CN105882974A - Air cargo position adjusting device - Google Patents

Abstract

The invention discloses an air cargo position adjusting device and relates to the field of air transportation. The air cargo position adjusting device comprises a mounting base, a motor, a transmission shaft, at least three pulleys and a flexible rope, wherein the mounting base is mounted on the floor on the outer side of an aircraft cargo compartment guide rail; the motor is mounted on the mounting base and is a forward-reverse-rotation motor and used for driving the transmission shaft; the pulleys are arranged at the mooring connectors of an aircraft cargo compartment floor; two of the pulleys are arranged on two sides of a cargo, and one pulley is arranged on the outer side of the connecting line of the two pulleys; two ends of the transmission shaft are respectively connected to two sides of the cargo through the flexible rope, and the flexible rope is supported by the pulleys. The air cargo position adjusting device has the advantages that when a cargo position needs to be adjusted, the flexible rope is connected to two sides of the cargo, the position of the cargo can be adjusted forwardly and backwardly by starting the motor, safety and reliability are achieved, and smooth flight during the cargo position adjusting is guaranteed favorably.

Description

Air cargo position adjustment device

technical field

The invention relates to the technical field of air transportation, in particular to an air cargo position adjustment device.

Background technique

In terms of safety adjustment of air cargo position, there are many structural forms at home and abroad. Generally, the front and rear limit mechanisms are used to move manually, which is difficult to move the cargo, and there are certain safety hazards. limited by external conditions.

Contents of the invention

The object of the present invention is to provide an air cargo adjustment device to solve or at least alleviate at least one of the problems in the background art.

The technical scheme adopted in the present invention is: provide a kind of air cargo position adjustment device, comprise installation base, motor, transmission shaft, pulley and flexible rope; On the installation base, the motor is a forward and reverse motor, which is used to drive the transmission shaft; the pulley is arranged at the mooring joint on the floor of the aircraft cargo hold; there are at least three pulleys, two of which are It is arranged on both sides of the goods, and a pulley is arranged on the outside of the line connecting the two pulleys; the two ends of the transmission shaft are respectively connected to both sides of the goods through the flexible ropes, and the flexible ropes are supported by the pulleys.

Preferably, the pulleys include a first pulley, a second pulley, a third pulley and a fourth pulley, wherein the first pulley and the fourth pulley are arranged on the centerline of the aircraft cargo floor, and the second pulley and the third pulley are arranged on On the outer floor of the aircraft cargo compartment guide rail, the installation base is installed between the second pulley and the third pulley.

Preferably, the positions of the first pulley, the second pulley, the third pulley and the fourth pulley are at the four vertices of a rectangle, and the installation base is arranged in the middle of the line connecting the second pulley and the fourth pulley Location.

Preferably, the air cargo position adjustment device further includes a tensioning device, and the tensioning device is arranged between the second pulley and the first pulley, or between the third pulley and the fourth pulley.

Preferably, the tensioning device is a movable pulley, the flexible rope passes around the surface of the movable pulley, and the movable pulley can adjust its position close to or away from the goods.

Preferably, the air cargo position adjustment device further includes a braking device, and the braking device is used to limit the rotation of the motor.

Preferably, the brake device is a brake wheel, and the brake wheel is connected to the drive shaft of the motor. When the motor is in a working state, the brake wheel follows the drive shaft of the motor. When the motor is in a non-working state, the brake wheel is held tightly by the brake to limit the rotation of the drive shaft.

Preferably, the motor is a stepless speed regulation motor.

The beneficial effects of the present invention are: the air cargo position adjustment device of the present invention is simple in structure and easy to operate. When the position of the cargo needs to be adjusted, the two sides of the cargo are connected by flexible ropes, and the position of the cargo can be adjusted back and forth by starting the motor, which is safe and reliable. . It is beneficial to regulate the smooth flight of the aircraft.

Description of drawings

Fig. 1 is a schematic diagram of an air cargo position adjustment device according to an embodiment of the present invention.

Among them, 1-first pulley, 2-second pulley, 3-flexible rope, 4-installation base, 5-motor, 6-transmission shaft, 7-third pulley, 8-cargo compartment guide rail, 9-fourth pulley, 10 - cargo, 11 - cargo floor.

detailed description

In order to make the objectives, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be described in more detail below in conjunction with the drawings in the embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are some, but not all, embodiments of the invention. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention. Embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

In describing the present invention, it is to be understood that the terms "central", "longitudinal", "transverse", "front", "rear", "left", "right", "vertical", "horizontal", The orientations or positional relationships indicated by "top", "bottom", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the Means that a device or element must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as limiting the scope of the invention.

As shown in Figure 1, a kind of air cargo position adjustment device comprises installation base 4, motor 5, power transmission shaft 6, pulley and flexible rope; Installation base 4 is installed on the outside floor of aircraft cargo compartment guide rail 8; Motor 5 is installed on the installation On the base 4, the motor is a forward and reverse motor, which is used to drive the transmission shaft 6; the pulley is arranged at the mooring joint on the floor of the aircraft cargo hold; there are at least three pulleys, two of which are arranged on both sides of the cargo 10 A pulley is arranged on the outside of the line connecting the two pulleys; the two ends of the transmission shaft 6 are respectively connected to both sides of the cargo 10 through the flexible rope 3, and the flexible rope 3 is supported by the pulley.

The air cargo position adjustment device of the present invention is simple in structure and easy to operate. When the position of the cargo needs to be adjusted, the two sides of the cargo are connected through the flexible rope 3, and the position of the cargo can be adjusted forward and backward by starting the motor 5, which is safe and reliable. Especially for aircraft that need to perform airdrop missions, when the aircraft is airdropped, the center of gravity of the aircraft changes, which may easily cause the aircraft to become unstable. By adjusting the position of the cargo in the cargo compartment, it is beneficial to adjust the smooth flight of the aircraft.

In this embodiment, the pulleys include a first pulley 1, a second pulley 2, a third pulley 7 and a fourth pulley 9, wherein the first pulley 1 and the fourth pulley 9 are arranged on the centerline of the aircraft cargo floor 11, the second The second pulley 2 and the third pulley 7 are arranged on the outer floor of the aircraft cargo compartment guide rail 8, and the installation base 4 is installed between the second pulley 2 and the third pulley 7. One of the flexible ropes is jointly supported by the first pulley 1 and the second pulley 2, one end is connected to the cargo, and the other end is connected to the transmission shaft; the other flexible rope is jointly supported by the third pulley 7 and the fourth pulley 9, and one end is connected to the transmission shaft 6 The other end, the other end is connected to the goods; the goods connected by the two flexible ropes are two opposite directions on the goods.

In this embodiment, the positions of the first pulley 1, the second pulley 2, the third pulley 7 and the fourth pulley 9 are at four apex positions of a rectangle, and the connecting line between the first pulley 1 and the fourth pulley 9 is connected to the first pulley 9. The connection line of the second pulley 2 and the third pulley 7 is parallel, the connection line of the first pulley 1 and the second pulley 2 is parallel with the connection line of the third pulley 7 and the fourth pulley 9, and the mounting base 4 is arranged on the second pulley 2 and the fourth pulley 9. The middle position of the fourth pulley 9 line. The advantage is that the position of the goods can be adjusted to the greatest extent.

It can be understood that the air cargo position adjustment device can also be provided with a tensioning device, and the tensioning device is disposed between the second pulley 2 and the first pulley 1 , or between the third pulley 7 and the fourth pulley 9 . For example, in an alternative embodiment, the tensioning device is a movable pulley, the flexible rope 3 passes around the surface of the movable pulley, and the movable pulley can adjust its position close to or away from the goods. The movable pulley is fixed on the slide rail, and when the movable pulley slides away from the goods on the slide rail, the flexible rope 3 is tightened, and when the movable pulley slides on the slide rail close to the goods, the flexible rope 3 is relaxed. It can be understood that one movable pulley can be installed between the second pulley 2 and the first pulley 1 and between the third pulley 7 and the fourth pulley 9 at the same time, which has the advantage that it can be moved without moving the position of the goods. Tighten the flexible rope to secure the position of the cargo.

It can also be understood that the second pulley 2 and the third pulley 7 can also be movably connected with the mooring joint. For example, in an alternative embodiment, the second pulley 2 and the third pulley 7 can rotate around their mooring joints, and when rotating the second pulley 2 and the third pulley 7, the degree of tightness of the flexible rope 3 can be fine-tuned .

It can be understood that the air cargo position adjusting device of the present invention may also include a braking device, which is used to limit the rotation of the motor 5 . For example, in an alternative embodiment, the brake device is a brake wheel, the brake wheel is connected with the drive shaft of the motor 5, and the motor 5 is in the working state, the brake wheel and the drive shaft of the motor 5 follow, and the motor 5 In the non-working state, the brake wheel is held tightly by the brake to limit the rotation of the drive shaft. Its advantage is that, when the limiting device of the cargo on the floor of the aircraft fails, the cargo can also remain motionless under the pulling force of the flexible rope 3 .

In this embodiment, the motor is a stepless speed regulation motor. The advantage is that the position of the cargo can be adjusted smoothly to achieve precise adjustment, which is conducive to ensuring the smooth flight of the aircraft in the adjusted state.

When in use, when the aircraft is flying in the air, and the cargo in the cargo compartment needs to be adjusted in position, after the device is used to connect the cargo, the floor locks the cargo, and the motor 5 drives the transmission shaft 6 to rotate, and the transmission shaft 6 pulls the flexible rope. The cargo can be stably moved to the front or rear of the cargo compartment, preventing the cargo from being in danger due to the impact of the aircraft's flight overload during the movement. After moving the cargo to the designated position, lock it, and then release the device.

Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them. Although the present invention has been described in detail with reference to the aforementioned embodiments, those of ordinary skill in the art should understand that: it can still modify the technical solutions described in the aforementioned embodiments, or perform equivalent replacements for some of the technical features; and these The modification or replacement does not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims (8)

1. An air cargo position adjustment device, characterized in that it comprises a mounting base (4), a motor (5), a transmission shaft (6), a pulley and a flexible rope; The mounting base (4) is installed on the outer floor of the aircraft cargo compartment guide rail (8); The motor (5) is installed on the installation base (4), and the motor is a forward and reverse motor for driving the transmission shaft (6); The pulley is arranged at the mooring joint on the floor of the aircraft cargo hold; the pulley is provided with at least three, wherein two pulleys are arranged on both sides of the cargo (10), and one pulley is arranged on the outside of the connecting line of the two pulleys ; Two ends of the transmission shaft (6) are respectively connected to both sides of the cargo (10) through the flexible rope (3), and the flexible rope (3) is supported by the pulley. 2. The air cargo position adjustment device according to claim 1, characterized in that: the pulleys include a first pulley (1), a second pulley (2), a third pulley (7) and a fourth pulley (9) , wherein the first pulley (1) and the fourth pulley (9) are arranged on the centerline of the aircraft cargo hold floor (11), and the second pulley (2) and the third pulley (7) are arranged on the center line of the aircraft cargo hold guide rail (8) On the outer floor, the installation base (4) is installed between the second pulley (2) and the third pulley (7). 3. The air cargo position adjusting device according to claim 2, characterized in that: the positions of the first pulley (1), the second pulley (2), the third pulley (7) and the fourth pulley (9) At four vertices of a rectangle, the installation base (4) is arranged at the middle position of the line connecting the second pulley (2) and the fourth pulley (9). 4. The air cargo position adjustment device according to claim 3, characterized in that: the air cargo position adjustment device also includes a tensioning device, and the tensioning device is arranged on the second pulley (2) and the first pulley. between the pulleys (1), or between the third pulley (7) and the fourth pulley (9). 5. The air cargo position adjusting device as claimed in claim 4, characterized in that: the tensioning device is a movable pulley, the flexible rope passes around the surface of the movable pulley, and the movable pulley can approach or move away from The cargo adjusts its position. 6. The air cargo position adjustment device according to claim 5, characterized in that: the air cargo position adjustment device further comprises a braking device, and the braking device is used to limit the rotation of the motor. 7. Air cargo position adjustment device as claimed in claim 6, is characterized in that: described brake device is a brake wheel, and described brake wheel is connected with the driving shaft of described motor (5), and described motor ( 5) In the working state, the brake wheel follows the drive shaft of the motor (5), and in the non-working state of the motor (5), the brake wheel is held tightly by the brake to limit the rotation of the drive shaft. 8. The air cargo position adjustment device according to any one of claims 1 to 7, characterized in that: the motor is a stepless speed regulation motor.