Air conditioner connector docking device

Abstract

The application provides an air conditioner connector docking device, which comprises a docking mechanism, a guide cover and an arrow upper mouth cover; the docking mechanism carries the air conditioner connector; the guide cover and the arrow upper mouth cover are arranged on a fairing of a carrier rocket; along a launching direction of the carrier rocket, the guide cover is arranged above the arrow upper mouth cover; the docking mechanism is used in cooperation with the guide cover to dock the air conditioner connector with the arrow upper mouth cover. In the air conditioner connector docking device provided by the application, the docking mechanism, the guide cover and the arrow upper mouth cover are arranged, the guide cover and the arrow upper mouth cover are arranged on the fairing of the carrier rocket, the docking mechanism carries the air conditioner connector, the air conditioner connector is automatically docked with the arrow upper mouth cover by the centering and guiding of the docking mechanism and the guide cover, the reliability of launching the carrier rocket is ensured, and the danger of the on-site operation environment is eliminated.

Description

TECHNICAL FIELD

[0001] The application belongs to the field of launch vehicle docking equipment, and particularly relates to an air conditioner connector docking device. BACKGROUND

[0002] The air conditioner connector is a connecting interface of a ground air conditioner ventilation pipeline and a launch vehicle fairing, and is used for conveying dry and clean warm air to effective loads and instruments and equipment in the fairing to meet the requirements of the effective loads and the instruments and equipment on temperature and humidity control. In the "three-plane" launch mode, the air conditioner connector is usually detached from the interface on the launch vehicle before the launch vehicle is launched or after ignition. If the launch vehicle terminates the launch after the air conditioner connector is detached from the interface on the launch vehicle, manual docking needs to be performed within a certain time, which makes the operator be in a dangerous environment of flammability and explosiveness. For the case that the air conditioner connector is detached from the interface on the launch vehicle after ignition, although the danger of the operating environment of personnel can be eliminated, the action of detachment is brought to the takeoff flow process, which is easy to reduce the reliability of launch of the launch vehicle. SUMMARY

[0003] In order to at least partially overcome the problems in the related art, the application provides an air conditioner connector docking device.

[0004] According to the embodiments of the application, the air conditioner connector docking device comprises a docking mechanism, a guide cover and an on-vehicle cover; the docking mechanism carries the air conditioner connector, and the docking mechanism can be telescopically and pitch-rotated relative to a fairing of a launch vehicle; the guide cover and the on-vehicle cover are arranged on the fairing of the launch vehicle; along the launch direction of the launch vehicle, the guide cover is arranged above the on-vehicle cover; and the docking mechanism is used in cooperation with the guide cover to dock the air conditioner connector with the on-vehicle cover.

[0005] In the air conditioner connector docking device, the docking mechanism comprises a mounting frame, a telescopic frame, a docking assembly, an electric cylinder, a double-acting cylinder and a single-acting cylinder;

[0006] The mounting frame adopts an inverted T-shaped structure, two ends of the horizontal part of the mounting frame are connected to one end of the telescopic frame through first hook hinges, and the other end of the telescopic frame is connected to the docking assembly through a second hook hinge;

[0007] One end of the electric cylinder is connected to the vertical part in the mounting frame, and the other end of the electric cylinder is connected to the telescopic frame; the double-acting cylinder and the single-acting cylinder are arranged in the telescopic frame to drive the telescopic frame to be telescopically extended and retracted.

[0008] Further, the telescopic frame comprises two first longitudinal rods arranged in parallel, two second longitudinal rods arranged in parallel, two third longitudinal rods arranged in parallel, a first cross rod, a second cross rod and a third cross rod;

[0009] One end of the first longitudinal rod is connected with one end of the horizontal part of the mounting frame through a first hooke joint, and the other end is connected with one end of the second longitudinal rod, and the other end of the second longitudinal rod is connected with one end of the third longitudinal rod, and the other end of the third longitudinal rod is connected with the docking assembly through a second hooke joint; the first longitudinal rod, the second longitudinal rod and the third longitudinal rod cooperate to realize longitudinal telescopic guiding;

[0010] The first horizontal rod, the second horizontal rod and the third horizontal rod are arranged in parallel, the first horizontal rod is arranged between the two first longitudinal rods, the second horizontal rod is arranged between the two second longitudinal rods, and the third horizontal rod is arranged between the two third longitudinal rods.

[0011] Further, one end of the electric cylinder is connected with the vertical part in the mounting frame, and the other end is connected with the first horizontal rod.

[0012] The double-acting cylinder is arranged between the first horizontal rod and the second horizontal rod, one end of the double-acting cylinder is connected with the first horizontal rod, and the other end is connected with the second horizontal rod.

[0013] The single-acting cylinder is arranged between the second horizontal rod and the third horizontal rod, a fixed end of the single-acting cylinder is connected with the second horizontal rod, and an extending end of the single-acting cylinder penetrates out of the third horizontal rod; the single-acting cylinder is used to pull back the third horizontal rod in the direction close to the mounting frame in the working state.

[0014] Further, an elastic element is arranged between the second longitudinal rod and the third longitudinal rod, and the elastic element is used to adapt to the position change amount between the second longitudinal rod and the third longitudinal rod.

[0015] Further, the elastic element is one of a compression spring and a gas support.

[0016] Further, at both ends of the horizontal part in the mounting frame, a limiting plate is arranged outside the first hooke joint, and the limiting plate is used to limit the movement range of the telescopic frame.

[0017] Further, the docking assembly comprises an adapter, a guide rod, a cylinder unit and a suspension unit.

[0018] The adapter is used to match the guide cover during docking; a pair of guide rods is symmetrically arranged on both sides of the adapter; the opposite end of the guide rod connected with the adapter is connected with the telescopic frame through the second hooke joint.

[0019] The air cylinder unit is arranged between the two guide rods, and a sliding rail is arranged on the guide rods along the length direction of the guide rods, and the suspension unit is slidingly arranged on the sliding rail; the air cylinder unit is connected with the suspension unit, and the air cylinder unit is used for applying push-pull load to the suspension unit; and the suspension unit is used for suspending and pulling the air conditioner connector.

[0020] Further, the air cylinder unit comprises an air cylinder mounting plate and a push-pull air cylinder, the air cylinder mounting plate is arranged on the top of the two guide rods, and the two ends of the air cylinder mounting plate are connected with the guide rods respectively; the push-pull air cylinder is arranged on the air cylinder mounting plate; one end of the push-pull air cylinder is connected with the suspension unit, and the other end of the push-pull air cylinder is connected with the air cylinder mounting plate.

[0021] Further, the suspension unit comprises a hanger, a motor, a retractor and a guide wheel arranged on the hanger;

[0022] The hanger is arranged in parallel with the air cylinder mounting plate and is slidingly arranged on the sliding rail; the motor is connected with the retractor and is used for driving the retractor to rotate;

[0023] The guide wheel is arranged on the hanger in a spaced manner with the retractor, two winding drums are arranged in the retractor, a suspension cable is wound around each winding drum, one end of the suspension cable is connected with the winding drum, and the other end of the suspension cable passes through the guide wheel and is connected with the air conditioner connector.

[0024] According to the above specific embodiments of the present application, at least the following beneficial effects are obtained: the air conditioner connector docking device provided by the present application is provided with a docking mechanism, a guide cover and an arrow opening cover, the guide cover and the arrow opening cover are arranged on the fairing of the launch vehicle, the docking mechanism carries the air conditioner connector, the centering and guiding of the docking mechanism and the guide cover can enable the air conditioner connector to automatically dock with the arrow opening cover, which can ensure the reliability of the launch of the launch vehicle and eliminate the danger of the on-site operation environment.

[0025] The air conditioner connector docking device provided by the present application can adapt to the deformation amount of the launch vehicle through the telescopic frame structure, the connection mode of the telescopic frame structure and the first hooke joint and the connection mode of the docking assembly and the second hooke joint.

[0026] It should be understood that the above general description and the following specific embodiments are only exemplary and explanatory, and cannot limit the scope of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0027] The following drawings attached to the specification are part of the specification of the present application and show embodiments of the present application, and together with the description of the specification, serve to illustrate the principles of the present application.

[0028] Figure 1 A structure diagram of an air conditioner connector docking device and a fairing is provided for the specific embodiment of the present application.

[0029] Figure 2 A partial structure diagram of a docking mechanism in an air conditioner connector docking device is provided for the specific embodiment of the present application.

[0030] Figure 3 A structure diagram of a docking assembly in an air conditioner connector docking device is provided for the specific embodiment of the present application.

[0031] Figure 4 A docking state diagram of an air conditioner connector docking device is provided for the specific embodiment of the present application.

[0032] Figure 5 A docking state diagram of an air conditioner connector docking device is provided for the specific embodiment of the present application.

[0033] Figure 6 A docking state diagram of an air conditioner connector docking device is provided for the specific embodiment of the present application.

[0034] Figure 7 A docking state diagram of an air conditioner connector docking device is provided for the specific embodiment of the present application.

[0035] Figure 8 A docking state diagram of an air conditioner connector docking device is provided for the specific embodiment of the present application.

[0036] Figure 9 A docking state diagram of an air conditioner connector docking device is provided for the specific embodiment of the present application.

[0037] Explanation of reference signs:

[0038] 1, docking mechanism;

[0039] 11, mounting frame; 111, limiting plate;

[0040] 12, telescopic frame; 121, first longitudinal rod; 122, second longitudinal rod; 123, third longitudinal rod; 124, first transverse rod; 125, second transverse rod; 126, third transverse rod;

[0041] 13, docking assembly;

[0042] 131, adapter;

[0043] 132, guide rod; 1321, sliding rail;

[0044] 133, Cylinder unit; 1331, Cylinder mounting plate; 1332, Push-pull cylinder;

[0045] 134, Suspension unit; 1341, Hanger; 1342, Motor; 1343, Winder; 1344, Guide wheel; 1345, Suspension cable;

[0046] 14, Electric cylinder; 15, Double-acting cylinder; 16, Single-acting cylinder; 17, First hooke joint; 18, Second hooke joint;

[0047] 2, Guide cover;

[0048] 3, Arrow head cover;

[0049] 4, Air conditioner connector;

[0050] 10, Fairing. DETAILED DESCRIPTION

[0051] In order to make the objectives, technical solutions, and superiorities of the embodiments of the present application clearer, the following will clearly explain the spirits of the present application with the attached drawings and detailed description. Any person skilled in the art, after understanding the embodiments of the present application, can make changes and modifications to the technology taught by the present application without departing from the spirits and scopes of the present application.

[0052] The illustrative embodiments of the present application and their description are used to explain the present application, but not as a limitation to the present application. In addition, the same or similar elements / components in the drawings and embodiments are used to represent the same or similar parts.

[0053] As to the "first", "second", and the like used herein, they are not intended to particularly refer to the order or sequence, nor to limit the present application. They are merely used to distinguish the elements or operations described with the same technical terms.

[0054] As to the "comprise", "include", "have", "contain", and the like used herein, they are all open terms, i.e. meaning comprising but not limited to.

[0055] As to the "and / or" used herein, it includes any or all combinations of the mentioned things.

[0056] As to the "plurality" herein, it includes "two" and "more than two"; as to the "multiple groups" herein, it includes "two groups" and "more than two groups".

[0057] Some words used to describe the present application will be discussed below or at other places in this specification to provide additional guidance to those skilled in the art on the description related to the present application.

[0058] As Figure 1As shown, the air conditioner connector docking device provided by the embodiment of the application comprises a docking mechanism 1, a guide cover 2 and a rocket upper mouth cover 3. The docking mechanism 1 carries an air conditioner connector 4 and can be extended and rotated in pitch relative to the fairing of the launch vehicle. The guide cover 2 and the rocket upper mouth cover 3 are arranged on the fairing 10 of the launch vehicle. In the launch direction of the launch vehicle, the guide cover 2 is arranged above the rocket upper mouth cover 3. The docking mechanism 1 is used in cooperation with the guide cover 2 to dock the air conditioner connector 4 with the rocket upper mouth cover 3.

[0059] In a specific embodiment, as shown, Figure 2 The docking mechanism 1 comprises a mounting frame 11, an extension frame 12, a docking assembly 13, an electric cylinder 14, a double-acting cylinder 15 and a single-acting cylinder 16.

[0060] The mounting frame 11 adopts an inverted T-shaped structure. The two ends of the horizontal part are connected to one end of the extension frame 12 through a first hooke joint 17, and the other end of the extension frame 12 is connected to the docking assembly 13 through a second hooke joint 18. The first hooke joint 17 can adjust the posture of the extension frame 12 relative to the horizontal part of the mounting frame 11, and the second hooke joint 18 can adjust the posture of the docking assembly 13 in the pitch and horizontal states, so that the docking mechanism 1 has self-adaptive capability.

[0061] Specifically, the extension frame 12 comprises two first longitudinal rods 121 arranged in parallel, two second longitudinal rods 122 arranged in parallel, two third longitudinal rods 123 arranged in parallel, a first horizontal rod 124, a second horizontal rod 125 and a third horizontal rod 126. One end of the first longitudinal rod 121 is connected to one end of the horizontal part of the mounting frame 11 through the first hooke joint 17, the other end is connected to one end of the second longitudinal rod 122, the other end of the second longitudinal rod 122 is connected to one end of the third longitudinal rod 123, and the other end of the third longitudinal rod 123 is connected to the docking assembly 13 through the second hooke joint 18. The first longitudinal rod 121, the second longitudinal rod 122 and the third longitudinal rod 123 cooperate to realize longitudinal extension and guidance. In addition, an elastic element (not shown in the figure) is arranged between the second longitudinal rod 122 and the third longitudinal rod 123, and the elastic element is used to automatically adapt the position change amount between the second longitudinal rod 122 and the third longitudinal rod 123. Specifically, the elastic element can be a compression spring or a gas support.

[0062] The first horizontal rod 124, the second horizontal rod 125 and the third horizontal rod 126 are arranged in parallel. The first horizontal rod 124 is arranged between the two first longitudinal rods 121, the second horizontal rod 125 is arranged between the two second longitudinal rods 122, and the third horizontal rod 126 is arranged between the two third longitudinal rods 123.

[0063] One end of the electric cylinder 14 is connected to the vertical part of the mounting frame 11, and the other end is connected to the first horizontal rod 124. The electric cylinder 14 is used to adjust the pitch of the docking mechanism 1.

[0064] The double-acting cylinder 15 is arranged between the first cross bar 124 and the second cross bar 125, one end of which is connected with the first cross bar 124 and the other end of which is connected with the second cross bar 125. The normal state of the double-acting cylinder 15 is the retracted state, and the working state is the extended state.

[0065] The single-acting cylinder 16 is arranged between the second cross bar 125 and the third cross bar 126, the fixed end of which is connected with the second cross bar 125 and the extended end of which is arranged to pass through the third cross bar 126. The single-acting cylinder 16 is used to pull back the third cross bar 126 in the direction close to the mounting frame 11 in the working state. The third cross bar 126 is used to limit the recovery of the extended end of the single-acting cylinder 16. The normal state of the single-acting cylinder 16 is the pneumatic recovery state, and the working state is the reset state.

[0066] In a specific embodiment, as shown in FIG. 1, the mounting frame 11 is arranged to be connected with the guide cover 2 through the telescopic frame 12. Figure 2 Limiting plates 111 are arranged at both ends of the horizontal part of the mounting frame 11 outside the first hook joint 17, which are used to limit the movement range of the telescopic frame 12.

[0067] In a specific embodiment, as shown in FIG. 1, the docking assembly 13 includes an adapter 131, guide rods 132, a cylinder unit 133 and a suspension unit 134. The adapter 131 is used to match with the guide cover 2 in the docking process. A pair of guide rods 132 are symmetrically arranged at both sides of the adapter 131. The opposite ends of the guide rods 132 connected with the adapter 131 are connected with the telescopic frame 12 through the second hook joint 18. Figure 3 The cylinder unit 133 is arranged between the two guide rods 132 and on the guide rods 132. The guide rods 132 are provided with sliding rails 1321 along the length direction of the guide rods 132, and the suspension unit 134 is slidingly arranged on the sliding rails 1321. The cylinder unit 133 is connected with the suspension unit 134, and is used to apply a push-pull load to the suspension unit 134, so that the suspension unit 134 can slide forward and backward relative to the sliding rails 1321 along the length direction of the guide rods. The suspension unit 134 is used to suspend and pull the air conditioner connector 4.

[0068] Specifically, the cylinder unit 133 includes a cylinder mounting plate 1331 and a push-pull cylinder 1332. The cylinder mounting plate 1331 is arranged at the top of the two guide rods 132 and is connected with the guide rods 132 at both ends thereof. The push-pull cylinder 1332 is arranged on the cylinder mounting plate 1331. The push-pull cylinder 1332 can be a double-acting cylinder. One end of the push-pull cylinder 1332 is connected with the suspension unit 134, and the other end thereof is connected with the cylinder mounting plate 1331.

[0069]

[0070] ​The suspension unit 134 comprises a hanger 1341 and a motor 1342, a retractor 1343 and a guide wheel 1344 arranged on the hanger 1341. The hanger 1341 is arranged in parallel with the cylinder mounting plate 1331 and is slidingly arranged on the slide rail 1321. The motor 1342 is connected with the retractor 1343 and is used to drive the retractor 1343 to rotate. The guide wheel 1344 is arranged on the hanger 1341 in a spaced manner with the retractor 1343, two winding drums are arranged in the retractor 1343, and a suspension cable 1345 is wound around each winding drum. One end of the suspension cable 1345 is connected with the winding drum, and the other end of the suspension cable 1345 passes through the guide wheel 1344 and is connected with the hanging point of the air conditioner connector 4. Under the driving of the motor 1342, the two winding drums synchronously wind and unwind the two suspension cables 1345, so as to realize the suspension and recovery traction of the air conditioner connector 4.

[0071] The guide wheel 1344 is used to guide the suspension cable 1345 and prevent the two suspension cables 1345 from being wound together.

[0072] One end of the push-pull cylinder 1332 is connected with the hanger 1341 and is used to drive the hanger 1341 to slide forward and backward on the slide rail 1321 along the length direction of the guide rod 132, so as to change the relative position between the air conditioner connector 4 suspended by the suspension cable 1345 and the hanger 1341.

[0073] As shown in FIG. 1, Figures 4-9 the air conditioner connector docking device provided in the embodiment of the present application is used for secondary docking of the air conditioner connector 4, and the specific process is as follows:

[0074] S1, initial state:

[0075] The air conditioner connector 4 is connected with the arrow head cover 3, and the electric cylinder 14, the double-acting cylinder 15, the single-acting cylinder 16 and the push-pull cylinder 1332 are all in the recovery state. Under the action of the electric cylinder, the telescopic frame 12 is retracted into the vertical part of the mounting frame 11, the first longitudinal rod 121, the second longitudinal rod 122 and the third longitudinal rod 123 are all in the retracted state, the docking assembly 13 is away from the fairing 10, and the suspension cable 1345 is pulled out from the retractor 1343 and is in a relaxed state.

[0076] S2, normal falling off of the air conditioner connector 4:

[0077] The air conditioner connector 4 is separated from the arrow head cover 3, and the air conditioner connector 4 is hung below the hanger 1341 after falling off.

[0078] S3, recovery of the air conditioner connector 4:

[0079] The motor 1342 drives the retractor 1343 to recover the suspension cable 1345, until the hanging point of the air conditioner connector 4 reaches the clamping position below the hanger 1341, and the air conditioner connector 4 has no relative movement with the hanger 1341.

[0080] S4, the docking mechanism 1 is docked and positioned:

[0081] The single-acting cylinder 16 resets and releases the third longitudinal rod 123, which drives the third transverse rod 126 to extend in the direction of the carrier rocket under the drive of the elastic element between the second longitudinal rod 122; the top rod of the double-acting cylinder 15 extends and pushes the second transverse rod 125, which drives the second longitudinal rod 122 to extend from the first longitudinal rod 121; the adapter 131 approaches the fairing 10 in this process, contacts the fairing 10 until it is attached to the fairing 10; after the adapter 131 is attached to the fairing 10, the electric cylinder 14 is driven to extend, thereby driving the docking mechanism 1 as a whole to rotate around the mounting frame 11; in this process, the third longitudinal rod 123 compresses the elastic element between the second longitudinal rod 122 to adapt to the shortening of the distance between the mounting frame 11 and the fairing 10, and the guide cover 2 gradually attaches to the adapter 131 after entering the opening of the adapter 131, and finally realizes the accurate positioning of the adapter 131 and the on-rocket cover 3.

[0082] S5, the air conditioner connector 4 is docked:

[0083] The push-pull cylinder 1332 pushes the hanger 1341 to slide along the slide rail 1321 to the carrier rocket, so that the air conditioner connector 4 is close to the on-rocket cover 3. When the air conditioner connector 4 is centered and attached to the on-rocket cover 3, the air supply is locked to the air conditioner connector 4.

[0084] S6, the docking mechanism 1 is reset:

[0085] The motor 1342 drives the retractor 1343 to release the suspension cable 1345, the electric cylinder 14 is retracted, and the docking mechanism 1 as a whole is rotated around the mounting frame 11 to pull up; the double-acting cylinder 15 is retracted, the single-acting cylinder 16 is retracted, and the docking mechanism 1 is reset.

[0086] The air conditioner connector docking device provided by the application can realize automatic docking of the air conditioner connector 4 and the on-rocket cover 3 by setting the docking mechanism 1 and the guide cover 2, so that the air conditioner connector 4 can be automatically docked with the on-rocket cover 3 before the carrier rocket is launched, and the secondary docking can be completed without on-site personnel operation after the launch is terminated, which can ensure the reliability of the carrier rocket launch and eliminate the danger of on-site personnel operation environment.

[0087] The air conditioner connector docking device provided by the application can realize the adaptability of the docking mechanism 1 to the deformation of the carrier rocket through the multi-link structure and the connection mode of the hook joint.

[0088] The above is only a specific embodiment of the application, and any equivalent changes and modifications made by those skilled in the art without departing from the concept and principles of the application shall fall within the scope of protection of the application.

Claims

1. An air conditioner connector mating device, characterized by comprising: The docking mechanism, the guide cover and the on-rocket mouth cover are included; The docking mechanism carries the air conditioner connector, and the docking mechanism can be extended and rotated relative to the fairing of the carrier rocket; The guide cover and the on-rocket mouth cover are arranged on the fairing of the carrier rocket; along the launch direction of the carrier rocket, the guide cover is arranged above the on-rocket mouth cover; The docking mechanism is used in cooperation with the guide cover to dock the air conditioner connector with the on-rocket mouth cover; The docking mechanism includes a mounting frame, an extension frame, a docking assembly, an electric cylinder, a double-acting cylinder and a single-acting cylinder; The mounting frame adopts an inverted T-shaped structure, the two ends of the horizontal part of the mounting frame are connected with one end of the extension frame through first hooke hinges, and the other end of the extension frame is connected with the docking assembly through a second hooke hinge; One end of the electric cylinder is connected with the vertical part in the mounting frame, and the other end of the electric cylinder is connected with the extension frame; the double-acting cylinder and the single-acting cylinder are arranged in the extension frame to drive the extension frame to extend and retract; The docking assembly includes an adapter, guide rods, a cylinder unit and a suspension unit; The adapter is used to match the guide cover during docking; a pair of guide rods is symmetrically arranged on the two sides of the adapter; the opposite ends of the guide rods connected with the adapter are connected with the extension frame through the second hooke hinge; The cylinder unit is arranged between the two guide rods; a slide rail is arranged on the guide rod along the length direction of the guide rod, and the suspension unit is slidably arranged on the slide rail; the cylinder unit is connected with the suspension unit, the cylinder unit is used to apply push-pull load to the suspension unit, and the suspension unit is used to suspend and pull the air conditioner connector.

2. The air conditioner connector docking device of claim 1, wherein, The extension frame includes two first longitudinal rods arranged in parallel, two second longitudinal rods arranged in parallel, two third longitudinal rods arranged in parallel, a first cross rod, a second cross rod and a third cross rod; One end of the first longitudinal rod is connected with one end of the horizontal part in the mounting frame through a first hooke hinge, the other end of the first longitudinal rod is connected with one end of the second longitudinal rod, the other end of the second longitudinal rod is connected with one end of the third longitudinal rod, and the other end of the third longitudinal rod is connected with the docking assembly through a second hooke hinge; the first longitudinal rod, the second longitudinal rod and the third longitudinal rod cooperate to realize longitudinal extension and guidance; The first cross rod, the second cross rod and the third cross rod are arranged in parallel, the first cross rod is arranged between the two first longitudinal rods, the second cross rod is arranged between the two second longitudinal rods, and the third cross rod is arranged between the two third longitudinal rods.

3. The air conditioner connector docking device of claim 2, wherein, One end of the electric cylinder is connected with the vertical part in the mounting frame, and the other end of the electric cylinder is connected with the first cross rod; The double-acting cylinder is arranged between the first cross rod and the second cross rod, one end of the double-acting cylinder is connected with the first cross rod, and the other end of the double-acting cylinder is connected with the second cross rod; The single-acting cylinder is arranged between the second cross rod and the third cross rod, a fixed end of the single-acting cylinder is connected with the second cross rod, and an extending end of the single-acting cylinder penetrates out of the third cross rod; the single-acting cylinder is used to pull back the third cross rod to the direction close to the mounting frame in the working state.

4. The air conditioner connector docking device of claim 2, wherein, An elastic element is arranged between the second longitudinal rod and the third longitudinal rod, and is used to adapt to the position change amount between the second longitudinal rod and the third longitudinal rod.

5. The air conditioner connector docking device of claim 4, wherein, The elastic element is one of a compression spring and a gas support.

6. The air conditioner connector docking device of claim 1, wherein, Limiting plates are arranged at both ends of the horizontal part in the mounting frame and outside the first hook joint, and are used to limit the movement range of the telescopic frame.

7. The air conditioner connector docking device of claim 1, wherein, The gas cylinder unit comprises a gas cylinder mounting plate and a push-pull gas cylinder, the gas cylinder mounting plate is arranged at the top of the two guide rods and connected with the guide rods at both ends, the push-pull gas cylinder is arranged on the gas cylinder mounting plate, one end of the push-pull gas cylinder is connected with the suspension unit, and the other end is connected with the gas cylinder mounting plate.

8. The air conditioner connector docking device of claim 7, wherein, The suspension unit comprises a hanger and a motor, a retractor and a guide wheel arranged on the hanger. The hanger is arranged in parallel with the gas cylinder mounting plate and is slidingly arranged on the slide rail, the motor is connected with the retractor and is used to drive the retractor to rotate. The guide wheel is arranged on the hanger in a spaced manner with the retractor, two winding drums are arranged in the retractor, a suspension cable is wound around each winding drum, one end of the suspension cable is connected with the winding drum, and the other end passes through the guide wheel and is connected with the air conditioner connector.

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