A tracheal connector, detachment system and detachment method

Abstract

The present application discloses a tracheal connector, a detachment system and a detachment method. The tracheal connector includes a fixed seat installed on the ground, a pull-out seat installed on the rocket body, a plurality of input connection nozzles, a plurality of output connection nozzles, a ball lock device, a sensor cover plate and a sensor device. The present application has the technical effects of simple structure, convenient installation, timely feedback of separation effect, and can achieve separation safely, reliably and quickly without introducing an additional separation control air circuit.

Description

Technical Field

[0001] This application relates to the field of aerospace technology, and in particular, to a tracheal connector, a detachment system, and a detachment method. Background Art

[0002] With the booming development of aerospace technology, aerospace missions have become more diverse, complex, and frequent. As an important device for connecting ground gas distribution equipment and the gas path system on the rocket, the tracheal connector plays a role in pressurizing the gas cylinders and storage tanks on the rocket, which puts higher requirements on the reliability and installation efficiency of the tracheal connector.

[0003] Currently, for an automatically detachable tracheal connector to achieve the separation function, it is necessary to separately provide separation control gas, and the air pressure is relatively high. This not only increases the complexity of the system but also raises the risk factor. Summary of the Invention

[0004] The purpose of this application is to provide a tracheal connector, a detachment system, and a detachment method, which have the technical effects of simple structure, convenient installation, timely feedback of separation effect, and can achieve separation safely, reliably, and quickly without introducing an additional separation control gas path.

[0005] To achieve the above object, this application provides a tracheal connector, including: a fixed seat installed on the ground, a pull-out seat installed on the rocket body, a plurality of input nozzle connectors, a plurality of output nozzle connectors, a ball lock device, a sensor cover plate, and a sensor device; a plurality of input through holes and a first connection through hole are provided on the fixed seat; a plurality of output through holes and a second connection through hole are provided on the pull-out seat; in the locked state, the right side of the fixed seat is closely attached to the left side of the pull-out seat, and the plurality of input through holes are aligned with the plurality of output through holes one by one, and the first connection through hole is aligned with the second connection through hole; the right end of the input nozzle connector is disposed in the input through hole, and the left end of the input nozzle connector is disposed outside the input through hole and is located on the left side of the fixed seat; the left end of the input nozzle connector is communicated with the inflation system; the output nozzle connector is disposed in the output through hole, and the left end of the output nozzle connector is located in the input through hole, and the right end of the output nozzle connector protrudes outside the output through hole and is located on the right side of the pull-out seat; the right end of the output nozzle connector is communicated with the rocket body; a part of the ball lock device is disposed on the fixed seat through the first connection through hole, and another part of the ball lock device is disposed on the pull-out seat through the second connection through hole; the part of the ball lock device disposed on the fixed seat is engaged with the other part of the ball lock device disposed on the pull-out seat; the sensor cover plate is disposed at the lower end of the fixed seat, the sensor device is disposed at the lower end of the pull-out seat, and the sensor device is in contact with the sensor cover plate; in the unlocked state, the part of the ball lock device disposed on the fixed seat is separated from the other part of the ball lock device disposed on the pull-out seat, the left end of the output nozzle connector is pulled out from the input through hole, the fixed seat and the pull-out seat are separated, and the sensor device and the sensor cover plate are separated.

[0006] As described above, the ball lock device at least includes: a top cover, an end cover, a pressure bearing seat, a bushing, a shaft, an elastic device, steel balls, and a pull ring; the top cover has a through hole of the top cover, and the top cover is arranged outside the left end of the first connection through hole; the end cover has a through hole of the end cover, and the end cover is arranged outside the right end of the second connection through hole; the pressure bearing seat has a through hole of the pressure bearing seat, and a pressure bearing seat groove is arranged on the inner wall of the through hole of the pressure bearing seat; the pressure bearing seat is arranged in the first connection through hole, and the left end of the pressure bearing seat contacts the inner side of the top cover, and the through hole of the pressure bearing seat is aligned with the through hole of the top cover; the bushing includes: a first bushing body and a second bushing body, and the diameter of the first bushing body is smaller than that of the second bushing body; the inside of the first bushing body has an accommodation cavity, the left end of the first bushing body is provided with a first bushing through hole, the first bushing through hole is communicated with the accommodation cavity, and the first bushing body is also provided with a plurality of steel ball through holes, and the steel ball through holes are communicated with the accommodation cavity; the second bushing body is provided with a second bushing through hole; the right end of the first bushing body is connected to the left end of the second bushing body, and the second bushing through hole is communicated with the accommodation cavity; the left end of the first bushing body is arranged in the pressure bearing seat and contacts the inner side of the top cover, the first bushing through hole is aligned with the through hole of the top cover, and a plurality of steel ball through holes are all aligned with the pressure bearing seat groove; the right end of the second bushing body is connected to the end cover, and the second bushing through hole is aligned with the through hole of the end cover; the shaft includes: a first pull rod, a second pull rod, and a third pull rod, the right end of the first pull rod is connected to the left end of the second pull rod, the right end of the second pull rod is connected to the left end of the third pull rod, and the diameter of the second pull rod is larger than the diameters of the first pull rod and the third pull rod; the left end of the first pull rod penetrates through the first bushing through hole, the right end of the first pull rod, the left ends of the second pull rod and the third pull rod are all located in the accommodation cavity, and the second pull rod divides the accommodation cavity into a left cavity and a right cavity; the right end of the third pull rod sequentially penetrates through the second bushing through hole and the through hole of the end cover; the elastic device is arranged in the right cavity and sleeved outside the third pull rod; one end of the elastic device is connected to the right end of the second pull rod, and the other end is connected to the left end of the second bushing body; the steel balls are arranged in the first bushing body, and in the locked state, the steel balls are located in the pressure bearing seat groove and the steel ball through holes and contact the second pull rod; in the unlocked state, the steel balls are located in the steel ball through holes and the left cavity and contact the first pull rod; the pull ring is arranged at the right end of the third pull rod and is located outside the right end of the end cover.

[0007] As described above, the bushing further includes: a clamping sleeve; the clamping sleeve is arranged outside the first bushing body, and in the locked state, the left end of the clamping sleeve contacts the right end of the pressure bearing seat.

[0008] As described above, the bushing further includes: a guide sleeve; a part of the guide sleeve is arranged outside the second bushing body, and the other part is located outside the first bushing body and does not contact the first bushing body.

[0009] As described above, an end cover groove is arranged on the inner side of the end cover, a buffer pad is arranged in the end cover groove, and the right end of the third pull rod sequentially penetrates through the second bushing through hole, the buffer pad, and the through hole of the end cover.

[0010] As described above, an inclined surface facilitating the sliding of steel balls is provided at the left end of the second pull rod.

[0011] As described above, wherein the output connection nozzle includes: a first pipe body, a second pipe body, and a third pipe body; the right end of the first pipe body is connected to the left end of the second pipe body, the right end of the second pipe body is connected to the left end of the third pipe body, and the first pipe body, the second pipe body, and the third pipe body are in communication with each other; a sealing ring is provided on the outer side of the first pipe body, and the first pipe body is located within the first connection through hole; the diameter of the second pipe body is smaller than the diameter of the second connection through hole, a clamping ring is provided on the outer side of the left end of the second pipe body, a snap spring is provided on the outer side of the right end of the second pipe body, the second pipe body is located within the second connection through hole, and is clamped to the inner side of the left end of the second connection through hole by the clamping ring and connected to the inner side of the right end of the second connection through hole by the snap spring; after connection, there is a movement gap between the second pipe body and the extraction seat; the third pipe body protrudes outside the second connection through hole and is located on the right side of the extraction seat.

[0012] As described above, wherein the sensor device includes: a micro sensor and a sensor bracket; the micro sensor is installed within the sensor bracket; the sensor bracket is provided at the lower end of the extraction seat, and in the locked state, the probe of the micro sensor contacts the sensor cover plate.

[0013] The present application also provides a detachment system for a tracheal connector, including: the above-mentioned tracheal connector, an inflation system, a rocket body, and a control system; the tracheal connector is respectively connected to the inflation system and the rocket body; the tracheal connector, the inflation system, and the rocket body are respectively in communication with the control system.

[0014] The present application also provides a detachment method for a tracheal connector, which is applied to the above-mentioned detachment system of the tracheal connector. The detachment method includes the following steps: after locking the tracheal connector, the inflation system receives and executes a working instruction sent by the control system to inflate, and the gas enters the rocket body through the tracheal connector; after the rocket body is inflated, it sends an inflation completion message to the control system, and the control system generates a pulling-out instruction according to the inflation completion message; the tracheal connector separates according to the pulling-out instruction and sends a separation message to the control system, wherein the separation message at least includes: detachment success or detachment failure; when the separation message is detachment failure, the control system immediately starts an emergency program.

[0015] The beneficial effects achieved by the present application are as follows:

[0016] 1. The present application provides a follow-up adaptive plugging structure, that is: an axial and radial movement gap is provided between the output connection nozzle and the second connection through hole of the extraction seat, so that the spatial position of each output connection nozzle can be adjusted within a certain range during the docking process, which can not only reduce the installation difficulty, improve work efficiency, but also reduce the requirement for processing accuracy to a certain extent, thereby reducing the price and production cost.

[0017] 2. This application is provided with a micro motion sensor, which can timely feedback the gap between the contact surfaces of the extraction seat and the fixed seat, that is, the separation situation of the tracheal connector, and timely feedback the separation situation to the control system. When the separation fails, the emergency procedure can be started more quickly, improving the safety.

[0018] 3. This application designs a ball lock device, which can reliably unlock and separate the tracheal connector without using high-pressure separation control gas. Compared with the traditional tracheal connector structure, the tracheal connector of this application is simpler and more reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments recorded in the present application. For those of ordinary skill in the art, other drawings can also be obtained according to these drawings.

[0020] Figure 1 FIG. 14 is a schematic structural diagram of a tracheal connector in a locked state according to an embodiment;

[0021] Figure 2 FIG. 18 is a schematic structural diagram of a ball lock device in a locked state according to an embodiment;

[0022] Figure 3 FIG. 22 is a schematic structural diagram of a ball lock device in an unlocked state according to an embodiment;

[0023] Figure 4 FIG. 26 is a schematic structural diagram of an output nozzle according to an embodiment;

[0024] Figure 5 FIG. 30 is a schematic structural diagram of a sensor device and a sensor cover plate in a locked state according to an embodiment. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0025] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all of them. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.

[0026] Such as Figures 1-5As shown in the figure, the present application provides a tracheal connector, including: a fixed seat 1 installed on the ground, a pull-out seat 2 installed on the rocket body, a plurality of input connecting nozzles 3, a plurality of output connecting nozzles 4, a ball locking device 5, a sensor cover plate 6 and a sensor device 7. A plurality of input through holes 11 and a first connection through hole 12 are provided on the fixed seat 1. A plurality of output through holes 21 and a second connection through hole 22 are provided on the pull-out seat 2. In the locked state, the right side of the fixed seat 1 is closely attached to the left side of the pull-out seat 2, and the plurality of input through holes 11 are aligned with the plurality of output through holes 21 one by one, and the first connection through hole 12 is aligned with the second connection through hole 22. The right end of the input connecting nozzle 3 is arranged in the input through hole 11, and the left end of the input connecting nozzle 3 is arranged outside the input through hole 11 and is located on the left side of the fixed seat 1; the left end of the input connecting nozzle 3 is communicated with the inflation system. The output connecting nozzle 4 is arranged in the output through hole 21, and the left end of the output connecting nozzle 4 is located in the input through hole 11, and the right end of the output connecting nozzle 4 protrudes out of the output through hole and is located on the right side of the pull-out seat 2; the right end of the output connecting nozzle 4 is communicated with the rocket body. A part of the ball locking device 5 is arranged on the fixed seat 1 through the first connection through hole 12, and another part of the ball locking device 5 is arranged on the pull-out seat 2 through the second connection through hole 22; a part of the ball locking device 5 arranged on the fixed seat 1 is engaged with another part of the ball locking device 5 arranged on the pull-out seat 2. The sensor cover plate 6 is arranged at the lower end of the fixed seat 1, and the sensor device 7 is arranged at the lower end of the pull-out seat 2, and the sensor device 7 is in contact with the sensor cover plate 6. In the unlocked state, a part of the ball locking device 5 arranged on the fixed seat 1 is separated from another part of the ball locking device 5 arranged on the pull-out seat 2, the left end of the output connecting nozzle 4 is pulled out of the input through hole 11, the fixed seat 1 and the pull-out seat 2 are separated, and the sensor device 7 and the sensor cover plate 6 are separated.

[0027] Specifically, the number of the input connecting nozzles 3 is determined according to the actual situation. In the present application, it is preferably four, and the four input connecting nozzles 3 are evenly spaced on the fixed seat 1. The number of the output connecting nozzles 4 is determined according to the actual situation. In the present application, it is preferably four, and the four output connecting nozzles 4 are evenly spaced on the pull-out seat 2. After the tracheal connector is locked, the inflation system receives and executes the working instruction sent by the control system to inflate. The gas enters the tracheal connector through the input connecting nozzle 3 and enters the rocket body through the output connecting nozzle 4.

[0028] Furthermore, the fixed seat 1 and the input connecting nozzle 3 are threadedly connected, but only limited to threaded connection. In the present application, threaded connection is preferably used.

[0029] Furthermore, as Figure 2 and 3As shown in the figure, the ball lock device 5 at least includes: a top cover 51, an end cover 52, a pressure bearing seat 53, a bushing 54, a shaft 55, an elastic device 56, steel balls 57 and a pull ring 58. The top cover 51 has a top cover through hole 511, and the top cover 51 is arranged outside the left end of the first connection through hole 12. The end cover 52 has an end cover through hole 521, and the end cover 52 is arranged outside the right end of the second connection through hole 22. The pressure bearing seat 53 has a pressure bearing seat through hole, and a pressure bearing seat groove 531 is arranged on the inner wall of the pressure bearing seat through hole; the pressure bearing seat 53 is arranged in the first connection through hole 12, and the left end of the pressure bearing seat 53 contacts the inner side of the top cover 51, and the pressure bearing seat through hole is aligned with the top cover through hole 511. The bushing 54 includes: a first bushing body 541 and a second bushing body 542, and the diameter of the first bushing body 541 is smaller than that of the second bushing body 542; the inside of the first bushing body 541 has a receiving cavity, the left end of the first bushing body 541 is provided with a first bushing through hole, the first bushing through hole is communicated with the receiving cavity, and the first bushing body 541 is also provided with a plurality of steel ball through holes, and the steel ball through holes are communicated with the receiving cavity; the second bushing body 542 is provided with a second bushing through hole; the right end of the first bushing body 541 is connected to the left end of the second bushing body 542, and the second bushing through hole is communicated with the receiving cavity; the left end of the first bushing body 541 is arranged in the pressure bearing seat 53 and contacts the inner side of the top cover 51, the first bushing through hole is aligned with the top cover through hole 511, and a plurality of steel ball through holes are all aligned with the pressure bearing seat groove 531; the right end of the second bushing body 542 is connected to the end cover 52, and the second bushing through hole is aligned with the end cover through hole 521. The shaft 55 includes: a first pull rod 551, a second pull rod 552 and a third pull rod 553. The right end of the first pull rod 551 is connected to the left end of the second pull rod 552, and the right end of the second pull rod 552 is connected to the left end of the third pull rod 553, and the diameter of the second pull rod 552 is larger than the diameters of the first pull rod 551 and the third pull rod 553; the left end of the first pull rod 551 penetrates through the first bushing through hole, and the right end of the first pull rod 551, the left ends of the second pull rod 552 and the third pull rod 553 are all located in the receiving cavity, and the second pull rod 552 divides the receiving cavity into a left cavity and a right cavity; the right end of the third pull rod 553 sequentially penetrates through the second bushing through hole and the end cover through hole 521. The elastic device 56 is arranged in the right cavity and sleeved outside the third pull rod 553; one end of the elastic device 56 is connected to the right end of the second pull rod 552, and the other end is connected to the left end of the second bushing body 542. The steel balls 57 are arranged in the first bushing body 541. In the locked state, the steel balls 57 are located in the pressure bearing seat groove 531 and the steel ball through holes and contact the second pull rod 552; in the unlocked state, the steel balls 57 are located in the steel ball through holes and the left cavity and contact the first pull rod 551. The pull ring 58 is arranged at the right end of the third pull rod 553 and is located outside the right end of the end cover 52.

[0030] Further, the left end of the second pull rod 552 is provided with an inclined surface facilitating the sliding of the steel balls 57.

[0031] Specifically, the first bushing body 541 and the second bushing body 542 can be of an integral structure or a separable structure. In this application, an integral structure is preferably adopted. The first pull rod 551, the second pull rod 552 and the third pull rod 553 can be of an integral structure or a separable structure. In this application, an integral structure is preferably adopted. The pull ring 58 is used to connect a pulling device such as a rope or a cable to provide a pulling force. In the locked position, the elastic device 56 extends and tightly presses the right end of the second pull rod 552, thereby locking the steel ball 57 in the pressure bearing seat groove 531, that is: the steel ball 57 is located in the pressure bearing seat groove 531 and the steel ball through hole and contacts the second pull rod 552, so as to realize the locking function. After the rocket body is inflated, it sends an inflation completion message to the control system, and the control system generates a pulling out instruction according to the inflation completion message; after obtaining the pulling out instruction, by manually pulling the pull ring 58 or automatically pulling the pull ring 58 mechanically, a rightward pulling force is provided to the shaft 55, driving the shaft 55 to move rightward against the elastic force of the elastic device 56 until the elastic device 56 is in a compressed state. The steel ball 57 slides leftward through the steel ball through hole along the inclined surface until the steel ball 57 completely leaves the pressure bearing seat groove 531 and is located in the steel ball through hole and the left cavity and contacts the first pull rod 551, unlocking is realized, and thus the purpose of being pulled out is achieved.

[0032] Further, the elastic device 56 is a spring, but is not limited to a spring. In this application, a spring is preferably adopted.

[0033] Further, the bushing 54 further includes: a clamping sleeve 543; the clamping sleeve 543 is arranged outside the first bushing body 541. In the locked state, the left end of the clamping sleeve 543 contacts the right end of the pressure bearing seat 53.

[0034] Specifically, the clamping sleeve 543 and the first bushing body 541 are in an interference fit, but are not limited to an interference fit. In this application, an interference fit is preferably adopted. The clamping sleeve 543 is used to press the pressure bearing seat 53 in the locked state.

[0035] Further, the bushing 54 further includes: a guide sleeve 544; a part of the guide sleeve 544 is arranged outside the second bushing body 542, and the other part is located outside the first bushing body 541 and does not contact the first bushing body 541.

[0036] Specifically, the guide sleeve 544 and the second bushing body 542 are in an interference fit, but are not limited to an interference fit. In this application, an interference fit is preferably adopted. The guide sleeve 544 plays a guiding role and can reduce the friction generated when the bushing 54 is pulled out in the unlocked state.

[0037] Further, an end - cover groove 522 is provided inside the end - cover 52, a buffer pad 523 is arranged in the end - cover groove 522, and the right end of the third pull rod 553 sequentially penetrates through the second - bushing through - hole, the buffer pad 523, and the end - cover through - hole 521 of the end - cover 52.

[0038] Further, as Figure 1 and 4 shown, the output nozzle 4 includes: a first pipe body 41, a second pipe body 42, and a third pipe body 43; the right end of the first pipe body 41 is connected to the left end of the second pipe body 42, the right end of the second pipe body 42 is connected to the left end of the third pipe body 43, and the first pipe body 41, the second pipe body 42, and the third pipe body 43 are in communication with each other. A sealing ring 411 is arranged on the outer side of the first pipe body 41, and the first pipe body 41 is located within the first connection through - hole 12. The diameter of the second pipe body 42 is smaller than the diameter of the second connection through - hole 22. A clamping ring 421 is arranged on the outer side of the left end of the second pipe body 42, and a snap - ring 422 is arranged on the outer side of the right end of the second pipe body 42. The second pipe body 42 is located within the second connection through - hole 22, and is clamped to the inner side of the left end of the second connection through - hole 22 through the clamping ring 421 and connected to the inner side of the right end of the second connection through - hole 22 through the snap - ring 422; after connection, there is a movement gap between the second pipe body 42 and the extraction seat 2. The third pipe body 43 protrudes outside the second connection through - hole 22 and is located on the right side of the extraction seat 2.

[0039] Specifically, the first pipe body 41, the second pipe body 42, and the third pipe body 43 can be an integral structure or a split structure. In this application, an integral structure is preferably used. The second pipe body 42 and the clamping ring 421 can be an integral structure or a split structure. In this application, an integral structure is preferably used, and the output nozzle 4 is clamped to the extraction seat 2 through the clamping ring 421. A movement gap is provided between the second pipe body 42 and the extraction seat 2, that is: there are certain gaps both axially and radially between the second pipe body 42 and the extraction seat 2, which can absorb machining errors, greatly reduce the installation difficulty, improve efficiency, and facilitate installation. The clamping ring 421 and the snap - ring 422 are arranged on the second pipe body 42, which can effectively prevent the vibration generated when the extraction seat 2 and the output nozzle 4 are launched together with the rocket body from affecting the rocket body.

[0040] Further, as Figure 1 and 5 shown, the sensor device 7 includes: a micro - motion sensor 71 and a sensor support 72; the micro - motion sensor 71 is installed within the sensor support 72; the sensor support 72 is arranged at the lower end of the extraction seat 2. In the locked state, the probe 711 of the micro - motion sensor 71 contacts the sensor cover 6.

[0041] Specifically, the sensor of the present application is a micro-motion sensor 71, but is not limited to the micro-motion sensor 71. The present application preferably uses the micro-motion sensor 71. In the locked state, the probe 711 of the micro-motion sensor 71 contacts the sensor cover plate 6, and the probe 711 is in a compressed state. After the separation action is performed according to the extraction instruction, the extraction seat 2 normally pops out, generating a relative displacement with the fixed seat 1. The micro-motion sensor 71 sends the separation information to the control system. Among them, the separation information at least includes: successful detachment or failed detachment. If the micro-motion sensor 71 transmits a displacement signal to the control system, the separation information is successful detachment; if the micro-motion sensor 71 does not transmit a displacement signal to the control system, the separation information is failed detachment, and the control system immediately starts an emergency procedure to reduce unnecessary losses.

[0042] Further, as Figure 1 shown, a weight-reducing groove 13 is also provided on the fixed seat 1, and the weight-reducing groove 13 communicates with the first connection through-hole 12. The weight-reducing groove 13 has a weight-reducing effect.

[0043] The present application also provides a detachment system for a tracheal connector, including: the above-mentioned tracheal connector, an inflation system, a rocket body, and a control system; the tracheal connector is respectively connected to the inflation system and the rocket body; the tracheal connector, the inflation system, and the rocket body are respectively in communication with the control system.

[0044] Specifically, the tracheal connector is connected to the ground through the fixed seat 1, connected to the rocket body through the extraction seat 2, communicated with the inflation system through a plurality of input nozzle connectors 3, communicated with the rocket body through a plurality of output nozzle connectors 4, and in communication with the control system through the micro-motion sensor 71.

[0045] The present application also provides a detachment method for a tracheal connector, which is applied to the above-mentioned detachment system of the tracheal connector. The detachment method includes the following steps:

[0046] S1: After locking the tracheal connector, the inflation system receives and executes the working instruction sent by the control system to inflate, and the gas enters the rocket body through the tracheal connector.

[0047] Specifically, after locking the tracheal connector, the inflation system receives and executes the working instruction sent by the control system to inflate, and the gas enters the tracheal connector through the input nozzle connector 3 and enters the rocket body through the output nozzle connector 4.

[0048] S2: After the rocket body completes inflation, it sends an inflation completion message to the control system, and the control system generates an extraction instruction according to the inflation completion message.

[0049] S3: The tracheal connector separates according to the extraction instruction and sends the separation information to the control system. Among them, the separation information at least includes: successful detachment or failed detachment.

[0050] Specifically, after obtaining the extraction instruction, the pull ring 58 is manually pulled or automatically pulled by a machine, thereby providing a rightward pulling force to the shaft 55, driving the shaft 55 to move rightward against the elastic force of the elastic device 56 until the elastic device 56 is in a compressed state. The steel ball 57 slides leftward into the left cavity through the inclined surface of the steel ball through-hole until the steel ball 57 completely leaves the pressure-bearing seat groove 531 and is located in the steel ball through-hole and the left cavity and contacts the first pull rod 551. Then, the extraction seat 2 normally pops out, generating a relative displacement with the fixed seat 1. If the sensor device 7 and the sensor cover plate 6 are normally separated and the micro motion sensor 71 transmits the displacement signal to the control system, the separation information is successful detachment; if the sensor device 7 and the sensor cover plate 6 are not normally separated and the micro motion sensor 71 does not transmit the displacement signal to the control system, the separation information is failed detachment.

[0051] S4: When the separation information is failed detachment, the control system immediately starts the emergency procedure.

[0052] The beneficial effects achieved by this application are as follows:

[0053] 1. This application sets a follow-up adaptive plugging structure, that is, an axial and radial movement gap is set between the output nozzle and the second connection through-hole of the extraction seat, enabling the adjustment of the spatial positions of each output nozzle within a certain range during the docking process. This can not only reduce the installation difficulty, improve work efficiency, but also reduce the requirements for machining accuracy to a certain extent, thereby reducing prices and production costs.

[0054] 2. This application is provided with a micro motion sensor, which can timely feedback the gap between the contact surfaces of the extraction seat and the fixed seat, that is, the separation situation of the air pipe connector, and promptly feedback the separation situation to the control system. When a separation failure occurs, the emergency procedure can be started more quickly, improving safety.

[0055] 3. This application designs a ball lock device, which can reliably unlock and disconnect the air pipe connector without using high-pressure separation control gas. Compared with the traditional air pipe connector structure, the air pipe connector of this application is simpler and more reliable.

[0056] Although the preferred embodiments of this application have been described, those skilled in the art can make additional changes and modifications once they know the basic creative concept. Therefore, the protection scope of this application is intended to be interpreted as including the preferred embodiments and all changes and modifications falling within the scope of this application. Obviously, those skilled in the art can make various changes and variations to this application without departing from the spirit and scope of this application. Thus, if these modifications and variations of this application fall within the scope of the protection of this application and its equivalent technologies, this application also intends to include these modifications and variations.

Claims

1. A tracheal connector, characterized in that, Comprising: A fixed seat installed on the ground, a pull-out seat installed on the rocket body, a plurality of input connection nozzles, a plurality of output connection nozzles, a ball lock device, a sensor cover plate, and a sensor device; A plurality of input through holes and a first connection through hole are provided on the fixed seat; A plurality of output through holes and a second connection through hole are provided on the pull-out seat; In the locked state, the right side of the fixed seat is closely attached to the left side of the pull-out seat, a plurality of input through holes are aligned with a plurality of output through holes one by one, and the first connection through hole is aligned with the second connection through hole; The right end of the input connection nozzle is arranged in the input through hole, the left end of the input connection nozzle is arranged outside the input through hole and is located on the left side of the fixed seat; the left end of the input connection nozzle is communicated with the inflation system; The output connection nozzle is arranged in the output through hole, and the left end of the output connection nozzle is located in the input through hole, the right end of the output connection nozzle protrudes outside the output through hole and is located on the right side of the pull-out seat; the right end of the output connection nozzle is communicated with the rocket body; A part of the ball lock device is arranged on the fixed seat through the first connection through hole, and another part of the ball lock device is arranged on the pull-out seat through the second connection through hole; the part of the ball lock device arranged on the fixed seat is engaged with the other part of the ball lock device arranged on the pull-out seat; The sensor cover plate is arranged at the lower end of the fixed seat, the sensor device is arranged at the lower end of the pull-out seat, and the sensor device is in contact with the sensor cover plate; In the unlocked state, the part of the ball lock device arranged on the fixed seat is separated from the other part of the ball lock device arranged on the pull-out seat, the left end of the output connection nozzle is pulled out from the input through hole, the fixed seat and the pull-out seat are separated, and the sensor device and the sensor cover plate are separated.

2. The tracheal connector according to claim 1, characterized in that, The ball lock device at least comprises: a top cover, an end cover, a pressure-bearing seat, a shaft sleeve, a shaft, an elastic device, steel balls, and a pull ring; The top cover has a top cover through hole, and the top cover is arranged outside the left end of the first connection through hole; The end cover has an end cover through hole, and the end cover is arranged outside the right end of the second connection through hole; The pressure-bearing seat has a pressure-bearing seat through hole, and a pressure-bearing seat groove is arranged on the inner wall of the pressure-bearing seat through hole; the pressure-bearing seat is arranged in the first connection through hole, and the left end of the pressure-bearing seat is in contact with the inner side of the top cover, and the pressure-bearing seat through hole is aligned with the top cover through hole; The shaft sleeve comprises: a first shaft sleeve body and a second shaft sleeve body, the diameter of the first shaft sleeve body is smaller than that of the second shaft sleeve body; the inside of the first shaft sleeve body has an accommodation cavity, the left end of the first shaft sleeve body is provided with a first shaft sleeve through hole, the first shaft sleeve through hole is communicated with the accommodation cavity, and a plurality of steel ball through holes are also arranged on the first shaft sleeve body, and the steel ball through holes are communicated with the accommodation cavity; the second shaft sleeve body is provided with a second shaft sleeve through hole; the right end of the first shaft sleeve body is connected to the left end of the second shaft sleeve body, and the second shaft sleeve through hole is communicated with the accommodation cavity; the left end of the first shaft sleeve body is arranged in the pressure-bearing seat and is in contact with the inner side of the top cover, the first shaft sleeve through hole is aligned with the top cover through hole, and a plurality of steel ball through holes are all aligned with the pressure-bearing seat groove; the right end of the second shaft sleeve body is connected to the end cover, and the second shaft sleeve through hole is aligned with the end cover through hole; The shaft includes: a first pull rod, a second pull rod, and a third pull rod. The right end of the first pull rod is connected to the left end of the second pull rod, and the right end of the second pull rod is connected to the left end of the third pull rod. Moreover, the diameter of the second pull rod is greater than the diameters of the first pull rod and the third pull rod. The left end of the first pull rod penetrates through the first bushing through-hole. The right end of the first pull rod, the second pull rod, and the left end of the third pull rod are all located within the accommodating cavity, and the second pull rod divides the accommodating cavity into a left cavity and a right cavity. The right end of the third pull rod sequentially penetrates through the second bushing through-hole and the end cover through-hole. The elastic device is disposed within the right cavity and sleeved outside the third pull rod. One end of the elastic device is connected to the right end of the second pull rod, and the other end is connected to the left end of the second bushing body. The steel balls are disposed within the first bushing body. In the locked state, the steel balls are located within the pressure-bearing seat groove and the steel ball through-holes and contact the second pull rod. In the unlocked state, the steel balls are located within the steel ball through-holes and the left cavity and contact the first pull rod. The pull ring is disposed at the right end of the third pull rod and is located outside the right end of the end cover.

3. The tracheal connector according to claim 2, characterized in that, The bushing further includes: a ferrule. The ferrule is disposed outside the first bushing body. In the locked state, the left end of the ferrule contacts the right end of the pressure-bearing seat.

4. The tracheal connector according to claim 3, characterized in that, The bushing further includes: a guide sleeve. A part of the guide sleeve is disposed outside the second bushing body, and another part is located outside the first bushing body and does not contact the first bushing body.

5. The tracheal connector according to claim 4, characterized in that, An end cover groove is provided on the inner side of the end cover, and a buffer pad is provided within the end cover groove. The right end of the third pull rod sequentially penetrates through the second bushing through-hole, the buffer pad, and the end cover through-hole.

6. The tracheal connector according to claim 5, characterized in that, The left end of the second pull rod is provided with an inclined surface facilitating the sliding of the steel balls.

7. The tracheal connector according to claim 6, characterized in that, The output nozzle includes: a first pipe body, a second pipe body, and a third pipe body. The right end of the first pipe body is connected to the left end of the second pipe body, and the right end of the second pipe body is connected to the left end of the third pipe body. Moreover, the first pipe body, the second pipe body, and the third pipe body are in communication with each other. A sealing ring is provided on the outer side of the first pipe body, and the first pipe body is located within the first connection through-hole. The diameter of the second pipe body is smaller than the diameter of the second connection through-hole. A snap ring is provided on the outer side of the left end of the second pipe body, and a snap spring is provided on the outer side of the right end of the second pipe body. The second pipe body is located within the second connection through-hole, and is snap-connected to the inner side of the left end of the second connection through-hole through the snap ring and connected to the inner side of the right end of the second connection through-hole through the snap spring. After connection, there is a movement gap between the second pipe body and the extraction seat. The third pipe body protrudes out of the second connection through-hole and is located on the right side of the extraction seat.

8. The tracheal connector according to claim 7, characterized in that, The sensor device includes: a micro sensor and a sensor bracket. The micro sensor is installed within the sensor bracket. The sensor bracket is provided at the lower end of the extraction seat. In the locked state, the probe of the micro sensor contacts the sensor cover plate.

9. A detachment system for a tracheal connector, characterized in that, Includes: The gas pipe connector, inflation system, rocket body, and control system according to any one of claims 1-8; the gas pipe connector is respectively connected to the inflation system and the rocket body; the gas pipe connector, inflation system, and rocket body are respectively in communication with the control system.

10. A method for detaching a tracheal connector, characterized in that, The detachment system applied to the gas pipe connector according to claim 9. The detachment method includes the following steps: After locking the gas pipe connector, the inflation system receives and executes the working instruction sent by the control system to inflate, and the gas enters the rocket body through the gas pipe connector. After the rocket body is inflated, it sends an inflation completion message to the control system, and the control system generates a pulling-out instruction based on the inflation completion message; The tracheal connector separates according to the pulling-out instruction and sends the separation information to the control system, where the separation information at least includes: successful detachment or failed detachment; When the separation information is a failed detachment, the control system immediately starts an emergency procedure.

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