CN113942665B - Air conditioner connector unlocking device - Google Patents

Abstract

The invention provides aircraft equipment, and particularly relates to an unlocking device for an air conditioner connector. The invention discloses an unlocking device of an air conditioner connector, which comprises an unlocking element and a connecting mechanism, wherein the unlocking element comprises a first power device, a first pull rope, a second power device and a second pull rope, the connecting mechanism comprises a third pull rope, one end of the first pull rope is connected with the first power device, the other end of the first pull rope is connected with the third pull rope, one end of the second pull rope is connected with the second power device, the other end of the second pull rope is connected with the third pull rope, one end of the third pull rope is used for connecting the air conditioner connector, the first power device is used for pulling the first pull rope to move in a direction away from the air conditioner connector, and the second power device is used for pulling the second pull rope to move in a direction away from the air conditioner connector. The unlocking device for the air conditioner connector ensures that the air conditioner connector can be reliably separated from an aircraft.

Description

Air conditioner connector unlocking device

technical field

The invention relates to aircraft equipment, in particular to an unlocking device for an air conditioner connector.

Background technique

The air conditioning connector assembly equipment is used in the aircraft air conditioning system to deliver clean air with specific requirements to the fairing to ensure that the payload is in a suitable environment. Conventional air conditioner connector assembly equipment is mainly composed of connectors, ventilation hoses, etc., and the structural forms include flange connectors, claw connectors, ball lock connectors, etc. The first two types of connectors are used in aircraft launch Before that, manual operation is required to separate the connector from the interface on the arrow, that is, personnel are required to be on duty during the launch of the aircraft. With the development of aerospace technology, in order to ensure the safety of front-line operators, the test site will enter the unattended state after the propellant filling is started. The ball lock connector can meet the requirements of unattended, so it is urgently needed. An air conditioner connector unlocking device that can ensure that a ball lock connector falls off reliably before an aircraft takes off.

Contents of the invention

The problem to be solved by the present invention is to provide an unlocking device for an air conditioner connector that ensures reliable separation of the air conditioner connector.

In order to solve the above problems, the present invention provides an unlocking device for an air conditioner connector, which includes an unlocking element and a connecting mechanism, the unlocking element includes a first power device, a first pull cord, a second power device, and a second pull cord,

The connection mechanism includes a third pull rope, one end of the first pull rope is connected to the first power device, the other end of the first pull rope is connected to the third pull rope, and the second pull rope One end is connected to the second power device, the other end of the second pull rope is connected to the third pull rope, and the connection between the third pull rope and the first pull rope and the second pull rope points are located at the same end, the other end of the third pull rope is used to connect the air conditioner connector, the first power device is used to pull the first pull rope to move away from the air conditioner connector, and the second The power device is used to pull the second pull rope to move away from the air conditioner connector.

Further, the connection mechanism also includes a connecting rod, the third pull cord is connected to the connecting rod, and the first pull cord and the second pull cord are connected to the third pull cord through the connecting rod. Drawstring connected.

Further, the connecting mechanism further includes a tension spring, and the tension spring is arranged between the connecting rod and the air conditioner connector.

Further, the connection mechanism also includes a rope clamp and a third fixed pulley, the first pulley and the second pulley are connected to each other, the third fixed pulley is arranged on the connecting rod, and the first pulley A stay cord and the second stay cord are wound on the third fixed pulley, and the rope clip hoop is at a position close to the third stay pulley of the first stay cord and the second stay cord place.

Further, the first power device includes an air cylinder, a piston rod, and a first air source, the first air source is connected to the air cylinder, one end of the piston rod is arranged in the air cylinder, and the other end of the piston rod One end is a free end, the first pull cord is connected to the free end of the piston rod, and when the piston rod is stretched out, the first pull cord moves away from the air conditioner connector.

Further, the first power device also includes a first mounting bracket, a first fixed pulley, a movable pulley, a second fixed pulley, a stay rope fixing frame, the cylinder, the first fixed pulley, and the second fixed pulley , the stay rope fixing brackets are all arranged on the first mounting bracket, the movable pulley is arranged on the free end of the piston rod, the first fixed pulley, the movable pulley, the second fixed pulley, the The stay cord fixing frames are arranged sequentially along the extension direction of the first stay cords, and the first stay cords are connected to the drawstring after bypassing the first fixed pulley, the movable pulley and the second fixed pulley in turn. on the rope holder.

Further, the second power device includes an air motor, a reel, and a second air source, the second air source is connected to the air motor, the air motor is connected to the reel, and the air motor drives The reel rotates, and the second pull cord is wound on the reel.

Further, both the first gas source and the second gas source are pressure-accumulated gas cylinders, the pressure-accumulated gas cylinders are connected to the cylinder through a first gas supply pipeline, and the pressure-accumulated gas cylinders are connected to each other through a second gas supply pipeline. For the air motor, a first valve is provided on the first air supply pipeline, and a second valve is provided on the second air supply pipeline.

Further, a flow-restricting orifice is arranged on the second air supply pipeline.

Further, a pressure gauge is provided on the pressure accumulating gas cylinder.

Because the unlocking element of an air conditioner connector unlocking device of the present invention includes a first power device, a first pull cord, a second power device, and a second pull cord, the first pull cord and the second pull cord are all connected to the third pull cord. Therefore, the first power unit and the second power unit simultaneously provide the unlocking force for the air-conditioning connector to fall off, and are mutually redundant, ensuring that the air-conditioning connector can be reliably separated from the aircraft when separation is required.

Description of drawings

FIG. 1 is a layout diagram of an air conditioner connector unlocking device installed on an air conditioner connector according to an embodiment of the present invention;

2 is a schematic structural diagram of a connection mechanism in an unlocking device for an air conditioner connector according to an embodiment of the present invention;

Fig. 3 is a schematic structural diagram of an unlocking element in an unlocking device for an air conditioner connector according to an embodiment of the present invention;

Fig. 4 is a schematic structural diagram of the first power device in an unlocking device for an air conditioner connector according to an embodiment of the present invention when the air conditioner connector is not unlocked;

Fig. 5 is a schematic structural diagram of the first power device in an unlocking device for an air conditioner connector according to an embodiment of the present invention when the air conditioner connector is unlocked;

Fig. 6 is a schematic diagram of an air circuit of an unlocking element in an unlocking device for an air conditioner connector according to an embodiment of the present invention.

Detailed ways

In order to make the above objects, features and advantages of the present invention more comprehensible, specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

The directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left" and "right" appearing in the embodiments of the present invention are based on the orientation or positional relationships shown in the drawings , is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the referred device must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "setting", "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, or Can be detachably connected, or integrally connected; can be mechanically connected; can be directly connected, can also be indirectly connected through an intermediary; for those of ordinary skill in the art, can understand the above terms in the present invention according to specific circumstances Concrete meaning.

If there are descriptions involving "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. Significance or implicitly indicates the number of technical features indicated.

An unlocking device for an air conditioner connector according to an embodiment of the present invention, as shown in Fig. 1, Fig. 2 and Fig. Two power devices 42, the second pull cord 420, the connecting mechanism 3 includes a third stay cord 31, one end of the first stay cord 410 is connected with the first power device 41, and the other end of the first stay cord 410 is connected with the third stay cord 31 , one end of the second pull cord 420 is connected to the second power unit 42, the other end of the second stay cord 420 is connected to the third stay cord 31, the other end of the third stay cord 31 is used to connect the air conditioner connector 1, the first power unit 41 is used to pull the first pull rope 410 to move away from the air conditioner connector 1, thereby driving the third pull rope 31 to move away from the air conditioner connector 1, and the second power device 42 is used to pull the second pull rope 420 to move toward Moving away from the air conditioner connector 1 drives the third pull cord 31 to move away from the air conditioner connector 1 , and the third pull cord 31 provides unlocking force for the air conditioner connector 1 and the interface on the aircraft to fall off each other. Since the unlocking element 4 of an air conditioner connector unlocking device of the present invention includes a first power device 41, a first pull cord 410, a second power device 42, a second pull cord 420, a first pull cord 410, and a second pull cord 420 Both are connected with the third pull rope 31, so the first power unit 41 and the second power unit 42 provide unlocking force for the air conditioner connector 1 to fall off at the same time, and are mutually redundant, ensuring that the air conditioner connector 1 can be separated from the aircraft when it needs to be separated. reliable separation.

Optionally, the connection mechanism 3 also includes a connecting rod 32, one end of the third pull cord 31 connected to the first pull cord 410 and the second pull cord 420 is connected to the connecting rod 32, the first pull cord 410 and the second pull cord 410 The ropes 420 are all connected to the third pulling rope 31 through the connecting rod 32 . Specifically, the connecting rod 32 is provided with a first connecting piece and a second connecting piece, the first connecting piece and the second connecting piece are parallel to each other, the first connecting piece and the second connecting piece are respectively opened with a first connecting hole, a second Connecting hole, the connecting head of the third stay cord 31 is provided with a third connecting hole, the connecting head of the third stay cord 31 is arranged between the first connecting piece and the second connecting piece, and the connecting bolts pass through the first connecting piece in turn. The hole, the third connecting hole and the second connecting hole connect the third pull cord 31 and the connecting rod 32 to each other.

Optionally, the connecting mechanism 3 further includes a tension spring 33 disposed between the connecting rod 32 and the air conditioner connector 1 . Due to the setting of the tension spring 33, after the air-conditioning connector unlocking device of the present invention drives the air-conditioning connector 1 to fall off from the aircraft, it can prevent the air-conditioning connector 1 from bouncing back and hitting the aircraft, and avoiding damage to the aircraft.

Optionally, the connection mechanism 3 also includes a rope clamp 34 and a third fixed pulley 35. The first pulley 410 and the second pulley 420 are connected to each other to form a rope. The third fixed pulley 35 is arranged on the connecting rod 32. A rope formed by the stay cord 410 and the second stay cord 420 is wound around the third fixed pulley 35, and the rope clamp 34 is clamped at the position near the third stay pulley 35 of the first stay cord 410 and the second stay cord 420 When the first power device 41 drives the first pull cord 410 to move away from the air conditioner connector 1 or when the second power device 42 drives the second pull cord 420 to move away from the air conditioner connector 1, it can pass through the third The pull rope 31 exerts an unlocking force on the air conditioner connector 1 to further ensure that the air conditioner connector 1 can be reliably separated from the aircraft when separation is required.

Optionally, as shown in Figures 4 and 5, the first power device 41 includes a cylinder 411, a piston rod 412, and a first air source, the first air source is connected to the cylinder 411, and one end of the piston rod 412 is arranged in the cylinder 411, The other end of the piston rod 412 is a free end. The first pull cord 410 is connected to the free end of the piston rod 412 . When the piston rod 412 is stretched out, the first pull cord 410 moves away from the air conditioner connector 1 . When the first air source does not input control air to the cylinder 411, as shown in Figure 4, the piston rod 412 is at the lowest point, the air conditioner connector 1 is connected to the aircraft, and when the first air source inputs control air to the cylinder 411, as shown in the figure 5, the piston rod 412 stretches out, driving the first pull rope 410 to move away from the air conditioner connector 1, and when the piston rod 412 reaches the highest point, the air conditioner connector 1 is separated from the aircraft.

Optionally, the first power unit 41 also includes a first mounting bracket 413, a first fixed pulley 414, a movable pulley 415, a second fixed pulley 416, a stay rope fixing frame 417, a cylinder 411, a first fixed pulley 414, a second fixed pulley Pulley 416, stay cord fixed mount 417 are all arranged on the first mounting bracket 413, movable pulley 415 is arranged on the free end of piston rod 412, first fixed pulley 414, movable pulley 415, second fixed pulley 416, stay cord fixed mount 417 The extension directions of the first pulleys 410 are arranged sequentially, and the first pulleys 410 are connected to the pulley fixing frame 417 after passing around the first fixed pulley 414 , the movable pulley 415 , and the second fixed pulley 416 in turn.

Optionally, the second power device 42 includes an air motor 421, a reel 422, and a second air source, the second air source is connected to the air motor 421, the air motor 421 is connected to the reel 422, and the air motor 421 drives the reel 422 to rotate , the second pull cord 420 is wound on the reel 422 . When the second air source provides air consumption for the air motor 421, the air motor 421 drives the reel 422 to rotate, tightens the second pull rope 420, drives the third pull rope 31 to apply an unlocking force to the air conditioner connector 1, and makes the air conditioner Connector 1 is separated from the aircraft. Since the first power unit 41 includes a cylinder 411 and a piston rod 412, and the second power unit 42 includes an air motor 421 and a reel 422, the power unit adopts a scheme without a swing rod and a bracket, which reduces the impact on the external system, and The cylinder and air motor are simple in structure, easy to obtain, and easy to realize productization and modularization. At the same time, the air motor can realize the rapid recovery of the air conditioner connector 1, ensuring that the air conditioner connector 1 is unlocked and separated to reserve enough safety distance for the safe takeoff of the aircraft.

Optionally, as shown in Fig. 3 and Fig. 6, both the first gas source and the second gas source use a pressure accumulator cylinder 43, and the pressure accumulator cylinder 43 is connected to the cylinder 411 through the first gas supply pipeline 431, and the pressure accumulator cylinder 43 passes through the first gas supply pipeline 431. Two air supply pipelines 432 are connected to the air motor 421, the first air supply pipeline 431 is provided with a first valve 433, and the second air supply pipeline 432 is provided with a second valve 434, specifically, the first valve 433, the second valve 434 Both are solenoid valves. When the first valve 433 and the second valve 434 are not energized, the first air supply pipeline 431 and the second air supply pipeline 432 are disconnected, and the pressure accumulator cylinder 43 does not supply air to the air motor 421 and the cylinder 411. The air conditioner connector 1 is connected with the aircraft. When the first valve 433 and the second valve 434 are energized, the pressure storage cylinder 43 supplies air to the air motor 421 and the cylinder 411, and the first pull rope 410 and the second pull rope 420 are tightened to drive The third pull rope 31 applies an unlocking force to the air conditioner connector 1 to separate the air conditioner connector 1 from the aircraft. Both the first air source and the second air source use the pressure accumulator gas cylinder 43, which not only has a simpler and more compact structure and a more reasonable layout, but also ensures the stability of the air source pressure of the air supply pipeline during the detachment of the air conditioner connector 1, and improves the air motor and At the same time, because the first valve 433 is set on the first air supply line 431, and the second valve 434 is set on the second air supply line 432, it can avoid the air conditioner connector 1 due to the failure of the single-way valve. A situation where it cannot come off occurs.

Optionally, a flow-restricting orifice 435 is provided on the second air supply pipeline 432 to facilitate the control of the air supply rate.

Optionally, a pressure gauge 436 is provided on the accumulator gas cylinder 43 . Specifically, the accumulator gas cylinder 43 is connected with an air outlet channel, and the pressure gauge 436 is arranged on the air outlet channel to display the gas supply pressure in the accumulator gas cylinder 43 .

Although the present disclosure is disclosed as above, the protection scope of the present disclosure is not limited thereto. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present disclosure, and these changes and modifications will all fall within the protection scope of the present invention.

Claims (5)

1. An unlocking device of an air conditioner connector is characterized by comprising an unlocking element (4) and a connecting mechanism (3), wherein the unlocking element (4) comprises a first power device (41), a first pull rope (410), a second power device (42) and a second pull rope (420),

the connecting mechanism (3) comprises a third pull rope (31), one end of the first pull rope (410) is connected with the first power device (41), the other end of the first pull rope (410) is connected with the third pull rope (31), one end of the second pull rope (420) is connected with the second power device (42), the other end of the second pull rope (420) is connected with the third pull rope (31), the connecting point of the third pull rope (31) and the first pull rope (410) and the second pull rope (420) are positioned at the same end, the other end of the third pull rope (31) is used for being connected with an air-conditioning connector (1), the first power device (41) is used for pulling the first pull rope (410) to move in a direction away from the air-conditioning connector (1), the second power device (42) is used for pulling the second pull rope (420) to move in a direction away from the air-conditioning connector (1), the connecting mechanism (3) further comprises a connecting rod (32), the third pull rope (31) is connected with the third pull rope (31) and the connecting rod (33) through the connecting rod (32), tension spring (33) set up in between connecting rod (32) and air conditioner connector (1), coupling mechanism (3) still include rope clamp (34), third fixed pulley (35), first stay cord (410) second stay cord (420) interconnect, third fixed pulley (35) set up in on connecting rod (32), first stay cord (410) second stay cord (420) wind on third fixed pulley (35), rope clamp (34) clamp in first stay cord (410) second stay cord (420) be close to in the position department of third fixed pulley (35), first power device (41) include cylinder (411), piston rod (412), first air supply with cylinder (411) are connected, piston rod (412) one end set up in cylinder (411), the other end of first stay cord (410) is the free end, first stay cord (410) with free end (412) are connected, when first stay cord (412) are connected, first power device (416) are stretched out to first fixed pulley (41), first power device (416), first power device (41) are still stretched out to piston rod (412), first power device (41) are including fixed pulley (41), first movable pulley (415) are connected to the first movable pulley (41) Stay cord mount (417), cylinder (411) first fixed pulley (414) second fixed pulley (416) stay cord mount (417) all set up in on first installing support (413), movable pulley (415) set up in the free end of piston rod (412), first fixed pulley (414) movable pulley (415) second fixed pulley (416) stay cord mount (417) are followed the extending direction of first stay cord (410) is arranged in proper order, first stay cord (410) are walked around in proper order first fixed pulley (414) movable pulley (415) second fixed pulley (416) back connect in on stay cord mount (417).

2. The air conditioner connector unlocking device according to claim 1, wherein the second power device (42) comprises a pneumatic motor (421), a winding drum (422) and a second air source, the second air source is connected with the pneumatic motor (421), the pneumatic motor (421) is connected with the winding drum (422), the pneumatic motor (421) drives the winding drum (422) to rotate, and the second pull rope (420) is wound on the winding drum (422).

3. The air conditioner connector unlocking device according to claim 2, wherein the first air source and the second air source are both pressure-accumulating air cylinders (43), the pressure-accumulating air cylinders (43) are connected with the air cylinders (411) through first air supply pipelines (431), the pressure-accumulating air cylinders (43) are connected with the pneumatic motor (421) through second air supply pipelines (432), a first valve (433) is arranged on the first air supply pipelines (431), and a second valve (434) is arranged on the second air supply pipelines (432).

4. An air conditioner connector unlocking device according to claim 3, wherein the second air supply line (432) is provided with a restriction orifice plate (435).

5. The air conditioner connector unlocking device according to claim 4, wherein a pressure gauge (436) is provided on the accumulator (43).