A motion transmission mechanism

Description

[0001] A MOTION TRANSMISSION MECHANISM

[0002] This invention relates to motion transmission mechanisms that carry motion transmission elements and distribute loads.

[0003] In rotary wing aircraft, the manoeuvres of the aircraft are provided by motion transmission plates (swash plates) that is located in the area where the wings are connected to the rotor. Torque tubes are used to transmit the command received from the pilot to the transmission plate in motion control during flight. Torque tubes are motion transmission elements that are located between two shafts, allowing the shafts to move in different directions. Motion transmission elements are located in the helicopter upper rudder. Torque tubes and other motion transmission elements are exposed to Mz moment load in particular during their operation. This causes premature ageing of the elements and the formation of fatigue deformations.

[0004] In the American patent document numbered US2022332411 A1 in the state of the art, the torque tube mechanism in the rotary wing aircraft is mentioned. Torque tubes are positioned laterally in a cylindrical housing that is located in the helicopter upper rudder section and a gasket is placed around it. Torque tube weight is carried by shafts.

[0005] In the American patent document numbered US5145321A in the state of the art, a torque tube mechanism in rotary wing aircraft, providing movement support is mentioned. By means of the bearing in the torque tubes included in the invention, the shaft in the torque tube is bedded and its movement is supported. The bearing provides movement of more than two shafts.

[0006] By means of a motion transmission mechanism developed with the present invention, the loads to which the motion transmission mechanisms in rotary wing aircraft are exposed are effectively distributed.

[0007] Another aim of this invention is to ensure that the motion transmission elements in rotary wing aircraft are long-lasting.

[0008] Another aim of this invention is to ensure that the motion transmission elements in rotary wing aircraft are protected from external factors. The motion transmission mechanism defined in the first claim and the claims dependent on this claim, which is realised to achieve the aim of the invention, comprises a first shaft that provides motion transmission on the body and a second shaft to which the first shaft transmits its motion. The first shaft and the second shaft are located on the ground. There is a torque tube that provides motion transmission between the first shaft and the second shaft. There is at least one housing around the torque tube.

[0009] The motion transmission mechanism which is the subject of the invention comprises a ceiling which forms the upper part of the housing and is positioned on the torque tubes. The torque tube is connected to the ceiling with a bearing element. The bearing element absorbs the moment formed between the first shaft and the second shaft. There is at least one wall surrounding the torque tube, which forms the elements of the housing that carry the ceiling.

[0010] In one embodiment of the invention, the motion transmission mechanism comprises a first shaft that is activated by the user's trigger and a torque tube that allows the second shaft to move in a direction different from the direction in which the first shaft is moved. The torque tube transmits motion between the first shaft and the second shaft by rotating around its own axis. The bearing element that is positioned on the ceiling supports the rotational movement of the torque tube around its own axis. The bearing element also carries the torque tube. It provides the transmission of ferees to the ceiling by compensating for the Mz moment it is exposed to. The ceiling is carried by the walls on the body. The weight of the torque tube and the moment it is exposed to are distributed and transmitted to the body by means of the walls.

[0011] In one embodiment of the invention, the motion transmission mechanism comprises bearing elements and torque tubes, at least one of which is located at the centre point of the ceiling between the walls and two of which are positioned on the ceiling in a diagonal manner, with the bearing element in the centre and the torque tube between them, thus distributing its weight and the moment it is exposed to along the ceiling.

[0012] In one embodiment of the invention, the motion transmission mechanism comprises a holder that forms the bearing element and enables the connection of the bearing element to the ceiling. The moment to which the torque tube is exposed is provided by a bearing, which is the bearing element. The holder is connected to the ceiling by means of the first connector.

[0013] In one embodiment of the invention, the motion transmission mechanism comprises torque tubes, at least one of which rotates around its own axis in a different direction from the others. The bearing rotates in the same direction as the torque tubes to which it is connected and supports the torque tubes.

[0014] In one embodiment of the invention, the motion transmission mechanism comprises walls that are fixedly positioned opposite each other on the body. The ceiling is connected to the walls by a second connector to form the housing.

[0015] In one embodiment of the invention, the motion transmission mechanism comprises holes on the housing that are formed to allow the first shaft and the second shaft to pass through. A gasket is located in the holes to protect the torque tubes that are located on the surface where the first shaft and the second shaft touch the holes from external factors such as heat, dust, etc.

[0016] In one embodiment of the invention, the motion transmission mechanism comprises a flange that extends from the ceiling to the walls to form a protrusion and covers a part of the walls, balancing the load distribution carried by the ceiling.

[0017] In one embodiment of the invention, the motion transmission mechanism comprises a support element that is positioned on the ground and supports only the rotational movement of the torque tube and is almost completely in contact with the torque tube.

[0018] In one embodiment of the invention, the motion transmission mechanism comprises a body forming the rotary wing aircraft.

[0019] In one embodiment of the invention, the motion transmission mechanism comprises an arm that moves the first shaft and therefore the second shaft when triggered by the pilot. The wing that is located on the body is triggered by the torque tubes and provides the movement of the body.

[0020] In one embodiment of the invention, the motion transmission mechanism comprises a housing made of a type of material that dampens vibration.

[0021] The motion transmission mechanism realised to achieve the aim of this invention is shown in the attached figures, and from these figures; Figure 1 is the perspective view of the motion transmission mechanism.

[0022] Figure 2 is the front view of the motion transmission mechanism.

[0023] Figure 3 is the top view of the motion transmission mechanism.

[0024] The parts in the figures are numbered one by one and the equivalents of these numbers are given below.

[0025] 1. Motion transmission mechanism

[0026] 2. Body

[0027] 3. First shaft

[0028] 4. Second shaft

[0029] 5. Torque tube

[0030] 6. Housing

[0031] 601. Ceiling

[0032] 602. Wall

[0033] 7. Bearing element

[0034] 701. Holder

[0035] 702. Bearing

[0036] 8. Support element

[0037] 9. Flange

[0038] (B) First connector

[0039] (C) Gasket

[0040] (D) Hole

[0041] (K)Arm

[0042] (L) Wing

[0043] (S) Second connector

[0044] (Z) Ground

[0045] The motion transmission mechanism (1 ) comprises a body (2), a first shaft (3) that is located on the body (2), is activated by the user, and provides motion transmission, a second shaft (4) that is triggered by the first shaft (3) and transmits the motion it receives from the first shaft (3), a ground (Z) that is located on the body (2) to which the first shaft (3) and the second shaft (4) are connected, more than one torque tube (5) that are located between the first shaft (3) and the second shaft (4) and transmit the motion they receive from the first shaft (3) to the second shaft (4), and at least one housing (6) that is located on the body (2) and almost completely surrounds the torque tube (5).

[0046] The motion transmission mechanism (1 ) which is the subject of the invention comprises a ceiling (601 ) that is located on the housing (6) and on which the torque tube (5) is positioned, multiple bearing elements (7) that at least partially bed the moment formed between the first shaft (3) and the second shaft (4) on the torque tube (5) and carry the torque tube (5), and multiple walls (602) that compensate for the load formed on the ceiling (601 ), are located on the housing (6), and extend between the ceiling (601 ) and the ground (Z), enabling the housing (6) to surround the torque tube

[0047] (5).

[0048] A first shaft (3) and a second shaft (4) are located on the ground (Z) that is located on the body (2), transmitting the pilot's movement to other elements. A torque tube (5) is located between the first shaft (3) and the second shaft (4) and transmits the movement of the first shaft (3) to the second shaft (4) in a different direction. There is a housing

[0049] (6) on the body (2) surrounding the torque tube (5), thus protecting the torque tube (5) from environmental factors. (Figure - 3)

[0050] The housing (6) consists of a ceiling (601 ) and walls (602) supporting the ceiling (601 ). The torque tube (5) is connected to the housing (6) via the ceiling (601 ). The ceiling (601 ) carries the torque tube (5). The ceiling (601 ) also supports the Mz moment experienced by the torque tube (5) during its movement. The torque tube (5) is connected to the ceiling by the bearing element (7). The bearing element (7) supports the Mz moment the torque tube (5) is exposed to. In this way, the forces the torque tube (5) is exposed to are transmitted to the body (2) via the bearing element (7), the ceiling (601 ) and the walls (602).

[0051] In one embodiment of the invention, the motion transmission element (1 ) comprises the first shaft (3) that moves linearly when triggered by the user, the torque tube (5) that moves by means of the first shaft (3) and rotates around its own axis to move the second shaft (4) linearly in a direction different from the direction in which the first shaft (3) moves, the bearing element (7) that is form-fitted with the torque tube (5) and supports the torque tube (5) and the bearing element (7), the ceiling (601 ) that carries the torque tube (5) and the bearing element (7), and counteracts the moment the torque tube (5) is exposed to, and the wall (602) that carries the ceiling (601 ), supports the moment the ceiling (601 ) is exposed to, and enables the ceiling (601 ) to be positioned on the body (2). The torque tube (5) rotates around itself and transmits the linear movement of the first shaft (3) to the second shaft (4) which moves in a direction different from the first shaft (3). The bearing element (7) is form-fitting with the torque tube (5) and rotates together with the torque tube (5) and in a coaxial manner, in accordance with the rotation movement of the torque tube (5) around its own axis during the motion transmission. In this way, the moment supported by the bearing element (7) is supported by the ceiling (601 ) and the walls (602).

[0052] In one embodiment of the invention, the motion transmission element (1 ) comprises bearing elements (7) and torque tubes (5), at least one of which is positioned on the centre on the direction where the ceiling (601 ) extends between the walls (602) and at least two of which are positioned close to the diagonals so as to take the one in the centre between them, distributing the weight over the ceiling (601 ). The torque tubes (5) and the bearing elements (7) are positioned on the ceiling (601 ) so that one of them is at the centre point of the ceiling (601 ) and the other two are positioned close to the corner points where the ceiling (601 ) and the walls (601 ) intersect, so as to take the one in the middle between them. In this way, the weight of the torque tubes (5) is distributed evenly over the ceiling (601 ).

[0053] In one embodiment of the invention, the motion transmission element (1 ) comprises a holder (701 ) that is located on the ceiling (601 ), and forms the bearing element (7), a bearing (702) that is positioned inside the holder (701 ), in contact with the torque tube (5), bears the moment of the torque tube (5), and forms the bearing element (7), and at least one first connector (B) that enables the holder (702) to be removably mounted on the ceiling (601 ). The bearing element (7) consists of the holder (701 ) and the bearing (702). The bearing element (7) is connected to the ceiling (601 ) by means of the holder (701 ) with the first connector (B). In this way, the bearing element (7) and the torque tube (5) are securely connected to the ceiling (601 ). (Figure - 2) In one embodiment of the invention, the motion transmission element (1 ) comprises torque tubes (5) at least one of which rotates in a different direction from the other, and a bearing (702) that rotates in the same direction as the torque tube (5) to which it is connected and supports the moment of the torque tube (5). The bearing (702) supports the rotational movement of the torque tube (5). The torque tubes (5) can rotate in different directions with each other. The bearing (702) rotates together with the torque tube (5) to which it is connected in a concentric manner. In this way, the moment experienced by the torque tube (5) can be supported.

[0054] In one embodiment of the invention, the motion transmission element (1 ) comprises walls (602) that are located opposite each other so that they will be fixed on the body (2), a second connector (S) that is located on the housing (6) and allows the ceiling

[0055] (601 ) to be removably attached to the walls (602), allowing the ceiling (601 ) and the walls (602) to come together to form the housing (6). The walls (602) are positioned opposite each other to effectively carry the ceiling (601 ). The ceiling (601 ) and the walls

[0056] (602) are connected to each other by means of the first connector (B) and form the housing (6).

[0057] In one embodiment of the invention, the motion transmission element (1 ) comprises at least one hole (D) on the housing (6) through which the first shaft (3) or the second shaft (4) passes, the hole (D) that allows the first shaft (3) or the second shaft (4) to be connected to the torque tube (5), a gasket (C) that is located within the hole (D), surrounds the first shaft (3) or the second shaft (4) so that it can move, protects the torque tube (5) from external factors, and prevents the first shaft (3) and / or the second shaft (4) from contacting the housing (6). By placing the gasket (C) inside the holes (D) and in the areas where the first shaft (3) and the second shaft (4) pass through the holes (D), the torque tubes (5) are protected from external factors such as dust, heat, etc.

[0058] In one embodiment of the invention, the motion transmission element (1 ) comprises at least one flange (9) extending from the ceiling (601 ) to the walls (602), enabling the ceiling (601 ) to grip the walls (602), balancing the load distribution carried by the ceiling

[0059] (601 ). By means of the flange (9), the surface area of the ceiling (601 ) on the walls

[0060] (602) is increased, expanding the load distribution of the ceiling (601 ) on the walls (602), thereby ensuring that the weight and loads are carried more effectively. In one embodiment of the invention, the motion transmission element (1 ) comprises a support element (8) that is located on the ground (Z), and supports the rotational movement of the torque tube (5) around itself. The support element (8) provides support in the rotational movement of the torque tube (5) and in counteracting the moment it is exposed to. In this way, the torque tube (5) undergoes less deformation and performs motion transmission.

[0061] In one embodiment of the invention, the motion transmission element (1 ) comprises the body (2) that is located in the rotary wing aircraft.

[0062] In one embodiment of the invention, the motion transmission element (1 ) comprises an arm (K) that is located within the body (2) and triggers the first shaft (3) when triggered by the pilot, enabling the movement of the body (2) to be controlled, multiple wings (L) that are located on the body (2) and enable the body (2) to move, a second shaft (4) that triggers the wings (L), and a torque tube (5) that is activated by the pilot's arm (K) and triggers the wing (L). The pilot enables the first shaft (3) to move by triggering the arm (K). The first shaft (3) triggers the movement of the second shaft (4) via the torque tube (5). The wing (L) moves by the triggering of the second shaft (4), enabling the body (2) to fly. (Figure - 1 )

[0063] In one embodiment of the invention, the motion transmission element (1 ) comprises a housing (6) that is made of vibration-damping material. In this way, the torque tubes (5) that are located inside the housing (6) are minimally affected by vibration.

Claims

CLAIMS1- A motion transmission mechanism (1 ) comprising a body (2), a first shaft (3) that is located on the body (2), is activated by the user, and provides motion transmission, a second shaft (4) that is triggered by the first shaft (3) and transmits the motion it receives from the first shaft (3), a ground (Z) that is located on the body (2) to which the first shaft (3) and the second shaft (4) are connected, more than one torque tube (5) that are located between the first shaft (3) and the second shaft (4) and transmit the motion they receive from the first shaft (3) to the second shaft (4), and at least one housing (6) that is located on the body (2) and almost completely surrounds the torque tube (5), characterised by a ceiling (601 ) that is located on the housing (6) and on which the torque tube (5) is positioned, multiple bearing elements (7) that at least partially bed the moment formed between the first shaft (3) and the second shaft (4) on the torque tube (5) and carry the torque tube (5), and multiple walls (602) that compensate for the load formed on the ceiling (601 ), are located on the housing (6), and extend between the ceiling (601 ) and the ground (Z), enabling the housing (6) to surround the torque tube (5).2- A motion transmission mechanism (1 ) according to Claim 1 , characterised by the first shaft (3) that moves linearly when triggered by the user, the torque tube (5) that moves by means of the first shaft (3) and rotates around its own axis to move the second shaft (4) linearly in a direction different from the direction in which the first shaft (3) moves, the bearing element (7) that is form-fitted with the torque tube (5) and supports the torque tube (5) and the bearing element (7), the ceiling (601 ) that carries the torque tube (5) and the bearing element (7), and counteracts the moment the torque tube (5) is exposed to, and the wall (602) that carries the ceiling (601 ), supports the moment the ceiling (601 ) is exposed to, and enables the ceiling (601 ) to be positioned on the body (2).3- A motion transmission mechanism (1 ) according to Claim 1 or Claim 2, characterised by bearing elements (7) and torque tubes (5), at least one of which is positioned on the centre on the direction where the ceiling (601 ) extends between the walls (602) and at least two of which are positioned close to the diagonals so as to take the one in the centre between them, distributing the weight over the ceiling (601 ).4- A motion transmission mechanism (1 ) according to any of the previous claims, characterised by a holder (701 ) that is located on the ceiling (601 ), and forms the bearing element (7), a bearing (702) that is positioned inside the holder (701 ), in contact with the torque tube (5), bears the moment of the torque tube (5), and forms the bearing element (7), and at least one first connector (B) that enables the holder (702) to be removably mounted on the ceiling (601 ).5- A motion transmission mechanism (1 ) according to Claim 4, characterised by torque tubes (5) at least one of which rotates in a different direction from the other, and a bearing (702) that rotates in the same direction as the torque tube (5) to which it is connected and supports the moment of the torque tube (5).6- A motion transmission mechanism (1 ) according to Claims 1 to 3, characterised by walls (602) that are located opposite each other so that they will be fixed on the body (2), a second connector (S) that is located on the housing (6) and allows the ceiling (601 ) to be removably attached to the walls (602), allowing the ceiling (601 ) and the walls (602) to come together to form the housing (6).7- A motion transmission mechanism (1 ) according to Claims 1 to 3, characterised by at least one hole (D) on the housing (6) through which the first shaft (3) or the second shaft (4) passes, the hole (D) that allows the first shaft (3) or the second shaft (4) to be connected to the torque tube (5), a gasket (C) that is located within the hole (D), surrounds the first shaft (3) or the second shaft (4) so that it can move, protects the torque tube (5) from external factors, and prevents the first shaft (3) and / or the second shaft (4) from contacting the housing (6).8- A motion transmission mechanism (1 ) according to Claims 1 to 3, characterised by at least one flange (9) extending from the ceiling (601 ) to the walls (602), enabling the ceiling (601 ) to grip the walls (602), balancing the load distribution carried by the ceiling (601 ).9- A motion transmission mechanism (1 ) according to any of the previous claims, characterised by a support element (8) that is located on the ground (Z), and supports the rotational movement of the torque tube (5) around itself.10- A motion transmission mechanism (1 ) according to any of the previous claims, characterised by the body (2) that is located in the rotary wing aircraft.11- A motion transmission mechanism (1 ) according to any of the previous claims, characterised by an arm (K) that is located within the body (2) and triggers the first shaft (3) when triggered by the pilot, enabling the movement of the body (2) to be controlled, multiple wings (L) that are located on the body (2) and enable the body (2) to move, a second shaft (4) that triggers the wings (L), and a torque tube (5) that is activated by the pilot's arm (K) and triggers the wing (L).12- A motion transmission mechanism (1 ) according to any of the previous claims, characterised by a housing (6) that is made of vibration-damping material.

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