CN218762004U - Ground flange for connecting rocket air conditioner, rocket upper flange and connector - Google Patents

Abstract

The utility model provides a flange and connector on ground flange, arrow that is used for rocket air conditioner to connect. The ground flange is inside to contain first passageway and to set up the fixing device in ground flange circumference outside, and the fixed plate that is used for fixed ground flange is connected to the one end of ground flange, and the other end is equipped with and has open-ended type of falling T groove for with arrow flange joint, be equipped with the pore on the fixed plate so that first passageway and ground air supply line intercommunication. Fixing device contains first fixed block, second fixed block and retaining member, first fixed block with the second fixed block is located ground flange fall T type tank bottom width direction's both sides, the retaining member is used for locking first fixed block with the second fixed block, the flange contains barrel, annular epitaxial plate and arch on the arrow, and annular epitaxial plate is connected with the barrel in the axial one end of barrel, and the arch sets up the outer wall at the barrel along circumference. The structure has the advantages of reasonable design, convenient installation and disassembly and the like.

Description

Ground flange for connecting rocket air conditioner, rocket upper flange and connector

Technical Field

The utility model belongs to the technical field of the carrier rocket launch, concretely relates to flange and connector on ground flange, arrow that is used for rocket air conditioner to connect.

Background

With the rapid development of the aerospace industry, various technologies related to the rocket field also realize the rapid development. The connector is a connecting device of gas, liquid, electricity, air conditioners and other pipelines supported by ground launching and interfaces on rocket arrows. The air conditioner connector is used for connecting the rocket ground air conditioner pipeline and the fairing so as to guarantee a good temperature and humidity environment in the carrier rocket fairing and has locking and disconnecting functions. At present, the air conditioner connector is complex in structure, and the processes of butt joint, separation and the like can be completed only by cooperation of a plurality of people, so that time and labor are wasted, and the working efficiency is influenced.

In order to meet the requirement of rapid response of a carrier rocket, an air conditioner connector is urgently needed to be provided, has the advantages of reasonable design, convenience in mounting and dismounting and the like, and can improve the working efficiency.

Disclosure of Invention

An object of the utility model is to overcome prior art not enough, provide a connector for carrier rocket, have reasonable in design, easy to assemble and dismantlement can improve advantages such as work efficiency.

One aspect of the utility model provides a ground flange for rocket air conditioner is connected, contain ground flange and fixed plate, wherein, the inside first passageway and setting up the fixing device in the ground flange circumference outside that contains of ground flange, the one end of ground flange is connected the fixed plate that is used for fixing the ground flange, and the other end is equipped with the type groove of falling T that forms downwards from the port for flange joint on the arrow, be equipped with the pore on the fixed plate so that first passageway and ground air supply line communicate; fixing device contains first fixed block, second fixed block and retaining member at least, wherein, first fixed block with the second fixed block is located ground flange fall T type groove tank bottom width direction's both sides, the retaining member is used for locking first fixed block with the second fixed block.

Further, the surfaces of one sides, close to the ground flange, of the first fixing block and the second fixing block are cambered surfaces, wherein the cambered surfaces are matched with the outer surface of the ground flange; the first fixing block and the second fixing block are connected with the ground flange in a welding mode.

Further, the first fixing block and the second fixing block are both provided with first threaded holes, and the locking piece comprises a first fixing bolt and a first locking nut; wherein, first fixing bolt surface be equipped with the external screw thread that first screw hole matches, first fixing bolt's one end is used for running through the spiro union screw in behind the first fixed block the second fixed block, and the other end is followed the second fixed block is worn out, first lock nut cover is established first fixing bolt is worn out the part of second fixed block is used for following the outside of second fixed block with first fixing bolt cooperation, so that first fixed block the second fixed block is fixed on the first fixing bolt.

Further, the inverted T-shaped groove comprises a first hole opening channel which is the same as the axial direction of the first channel and a second hole opening channel which is communicated with the first hole opening channel and is orthogonal to the first hole opening channel, and the bottom of the inverted T-shaped groove forms the second hole opening channel.

Furthermore, the central connecting line of the first fixing block and the second fixing block is parallel to the axis of the first hole-opening channel, and the first fixing block and the second fixing block are respectively arranged on two sides of the second hole-opening channel.

Further, a second threaded hole and a second fixing bolt matched with the second threaded hole are further formed in the second fixing block, and the second threaded hole is communicated with the first threaded hole and is vertically arranged; after the first fixing bolt is matched with the first locking nut to lock the first fixing block and the second fixing block, one end of the second fixing bolt is screwed into the second threaded hole and then is attached to the surface of the first fixing bolt, so that axial and radial displacement of the first fixing bolt is limited.

Furthermore, the fixing device also comprises double rows of L-shaped long plates arranged along the circumferential direction of the ground flange, one ends of the double rows of L-shaped long plates are welded with the surface of the ground flange, and the other ends of the double rows of L-shaped long plates extend towards one side of the center of the double rows of L-shaped long plates to form a groove along the circumferential direction of the ground flange, wherein the cross section of the groove is in a convex shape; and T-shaped structures matched with the grooves are respectively arranged on one sides, close to the ground flange, of the first fixing block and the second fixing block, so that the first fixing block and the second fixing block can circumferentially slide on the surface of the ground flange.

Furthermore, the ground flange is kept away from the inside of fixed plate one end still is equipped with and is used for injecing the sealing washer to the spacing platform of annular that fixed plate one side removed, the spacing bench of annular still is equipped with the annular groove, the annular groove to fixed plate one side is recessed.

The utility model discloses a flange on the arrow is provided in another aspect, flange on the arrow includes barrel, annular epitaxial plate and the arch that both ends communicate with each other, annular epitaxial plate is in the axial one end of barrel with the barrel is connected, the arch sets up in the outer wall of barrel along circumference, the arch, annular epitaxial plate all with barrel welded connection; the end, far away from the annular epitaxial plate, of the barrel is in a frustum shape, the annular epitaxial plate is used for being connected with a rocket body, and the protrusion is used for being matched with an inverted T-shaped groove in the ground flange to enable the ground flange to be detachably connected with the rocket upper flange.

The utility model also provides a connector, contain ground flange, sealing washer and arrow upper flange, ground flange inside contains first passageway and sets up the fixing device in the ground flange circumference outside, ground flange's one end connect be used for fixing the fixed plate of ground flange, the other end is equipped with from the port down the T type groove that forms, be used for with arrow upper flange connection, be equipped with the pore on the fixed plate so that first passageway and ground air supply line communicate; the fixing device at least comprises a first fixing block, a second fixing block and a locking piece, wherein the first fixing block and the second fixing block are positioned on two sides of the ground flange in the width direction of the bottom of the inverted T-shaped groove, and the locking piece is used for locking the first fixing block and the second fixing block; the rocket upper flange comprises a cylinder body, an annular epitaxial plate and a bulge, wherein the two ends of the cylinder body are communicated, the annular epitaxial plate is connected with the cylinder body at one axial end of the cylinder body, and the bulge is arranged on the outer wall of the cylinder body along the circumferential direction; the annular epitaxial plate is used for being connected with a rocket body, and the protrusions are used for being matched with the inverted T-shaped grooves so that the ground flange is detachably connected with the rocket upper flange; the sealing ring is arranged between the ground flange and the arrow upper flange and used for sealing the ground flange and the arrow upper flange; during the installation, the ground flange is from keeping away from epitaxial plate one end is close to flange on the arrow, and make protruding edge the opening side in the T type groove gets into the T type groove of falling, through following the circumference of first passageway is rotatory the ground flange makes protruding screw in the tank bottom in the T type groove of falling, the one end of retaining member is run through screw in behind the first fixed block the second fixed block makes first fixed block the second fixed block with retaining member zonulae occludens is together in order to incite somebody to action the arch is injectd in the T type inslot, in order to accomplish the ground flange with flange on the arrow can dismantle the connection.

When flange joint on the ground flange of this application and the arrow, can be through protruding and the cooperation in the type groove of falling T for both firm in connection, stability prevent that flange is to keeping away from one side separation each other on ground flange and the arrow.

In addition, through first fixed block, second fixed block and retaining member zonulae occludens together in order to inject the arch in falling T type inslot, avoid protruding from falling T type inslot and break away from, improve the stability of structure.

In addition, this application can avoid falling the position of T type groove and protruding contact to take place deformation because of long-time atress through the design in T type groove, and then cause flange joint unstability on ground flange and the arrow. After the deformation of one end of the inverted T-shaped groove, the protrusion can be screwed into the other end of the inverted T-shaped groove, so that the ground flange and the arrow are stably connected, the deformed ground flange is prevented from being replaced, the cost is saved, and the working efficiency is improved.

The connector of this application, reasonable in design on the whole, stable in structure, easy to assemble and dismantlement can improve air conditioner and arrow and go up being connected and separation efficiency of structure.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of the specification of the invention, illustrate exemplary embodiments of the invention and together with the description, serve to explain the principles of the invention.

Fig. 1 is a schematic view of the connector of the present invention;

fig. 2 is a perspective view of the connector of the present invention;

FIG. 3 is a schematic structural diagram of the ground flange, the arrow upper flange and the sealing ring of the present invention;

fig. 4 is a partial enlarged view of the present invention a;

fig. 5 is a perspective view of the annular limiting table of the present invention;

fig. 6 is a top view of the double row L-shaped long plate and the first fixing block of the present invention;

fig. 7 is a left side view of the double row L-shaped long plate and the first fixing block of the present invention;

fig. 8 is a bottom view of the flange of the present invention;

fig. 9 is a perspective view of a second fixing block of the present invention;

fig. 10 is a schematic cross-sectional view of a second fixing block of the present invention;

fig. 11 is a schematic structural view of the fixing device of the present invention;

fig. 12 is a perspective view of the first fixing block of the present invention;

fig. 13 is a perspective view of the double-row L-shaped long plate of the present invention.

Description of the reference numerals:

1 ground flange 2 fixed plate

3 first fixed block 4 second fixed block

5 first threaded hole of retaining member 6

7 first fixing bolt 8 first opening channel

9 second opening channel 10 second screw hole

11 second fixing bolt 12 double-row L-shaped long plate

13 annular limiting table and 14 annular groove

15 cylinder 16 ring-shaped extension plate

17 bulge 18 sealing ring

Detailed Description

Reference will now be made in detail to various exemplary embodiments of the invention, which should not be considered limiting of the invention, but rather should be understood to be a more detailed description of certain aspects, features and embodiments of the invention.

It will be apparent to those skilled in the art that various modifications and variations can be made in the embodiments of the present disclosure without departing from the scope or spirit of the disclosure. Other embodiments will be apparent to those skilled in the art from consideration of the specification. The specification and examples are exemplary only.

One aspect of the present invention provides a ground flange for rocket air-conditioning connection. As shown in fig. 1, 2, 5, 6, 7, 8, 9, 10 and 11, the ground flange for rocket air conditioner connection of the present invention is composed of a ground flange 1 and a fixing plate 2.

The ground flange 1 contains a first channel inside and a fixing device arranged on the circumferential outer side of the ground flange 1. One end of the ground flange 1 is connected with a fixing plate 2 used for fixing the ground flange 1, the other end of the ground flange 1 is provided with an inverted T-shaped groove formed by inward opening from the end part of the ground flange and used for being connected with an arrow flange, and the fixing plate 2 is provided with a pore channel so that the first channel is communicated with a ground air supply pipeline.

The fixing device at least comprises a first fixing block 3, a second fixing block 4 and a locking piece 5. Wherein, first fixed block 3 and second fixed block 4 are located the both sides of the groove bottom width direction of the T type groove of falling of ground flange respectively. Screw in second fixed block 4 behind the first fixed block 3 is run through to the one end of retaining member 5, and the terminal surface of the other end of retaining member and the terminal surface of first fixed block 3 keeping away from 4 one sides of second fixed block are hugged closely to make first fixed block 3 and 4 zonulae occludens of second fixed block be in the same place.

It should be mentioned that, in order to ensure the first fixing block 3 and the second fixing block 4 to be stable in structure and avoid the deformation of the hairstyle, for example, the first fixing block 3 and the second fixing block 4 are square in shape. In addition, for convenience of connecting the first fixing block 3 and the second fixing block 4 with the ground flange 1, for example, the first fixing block 3 and the second fixing block 4 are curved surfaces matched with the circumferential radian of the ground flange on the side close to the ground flange 1. Namely, in order to make the curved surface closely fit with the ground flange 1, for example, the curved surface is matched with the outer surface of the ground flange 1. In addition, in order to enable the first fixing block 3 and the second fixing block 4 to be connected with the ground flange 1 more tightly and firmly, for example, the first fixing block 3 and the second fixing block 4 are welded with the ground flange 1.

It should be pointed out, be connected with first fixed block 3 and second fixed block 4 for the convenience retaining member 5, for example, first fixed block 3 and second fixed block 4 all are equipped with first screw hole 6, and retaining member 5 contains first fixing bolt 7 and first lock nut. Wherein, first fixing bolt 7 surface is equipped with the external screw thread that matches with first screw hole 6, first lock nut cover is established at first fixing bolt 7's surface, a part cooperation that is used for wearing out second fixed block 4 with first fixing bolt 7, so that first fixed block 3, second fixed block 4 is fixed to be locked on first fixing bolt 7, prevent simultaneously that first fixing bolt 7 from taking place to become flexible, guarantee first fixing bolt 7 and first fixed block 3, firm in connection between the second fixed block 4, be favorable to carrying on spacingly to the arch of sending blue on the arrow, and then guarantee flange zonulae occludens on ground flange and the arrow.

In the present embodiment, the inverted T-shaped groove includes a first opening channel 8 having the same axial direction as the first channel and a second opening channel 9 communicating with the first opening channel 8 and orthogonal to each other, that is, the groove bottom of the inverted T-shaped groove forms the second opening channel 9. For convenience of fixing the projection 17 of the rocket flange in the second opening channel 9 (in the accommodating space at one end of the second opening channel 9), for example, a central connecting line of the first fixing block 3 and the second fixing block 4 is parallel to the axis of the first opening channel 8, and the first fixing block 3 and the second fixing block 4 are respectively arranged at two sides of the second opening channel 9 (at the upper and lower sides of the second opening channel 9).

As shown in fig. 1, 2, 3 and 4, in order to prevent the first fixing bolt 7 from loosening (in a locked state), for example, the second fixing block 4 is further provided with a second threaded hole 10 and a second fixing bolt 11 engaged with the second threaded hole 10. The second threaded hole 10 and the first threaded hole 6 are communicated with each other and are vertically arranged. After the first fixing bolt 7 is matched with the first locking nut to lock the first fixing block 3 and the second fixing block 4, one end of the second fixing bolt 11 is screwed into the second threaded hole 10 and then is attached to the surface of the first fixing bolt 7, pressure along the axial direction of the second threaded hole 10 is applied to the first fixing bolt 7, axial and radial displacement of the first fixing bolt 7 is limited, and the locking effect of the locking structure is improved.

As shown in fig. 1, 6, 7, 12 and 13, for the movement of the first and second fixing blocks 3 and 4, for example, the fixing device further includes a double row L-shaped long plate 12 provided along the circumference of the floor flange 1. One end of the double-row L-shaped long plate 12 is welded with the surface of the ground flange 1, and the other end of the double-row L-shaped long plate extends to one side of the center of the double-row L-shaped long plate 12 to form a groove along the circumferential direction of the ground flange 1, wherein the cross section of the groove is convex. And T-shaped structures matched with the grooves are arranged on one sides, close to the ground flange 1, of the first fixing block 3 and the second fixing block 4. When the fixing device is applied, the T-shaped structures on the first fixing block 3 and the second fixing block 4 enter the grooves from one end of the convex grooves, and can slide relative to the inner walls of the double-row L-shaped long plates 12, so that the first fixing block 3 and the second fixing block 4 can slide on the surface of the ground flange 1 in the circumferential direction. Through the cooperation of the first fixed block 3, the second fixed block 4 and the double-row L-shaped long plate 12, the positions of the first fixed block 3 and the second fixed block 4 in the double-row L-shaped long plate (moving along the circumferential direction of the ground flange) can be adjusted in time according to the shape of the protrusion 17, so that the protrusion 17 can be accurately limited.

In addition, in order to make the ground flange 1 and the rocket flange tightly connected, for example, an annular limiting table 13 for limiting the movement of the sealing ring 18 to one side of the fixing plate 2 is further arranged inside one end of the ground flange 1 away from the fixing plate 2, an annular groove 14 is further arranged on the annular limiting table 13, and the annular groove 14 is recessed to one side of the fixing plate 2.

The sealing ring 18 is abutted between the end surface of the part (close to one end of the annular limiting table) screwed into the ground flange 1 by the arrow flange and the table surface of the annular limiting table 13. On one hand, the sealing ring 18 can play a sealing role, so that gas is prevented from leaking from a gap position at the joint of the rocket upper flange 1 and the ground flange; on the other hand, the sealing ring 18 can play a buffering role, so that the damage caused by the fact that the rocket-mounted flange is screwed into the ground flange 1 and is in direct contact with the annular limiting table 13 is avoided, and the structural stability of the rocket-mounted flange 1 and the ground flange is further ensured. The ground flange of this application, through be equipped with annular groove 14 on the spacing platform 13 of annular, can make partial sealing washer 18 get into annular groove 14 by the extrusion in-process at sealing washer 18, play the limited action to annular groove 14, avoid radial bit removal to appear in sealing washer 18, can also increase the area of contact between sealing washer and the spacing platform of annular simultaneously (the annular groove structure can design and increase the contact surface area), make sealed more rigorous, and then avoid gaseous emergence to leak.

Another aspect of the utility model provides a flange on arrow, flange contain communicating barrel 15 in both ends, annular epitaxial plate 16 and arch 17 on the arrow. The annular extension plate 16 is connected to the cylinder 15 at one axial end of the cylinder 15, and the protrusion 17 is circumferentially provided on the outer wall of the cylinder 15. In order to make the protrusion 17 and the annular extension plate 16 tightly connected with the cylinder 15, the fixing is firmer, for example, the protrusion 17 and the annular extension plate 16 are welded with the cylinder 15. The annular epitaxial plate 16 is used for being connected with a rocket body, and the protrusions 17 are used for being matched with inverted T-shaped grooves on the ground flange so that the ground flange 1 can be detachably connected with the rocket flange.

In addition, in order to improve the sealing between the rocket flange and the ground flange 1, for example, the end of the cylinder 15 away from the annular extension plate 16 is in a frustum shape. When the frustum shape extrudes the sealing ring, the surface of the sealing ring 18 deforms due to uneven stress, so that the contact area between the sealing ring 18 and the inner wall of the ground flange 1 (the inner wall of the ground flange in the direction along the first channel) is increased, and the sealing between the rocket flange and the ground flange is further improved.

In addition, in practical applications, in order to facilitate the connection between the annular extension plate 16 and the rocket body, for example, the annular extension plate 16 has an outer shape of a circular plate with through holes, and the circular plate is provided with uniform connecting through holes (fixed to the rocket body after penetrating through the connecting through holes by bolts).

The utility model also provides a connector contains flange on ground flange 1, sealing washer 18 and the arrow.

The ground flange 1 contains a first channel inside and a fixing device arranged on the circumferential outer side of the ground flange 1. One end of the ground flange 1 is connected with a fixing plate 2 for fixing the ground flange 1, and the other end of the ground flange 1 is provided with an inverted T-shaped groove with an opening for connecting with a flange on an arrow. The fixing plate 2 is provided with a hole channel so as to communicate the first channel with a ground air supply pipeline.

Fixing device contains first fixed block 3, second fixed block 4 and retaining member 5 at least. Wherein, first fixed block 3 and second fixed block 4 are located the ground flange fall T type tank bottom width direction's both sides, the retaining member is used for locking first fixed block 3 and second fixed block 4.

Screw in second fixed block 4 behind the first fixed block 3 is run through to the one end of retaining member 5, and the terminal surface of the other end of retaining member is hugged closely with the terminal surface that second fixed block 4 one side was kept away from to first fixed block 3 to make first fixed block 3 and second fixed block 4 zonulae occludens together.

The arrow upper flange comprises a cylinder body 15, an annular extension plate 16 and a bulge 17, wherein the two ends of the cylinder body are communicated. The annular extension plate 16 is connected to the cylinder 15 at one axial end of the cylinder 15, and the protrusion 17 is circumferentially provided on the outer wall of the cylinder 15. In order to make the protrusion 17 and the annular extension plate 16 tightly connected with the cylinder 15, the fixing is more firm, for example, the protrusion 17 and the annular extension plate 16 are welded with the cylinder 15. The annular epitaxial plate 16 is used for being connected with a rocket body, and the protrusions 17 are used for being matched with inverted T-shaped grooves on the ground flange, so that the ground flange 1 is detachably connected with the rocket flange.

The sealing ring is arranged between the ground flange 1 and the arrow upper flange and used for sealing the ground flange 1 and the arrow upper flange.

During installation, the ground flange 1 is close to the arrow-mounted flange from the end far away from the epitaxial plate, the protrusion 17 enters the groove bottom of the inverted T-shaped groove (the side of the opening of the first opening channel enters) along the opening of the inverted T-shaped groove, and the protrusion 17 is screwed into the groove bottom of the inverted T-shaped groove (the bottom of the second opening channel) by rotating the ground flange 1 along the circumferential direction of the first channel. Screw in second fixed block 4 behind the first fixed block 3 is run through to the one end of retaining member 5, makes first fixed block 3, second fixed block 4 and retaining member 5 zonulae occludens be in the same place to inject protruding 17 in the tank bottom in the groove of falling T type groove (the bottom of second trompil passageway) one side, accomplish dismantling of ground flange 1 and arrow upper flange and be connected.

In addition, in order to ensure that the ground flange 1 and the arrow upper flange are fixed firmly, for example, the protrusions 17 and the inverted T-shaped grooves can be in one-to-one correspondence, and the inverted T-shaped grooves are uniformly arranged in the circumferential direction, so that the arrow upper flange 1 and the ground flange are uniformly stressed when connected, and the sealing effect between the ground flange and the arrow upper flange is improved.

When flange joint (installation) on ground flange and the arrow, through protruding 17 and the cooperation in falling T type groove, be about to protruding (clockwise) screw in the tank bottom in falling T type groove behind first trompil passageway entering second trompil passageway for both firm in connection, stability prevent that flange 1 on ground and the arrow from to keeping away from each other one side separation. During disassembly, the protrusion 17 is screwed out of the second hole opening channel 9 (anticlockwise), and after the protrusion 17 of the arrow upper flange is moved out from the opening side, the arrow upper flange drives the protrusion 17 to move towards the direction far away from the ground flange, so that the ground flange 1 is separated from the arrow upper flange.

In addition, the connector of this application embodiment, through first fixed block 3, second fixed block 4 and retaining member 5 zonulae occludens together to inject protruding 17 in the type of falling T, avoid protruding follow type of falling T inslot to break away from, improve the stability of structure.

The embodiment of this application, through the design in the T type groove of falling, can provide the redundant design when the position of falling T type groove and protruding 17 contact takes place deformation because of long-time atress, and then flange joint is unstable on avoiding ground flange 1 and the arrow. For example, after deformation occurs to one end of the inverted T-shaped groove, the protrusion 17 can be screwed into the other end of the inverted T-shaped groove, so that the ground flange 1 and the arrow are stably connected, the deformed ground flange is prevented from being replaced, cost is saved, and working efficiency is improved.

The connector has the advantages of being reasonable in design, stable in structure, convenient to install and disassemble, capable of improving connection and disassembly efficiency and the like.

The above embodiments may be combined with each other with corresponding technical effects.

The foregoing is only an illustrative embodiment of the present invention, and any equivalent changes and modifications made by those skilled in the art without departing from the spirit and principles of the present invention should fall within the protection scope of the present invention.

Claims (10)

1. A ground flange for rocket air conditioner connection, which is characterized by comprising a ground flange and a fixing plate, wherein,

the ground flange is internally provided with a first channel and a fixing device arranged on the circumferential outer side of the ground flange, one end of the ground flange is connected with the fixing plate for fixing the ground flange, the other end of the ground flange is provided with an inverted T-shaped groove formed downwards from a port and used for being connected with the rocket flange, and the fixing plate is provided with a pore channel so as to enable the first channel to be communicated with a ground air supply pipeline;

fixing device contains first fixed block, second fixed block and retaining member at least, wherein, first fixed block with the second fixed block is located ground flange fall T type groove tank bottom width direction's both sides, the retaining member is used for locking first fixed block with the second fixed block.

2. The ground flange for rocket air conditioner connection according to claim 1, wherein the surface of one side of said first fixing block and said second fixing block close to said ground flange is an arc surface, wherein said arc surface is matched with the outer surface of said ground flange; the first fixing block and the second fixing block are connected with the ground flange in a welding mode.

3. A ground flange for rocket air conditioner attachment as claimed in claim 1, wherein said first fixing block and said second fixing block are each provided with a first threaded hole, and said locking member comprises a first fixing bolt and a first locking nut; wherein, first fixing bolt surface be equipped with the external screw thread that first screw hole matches, first fixing bolt's one end is used for running through the spiro union screw in behind the first fixed block the second fixed block, and the other end is followed the second fixed block is worn out, first lock nut cover is established first fixing bolt is worn out the part of second fixed block is used for following the outside of second fixed block with first fixing bolt cooperation, so that first fixed block the second fixed block is fixed on the first fixing bolt.

4. A ground flange for rocket air conditioning connections as recited in claim 3, wherein said inverted T-shaped groove includes a first perforated channel in the same axial direction as said first channel and second perforated channels in communication with said first perforated channel and orthogonal to each other, the bottom of said inverted T-shaped groove forming said second perforated channel.

5. The ground flange for rocket air conditioner connection as recited in claim 4, wherein a center connecting line of said first fixing block and said second fixing block is parallel to an axis of said first perforated channel, and said first fixing block and said second fixing block are respectively disposed at both sides of said second perforated channel.

6. A ground flange for rocket air conditioner connection according to claim 5, wherein said second fixing block is further provided with a second threaded hole and a second fixing bolt matched with said second threaded hole, wherein said second threaded hole is mutually communicated with said first threaded hole and vertically arranged; after the first fixing bolt is matched with the first locking nut to lock the first fixing block and the second fixing block, one end of the second fixing bolt is screwed into the second threaded hole and then is attached to the surface of the first fixing bolt, so that axial and radial displacement of the first fixing bolt is limited.

7. A ground flange for rocket air conditioner connection as recited in claim 1, wherein said fixture further comprises two rows of L-shaped elongated plates circumferentially disposed along said ground flange, one end of said two rows of L-shaped elongated plates being welded to the surface of said ground flange, the other end of said two rows of L-shaped elongated plates extending toward one side of the center of said two rows of L-shaped elongated plates to form a slot circumferentially along said ground flange, said slot having a cross-section in the shape of a Chinese character 'tu'; and T-shaped structures matched with the grooves are respectively arranged on one sides, close to the ground flange, of the first fixing block and the second fixing block, so that the first fixing block and the second fixing block can circumferentially slide on the surface of the ground flange.

8. A ground flange for rocket air conditioner connection according to claim 7, wherein an annular limiting table for limiting the movement of the sealing ring to one side of the fixing plate is further provided inside one end of the ground flange away from the fixing plate, and an annular groove is further provided on the annular limiting table and is recessed to one side of the fixing plate.

9. The flange on the arrow is characterized by comprising a barrel, an annular epitaxial plate and a bulge, wherein the two ends of the barrel are communicated, the annular epitaxial plate is connected with the barrel at one axial end of the barrel, the bulge is arranged on the outer wall of the barrel along the circumferential direction, and the bulge and the annular epitaxial plate are welded with the barrel; the end, far away from the annular epitaxial plate, of the barrel is in a frustum shape, the annular epitaxial plate is used for being connected with a rocket body, and the protrusion is used for being matched with an inverted T-shaped groove in the ground flange, so that the ground flange is detachably connected with the rocket upper flange.

10. A connector is characterized by comprising a ground flange, a sealing ring and an arrow upper flange,

the ground flange is internally provided with a first channel and a fixing device arranged on the circumferential outer side of the ground flange, one end of the ground flange is connected with a fixing plate for fixing the ground flange, the other end of the ground flange is provided with an inverted T-shaped groove formed downwards from a port and used for being connected with an arrow flange, and the fixing plate is provided with a pore channel so as to enable the first channel to be communicated with a ground air supply pipeline;

the fixing device at least comprises a first fixing block, a second fixing block and a locking piece, wherein the first fixing block and the second fixing block are positioned on two sides of the ground flange in the width direction of the bottom of the inverted T-shaped groove, and the locking piece is used for locking the first fixing block and the second fixing block;

the rocket upper flange comprises a cylinder body, an annular epitaxial plate and a bulge, wherein the two ends of the cylinder body are communicated, the annular epitaxial plate is connected with the cylinder body at one axial end of the cylinder body, and the bulge is arranged on the outer wall of the cylinder body along the circumferential direction; the annular epitaxial plate is used for being connected with a rocket body, and the protrusions are used for being matched with the inverted T-shaped grooves so that the ground flange is detachably connected with the rocket upper flange;

the sealing ring is arranged between the ground flange and the arrow upper flange and used for sealing the ground flange and the arrow upper flange;

during the installation, the ground flange is from keeping away from epitaxial plate one end is close to flange on the arrow, and make protruding edge the opening side in the T type groove gets into the T type groove of falling, through following the circumference of first passageway is rotatory the ground flange makes protruding screw in the tank bottom in the T type groove of falling, the one end of retaining member is run through screw in behind the first fixed block the second fixed block makes first fixed block the second fixed block with retaining member zonulae occludens together in order to incite somebody to action the arch is injectd in the T type inslot, accomplishes the ground flange with flange on the arrow can dismantle the connection.

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