quiet dish and bearing plate, the driving disk with quiet dish is located compress tightly the dish with between the bearing plate, compress tightly the pressure that the dish is used for bearing the piston, and the one side that is close to the piston is equipped with the pilot lever that is used for detecting the vice wearing and tearing situation of brake, the pilot lever can be dismantled the connection and be in compress tightly on the dish.

2. The brake pair structure of claim 1, wherein the indicating rod is mounted on the pressing plate by a latch.

3. The brake pair structure of claim 1, wherein the inner circle of the moving plate is provided with an expansion groove.

4. The brake pair structure according to claim 3, wherein the outer circumference of the moving disk is provided with weight-reducing grooves.

5. The brake pair structure of claim 1, wherein the cam plate is a 30CrSiMoVA alloy steel cam plate.

6. The brake pair structure according to any one of claims 1 to 5, wherein the pressure-bearing disc and the pressing disc have the same structure.

7. A heavy-duty helicopter including the brake pair structure of any one of claims 1 to 6.

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